Yasuo Izumi

J-GLOBAL         Last updated: Oct 8, 2019 at 15:41
 
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Name
Yasuo Izumi
Nickname
Iやす
Affiliation
Chiba University
Job title
Associate Professor
Degree
Master of Science, Doctor of Science(The University of Tokyo)
Research funding number
50251666
ORCID ID
0000-0001-8366-1864

Research Interests

 
 

Research Areas

 
 

Academic & Professional Experience

 
Apr 2018
 - 
Today
Professor, Graduate School of Science, Chiba University
 
Jun 2007
 - 
Mar 2018
Associate Professor, Graduate School of Science, Chiba University
 
Apr 1998
 - 
Jun 2007
Lecturer, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
 
Apr 2002
 - 
Mar 2006
Parttime Lecturer (Concurrent), Department of Science and Engineering, Keio University
 
Dec 1992
 - 
Mar 1998
Research Associate, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
 
Jun 1996
 - 
May 1997
Visiting Scholar, Department of Chemistry, Stanford University
 
Apr 1989
 - 
Mar 1990
Employee, Suzuka, Asahi Chemical
 

Education

 
 
   
 
Graduate School, Division of Science, The University of Tokyo
 
 
   
 
Faculty of Science, The University of Tokyo
 

Awards & Honors

 
Dec 2016
http://www.mext.go.jp/a_menu/shinkou/hojyo/1372469.htm, MEXT website
 
Oct 2015
Journal of Catalysis, 332巻(2015年12月)featured article
 
Sep 2015
アクセスフリー(Sponsored Access)代表論文 http://pubs.acs.org/isbn/9780841230880
 
Oct 2009
千葉大学オープンリサーチ2009、学長賞
Winner: Kazuki Oka, Yasuo Izumi
 
Sep 2009
日本化学会第3回関東支部大会、学生講演賞
Winner: Yu Mitani, Yasuo Izumi
 
Jul 2008
4th International Conference on Environmental Science and Technology 2008、Conference Paper Award
Winner: Dilshad Masih, Yasuo Izumi
 
Sep 2001
若い世代の特別講演賞
 
Mar 2001
平成12年度手島記念研究賞(藤野記念賞)
 
Jul 2000
12th International Congress on Catalysis、Young Scientist Prize
 

Published Papers

 
Hong Pang, Xianguang Meng, Hui Song, Wei Zhou, Gaoliang Yang, Hongwei Zhang, Yasuo Izumi, Toshiaki Takei, Wipakorn Jewasuwan, Naoki Fukata, Jinhua Ye
Applied Catalysis B: Environmental   244 1013-1020   May 2019   [Refereed]
A newly aqueous colloidal comprised of monodispersed Ni-doped ZnS nanocrystals is reported as excellent visible-light-responsive photocatalysts for CO2 reduction into formate.
Hongwei Zhang, Takaomi Itoi, Takehisa Konishi, and Yasuo Izumi
Journal of the American Chemical Society   141(15) 6292-6301   Mar 2019   [Refereed]
Be careful of false “solar fuel” converted from adventitious carbon! Time course of isotope-labeled 13CO2 photoconversion into a 13C-product was successfully monitored using a Ag–Zr oxide photocatalyst.
Kazuki Urushidate, Shigemitsu Matsuzawa, Keisuke Nakatani, Jifu Li, Takashi Kojima, Yasuo Izumi
ACS Sustainable Chemistry & Engineering   6(9) 11892-11903   Jul 2018   [Refereed]
Photocatalyst layers with thicknesses of 0.8−2.1 μm were applied to both electrodes. The primary particle size of TiO2 for the photoanode in solar cell was optimized (15−21 nm), and its performance was further improved by doping with organic dyes,...
Lukas Anton Wein, Hongwei Zhang, Kazuki Urushidate, Masaya Miyano, Yasuo Izumi
Applied Surface Science   447 687-696   Jul 2018   [Refereed]
Layered double hydroxides, typically comprising Zn, Cu, and Ga, photoreduce CO2 into methanol and CO. The amount of interlayer water molecules is reduced to 31% of that for as-synthesized LDHs by preheating the LDHs at 423 K in vacuum, and the per...
Hongwei Zhang, Yasuo Izumi
Frontiers in Chemistry   6 Article 408   Jan 2018   [Refereed]
Photocatalytic conversion of CO2 into mainly methane using Pd/TiO2 photocatalyst proceeded faster at 0.80 MPa using water rather than hydrogen as a reductant. The reason of the higher activity using water rather than H2 could be explained owing to...
Masaya Miyano, Hongwei Zhang, Mao Yoshiba, Yasuo Izumi
Energy Technology   5(6) 770-770   Jun 2017   [Refereed]
Various layered double hydroxides with the formula [MII3GaIII(OH)8]+2A2−·mH2O {MII = Zn, Cu; A2− = CO32−, [Cu(OH)4]2−} were synthesized and applied to CO2 photoconversion using H2 at the reaction pressure of 0.40 MPa. Exclusive photoconversion int...
Masaya Miyano, Hongwei Zhang, Mao Yoshiba, Yasuo Izumi
Energy Technology   5(6) 892-900   Jun 2017   [Refereed]
Various layered double hydroxides with the formula [MII3GaIII(OH)8]+2A2−·mH2O {MII = Zn, Cu; A2− = CO32−, [Cu(OH)4]2−} were synthesized and applied to CO2 photoconversion using H2 at the reaction pressure of 0.40 MPa. Exclusive photoconversion int...
Mao Yoshiba, Yuta Ogura, Masayuki Tamba, Takashi Kojima, Yasuo Izumi
RSC Advances   7(32) 19996-20006   Apr 2017   [Refereed]
In solar cell utilizing photocatalysts on both electrodes, the diffusion overpotential of electrons in photocatalysts (0.23–0.41 V) and the leakage current (0.38 V) were evaluated. A cell output of 55.8 μW per 1.3 cm2 was realized.
Shogo Kawamura, Hongwei Zhang, Masayuki Tamba, Takashi Kojima, Masaya Miyano, Yusuke Yoshida, Mao Yoshiba, Yasuo Izumi
Journal of Catalysis   345 39-52   Jan 2017   [Refereed]
Photocatalytic conversion of CO2 into fuels could mitigate global warming and energy shortage simultaneously. In this study, the reaction pressure was optimized for CO2 reduction by H2. The major products were methane, CO, and methanol, and the ob...
Hongwei Zhang, Shogo Kawamura, Masayuki Tamba, Takashi Kojima, Mao Yoshiba, Yasuo Izumi
Journal of Catalysis   352 452-465   Jan 2017   [Refereed]
The reaction pressure in the photocatalytic conversion of CO2 into fuels is optimized between 0 and 0.80 MPa under CO2 and moisture. The sum of independent total formation rates of C-containing compounds under UV and visible light does not account...
Gaku Mikami, Florentina Grosu, Shogo Kawamura, Yusuke Yoshida, Gabriela Carja, Yasuo Izumi
Applied Catalysis B: Environmental   199 260-271   Dec 2016   [Refereed]
A series of Au nanoparticles with Zn2Al-layered double hydroxide was fabricated via self-assembly routes and the tuned oxidation state, Au0, Au3+ as well as mixed Au0/Au3+, was revealed to have a crucial effect on establishing their photocatalytic...
Yusuke Yoshida, Yasuo Izumi
Catalysis Surveys from Asia   20(3) 144-166   Sep 2016   [Refereed]
For preferential oxidation of CO, charge separation was utilized. The photocatalysts are advantageous because they do not activate H2 in comparison to noble metal catalysts. Binary metal–organic framework interlinked by organic ligands and Cu oxyh...
Yoshida Y, Izumi Y.
Journal of Catalysis   332 1-12   Dec 2015   [Refereed]
A new class of compound comprising tetragonal [Ti8O8(OH)4]12+ clusters interlinked by terephthalates (bdc) and [Cu2(OH)6]2− linkers functions very well as a catalytic model of interface Cu sites on ultra-dispersed Ti [hydro]oxide for CO PROX.
Yusuke Yoshida, Takaomi Itoi, Yasuo Izumi
Journal of Physical Chemistry C   119(46) 26242-26242   Nov 2015   [Refereed]
This study optimized photocatalytic hydrogen purification using the preferential oxidation (PROX) of CO impurities among nanoscale disk-like, spheroidal, and rod-like ZnO promoted by adsorbed Cu ions. Four key factors were examined.
Yasuo Izumi
Advances in CO2 Capture, Sequestration, and Conversion”, Fangming Jin, Liang-Nian He, and Yun Hang Hu, Eds., ACS Books Volume 1194   1194 1-46   Sep 2015   [Refereed][Invited]
総ページ数381. This is the subsequent version of CO2 photoreduction review. The Part I is “Recent advances in the photocatalytic conversion of carbon dioxide to fuels with water and/or hydrogen using solar energy and beyond”, Coor. Chem. Rev., 257, 171...
Kawamura S, Puscasu M.C, Yoshida Y, Izumi Y, Carja G.
Applied Catalysis A: General   504 238-247   Sep 2015   [Refereed][Invited]
For Ag/[Zn3Ga(OH)8]2CO3·mH2O layered double hydroxide, CO2 photoreduction by H2 under visible light was promoted by the surface plasmon resonance effect of Ag nanoparticles while for Au//[Zn3Ga(OH)8]2CO3·mH2O catalysts Au nanoparticles might act a...
Yukiko Fujishima, Seiji Okamoto, Mao Yoshiba, Takaomi Itoi, Shogo Kawamura, Yusuke Yoshida, Yuta Ogura, Yasuo Izumi
Journal of Materials Chemistry A   3(16) 8389-8404   Apr 2015   [Refereed]
A photofuel cell comprising two photocatalysts TiO2 and BiOCl that uses acidic water as a fuel is investigated and enabled 1.76 V per cell. The cells were characterized using Bi L3-edge EXAFS, XPS, Raman, and UV-visible spectroscopy.
Yuta Ogura, Mao Yoshiba, Yasuo Izumi
Oil and Gas Science and Technology   70(5) 853-862   Jan 2015   [Refereed]
We reported a new PhotoFuel Cell (PFC) comprising two photocatalysts for use of acidic water as a recyclable medium. Nitrogen and oxygen flow was required in the photoanode and photocathode, respectively. In this study, we developed a gas-circulat...
Shogo Kawamura, Naveed Ahmed, Gabriela Carja, Yasuo Izumi
Oil and Gas Science and Technology   70(5) 841-852   Jan 2015   [Refereed]
Photocatalytic conversion of CO2into fuels is an attractive option in terms of both reducing the increased concentration of atmospheric CO2 as well as generating renewable hydrocarbon fuels. It is necessary to investigate good catalysts for CO2 co...
Yoshida Y, Itoi T, Izumi Y.
Journal of Physical Chemistry C   119(37) 21585-21598   2015   [Refereed]
This study optimized photocatalytic hydrogen purification using the preferential oxidation (PROX) of CO impurities among nanoscale disk-like, spheroidal, and rod-like ZnO promoted by adsorbed Cu ions. Four key factors were examined.
Kazuki Oka, Yuta Ogura, and Yasuo Izumi
Journal of Power Sources   258 83-88   Jul 2014   [Refereed]
Pt sites in polymer electrolyte fuel cells were reduced to Pt0 by alcohols contained in polymer electrolyte dispersion solution during the preparation of cathode of PEFC. Optimum catalyst on cathode comprising surface sulfonate/sulfate group on c...
Morikawa M, Ogura Y, Ahmed N, Kawamura S, Mikami G, Okamoto S, Izumi Y.
Catalysis Science and Technology   4(6) 1644-1651   Jun 2014   [Refereed][Invited]
The phenomena of the photocatalytic oxidation of water and photocatalytic reduction of CO2 were combined using reverse photofuel cells, in which the two photocatalysts, WO3 and layered double hydroxide (LDH), were separated by a polymer electrolyt...
Ogura Y, Okamoto S, Itoi T, Fujishima Y, Yoshida Y, Izumi Y.
Chemical Communications   50(23) 3067-3070   Mar 2014   [Refereed]
A photofuel cell comprising two photocatalysts of TiO2 and Ag-TiO2 is demonstrated. The open circuit voltage, short circuit current, and maximum electric power of the PFC were 1.59 V, 74 μA, and 14 μW, respectively.
Morikawa M, Ahmed N, Yoshida Y, Izumi Y.
Applied Catalysis B: Environmental   144 561-569   Jan 2014   [Refereed]
Photocatalytic reaction mechanism for the conversion of CO2 into methanol and CO using layered double hydroxides consisting of Zn, Cu, and Ga was investigated using XAFS and FTIR.
Gallo A, Psaro R, Guidotti M, Dal Santo V, Pergola R.D, Masih D, Izumi Y.
Dalton Transactions   42(35) 12714-12724   Sep 2013   [Refereed]
Ir-Sn bimetallic silica-based materials have been prepared via deposition of the molecular organometallic clusters (NEt4)2[Ir4(CO)10(SnCl3)2] and NEt4[Ir6(CO)15(SnCl3)] or via deposition of Sn organometallic precursor Sn(n-C4H9)4 onto pre-formed I...
Seiki Wada, Kazuki Oka, Kentaro Watanabe, Yasuo Izumi
Frontiers in Chemistry   1 Article 8   Jun 2013   [Refereed]
Synthesis of dimethyl carbonate (DMC) from CO2 and methanol under milder reaction conditions was performed using reduced cerium oxide catalysts and reduced copper-promoted Ce oxide catalysts. Although the conversion of methanol was low (0.005-0.11...
Izumi Y.
Coordination Chemistry Reviews   257 171-186   Jan 2013   [Refereed][Invited]
Photocatalytic reduction of carbon dioxide to fuels using solar energy is an attractive option for simultaneously capturing this major greenhouse gas and solving the shortage of sustainable energy. Efforts to demonstrate the photocatalytic reduct...
Ahmed N, Morikawa M, Izumi Y.
Catalysis Today   185(1) 263-269   Sep 2012   [Refereed]
The photocatalytic reduction of CO2 into methanol was enabled between the Zn–Ga or Zn–Cu–Ga hydroxide layers using hydrogen and was promoted by the partial desorption of structural water stuffed between the cationic layers. The photoreduction rat...
Morikawa M, Ahmed N, Ogura Y, Izumi Y.
Applied Catalysis B: Environmental   117-118 317-320   May 2012   [Refereed]
Polymer-electrolyte fuel cell supplying CO2 was demonstrated. Using a PEFC, methanol was selectively formed by supplying H2 to Pt catalyst and CO2 to Zn–Cu–Ga LDH accompanying protons and electrons transfer.
Characterization and Visible Light-Responsive Photocatalytic Performance of Sulfur-Doped Titanate Nanotubes
Shuge Peng, Yasuo Izumi, Xiaofei Liu, and Jun Zhang
Chinese Journal of Applied Chemistry   29(3) 285-290   Mar 2012   [Refereed]
Sulfur-doped titanate and Na TNTs were prepared and characterized. S atoms were in the lattice of TNTs as S(2-) anions. TNTs with very low amount of doped S were more active than undoped one for ethanol photo-oxidation.
Yoshida Y, Mitani Y, Itoi T, Izumi Y.
Journal of Catalysis   287 190-202   Mar 2012   [Refereed]
Preferential oxidation of CO and O2 in H2using spheroidal ZnO (22 nm × 47 nm) converted 52% of CO into CO2 and selectivity to CO2 was 92 mol% under UV–visible light. When Cu2+ was adsorbed on ZnO, 91% of CO was converted into CO2 with a selectivit...
Naveed Ahmed, Yoshiyuki Shibata, Tatsuo Taniguchi, and Yasuo Izumi
Journal of Catalysis   279(1) 123-135   Apr 2011   [Refereed]
Ordered layered double hydroxides consisting of Zn and/or Cu hydroxides combined with Al or Ga converted CO2 (2.3 kPa) to methanol or CO under UV-visible light by using hydrogen. Specific interaction of Cu sites with CO2 was suggested to enable co...
Oka K, Shibata Y, Itoi T, Izumi Y.
Journal of Physical Chemistry C   114(2) 1260-1267   Jan 2010   [Refereed]
Stable Pt nanoparticles with mean size of 1.2 nm were synthesized embedded on/in C matrix catalytically produced from acetylene over the Pt nanoparticles. The replica-Pt-C composite was synthesized inside the ordered mesopores (2.7 nm) of Al-MCM-4...
Mitani Y, Oka K, Shibata Y, Konishi K, Obaid D.M, Ishikawa E, Izumi Y, Yamase T.
Chemistry Letters   39(2) 132-133   Jan 2010   [Refereed]
UV-induced self-assembly of [Mo7O24]6– to 28-electron reduced {Mo142} at pH 3.4 was monitored by XAFS.
Masih D, Seida Y, Izumi Y.
Water, Air, and Soil Pollution: Focus   9(3-4) 203-211   Sep 2009   [Refereed]
Mesostructured iron oxyhydroxide and iron oxyhydroxide-phosphate composites were organized using dodecylsulfate, surfactant as a template and characterized by XRD, FTIR, and XAFS. Mesoporous iron materials were highly effective for arsenic removal.
Izumi Y, Itoi T, Peng S, Oka K, Shibata Y.
Journal of Physical Chemistry C   113(29) 12926-12926   Jun 2009   [Refereed]
The sulfur K-edge peak energy values in our paper, Journal of Physical Chemistry C 113(16) 6706-6718, were not calibrated. The values were by 0.81 eV greater than the ones given.
Izumi Y, Itoi T, Peng S, Oka K, Shibata Y.
Journal of Physical Chemistry C   113(16) 6706-6718   Apr 2009   [Refereed]
S and/or N was doped to TiO2 of narrow pore size distribution at 3 nm using thiourea or urea. They were compared to the uniform mesoporous TiO2 modified via chemical vapor deposition of HS and the titanate/TiO2 nanotube synthesized hydro-thermally...
Yasuo Izumi
Environmental Research Journal   3(2-3) 205-217   2009   [Refereed]
New sorbents were investigated for the effective removal of low concentrations of arsenic and lead to adjust to modern worldwide environmental regulation of drinking water (10 ppb). Mesoporous Fe oxyhydroxide synthesized using dodecylsulfate was m...
Izumi Y, Shibata Y.
Chemistry Letters   38(9) 912-913   2009   [Refereed]
The electronic state and site structure of doped S under visible light were investigated using S K-edge XANES. S sites substituting on the O atoms of TiO2 were predominant and essential in photocatalysis.
Yasuo Izumi, Diaa Mosbah Obaid, Kazushi Konishi, Dilshad Masih, Masafumi Takagaki, Yasuko Terada, Hajime Tanida, Tomoya Uruga
Inorganica Chimica Acta   361(4) 1149-1156   Mar 2008   [Refereed]
The heterogeneity of gold sites in various Au/TiO2 catalysts was studied by means of state-sensitive Au L3-edge X-ray absorption fine structure (XAFS) combined with high energy-resolution The heterogeneity of gold sites in various Au/TiO2 catalyst...
Yasuo Izumi, Kazushi Konishi, Tomohisa Miyajima, Hideaki Yoshitake
Materials Letters   62(6-7) 861-864   Mar 2008   [Refereed]
Visible light-excited ethanol dehydration reaction steps to adsorb ethanol and then to donate an electron to transform V(IV) to V(III) site exposed on mesoporous V(IV)-TiO2 catalyst were successfully monitored by means of V Kβ5,2-selecting XANES s...
Izumi Y, Konishi K, Yoshitake H.
Bulletin of the Chemical Society of Japan   81(10) 1241-1249   2008   [Refereed]
Oxidative dehydrogenation of ethanol proceeds over mesoporous V-doped TiO2 under visible light in clear contrast to ethanol dehydrogenation over crystalline TiO2 doped/undoped with V and inactive mesoporous TiO2. The ethanol conversion to acetalde...
Yasuo Izumi, Kazushi Konishi, Diaa Mosbah Obaid, Tomohisa Miyajima, Hideaki Yoshitake
Analytical Chemistry   79(18) 6933-6940   Sep 2007   [Refereed]
The photocatalytic role of vanadium doped in mesoporous TiO2 has not been clarified. Valence state-sensitive V Kβ5,2-selecting (5462.9 eV) X-ray absorption fine structure (XAFS) was used to monitor the V sites in mesoporous TiO2 for ethanol dehydr...
Yasuo Izumi, Kazushi Konishi, Masayasu Tsukahara, Diaa Mosbah Obaid, Ken Ichi Aika
Journal of Physical Chemistry C   111(27) 10073-10081   Jul 2007   [Refereed]
Rhodium catalysts were synthesized in ordered mesoporous silica FSM-16 using Rh/Al heteropolyacid anions and/or [Rh(COD)2]+ complex. The hydroformylation activity of propene was compared to impregnated Rh/ FSM-16 catalysts prepared from rhodium ch...
Dilshad Masih, Hideaki Yoshitake, Yasuo Izumi
Applied Catalysis A: General   325(2) 276-282   Jun 2007   [Refereed]
Ethanol photo-oxidation was investigated over mesoporous, amorphous V + TiO2 and V + TiO2(anatase) catalysts. Under the UV + visible light, mesoporous V + TiO2 generally exhibited faster photo-oxidation rates than V + TiO2(anatase) catalysts did. ...
D. Masih, Y. Izumi, K. Aika, Y. Seida
Engineering in Life Sciences   7(1) 52-60   Feb 2007   [Refereed]
A series of iron intercalated montmorillonites (Fe-Monts) were prepared using (i) ion exchange of native sodium and calcium ions with iron ions, (ii) base hydrolysis of inserted iron ions in montmorillonite suspension, and (iii) insertion of pre-h...
Izumi Y, Masih D, Roisin E, Candy J.-P, Tanida H, Uruga T.
Materials Letters   61(18) 3833-3836   2007   [Refereed]
Izumi Y, Masih D, Candy J, Yoshitake H, Terada Y, Tanida H, Uruga T.
AIP Conference Proceedings   882 588-590   2007   [Refereed]
Yasuo Izumi, Dilshad Masih, Ken-ichi Aika, Yoshimi Seida
Microporous and Mesoporous Materials   94(1-3) 243-253   Sep 2006   [Refereed]
The instability of inorganic framework has been the greatest barrier to synthesize micro and mesoporous FeIII/IImaterials. This paper uses dodecylsulfate to organize lamellar-structure FeOx(OH)y composite followed by smaller carboxylates exchange ...
Kosuke Nishio, Nobuyuki Gokon, Shingo Tsubouchi, Morihito Ikeda, Hiroki Narimatsu, Satoshi Sakamoto, Yasuo Izumi, Masanori Abe, Hiroshi Handa
Chemistry Letters   35(8) 974-975   Aug 2006   [Refereed]
Direct observation of sulfur sites for sulfur-containing compounds (cysteine and its oxidative derivatives) on ferrite nanoparticles (FP) was performed by X-ray adsorption near edge structure (XANES) measurements. XANES spectra of cysteine derivat...
Takahiro Morishita, Hidetaka Konno, Yasuo Izumi, Michio Inagaki
Solid State Ionics   177(15-16) 1347-1353   Jun 2006   [Refereed]
Crystalline powders of anhydrous MnV2O6 were successfully synthesized at a temperature below 200 °C under autogenous hydrothermal condition. MnV2O6 powders, which were synthesized using high concentration solutions, more than 0.1 mol/L, gave a rel...
Yuki Matsunaga, Kiyoshi Fujisawa, Naoko Ibi, Mitsuharu Fujita, Tetuya Ohashi, Nagina Amir, Yoshitaro Miyashita, Ken Ichi Aika, Yasuo Izumi, Ken Ichi Okamoto
Journal of Inorganic Biochemistry   100 239-249   Feb 2006   [Refereed]
The sulfur K-edge extended X-ray absorption fine structure (EXAFS) spectroscopy is applied to homoleptic thiolato complexes with Zn(II) and Cd(II), (Et4N)[Zn(SAd)3] (1), (Et4N)2[{Zn(ScHex)2}2(μ-ScHex)2] (2), (Et4N)2[{Cd(ScHex)2}2(μ-ScHex)2] (3), (...
Izumi Y, Nagamori H, Kiyotaki F, Masih D, Minato T, Roisin E, Candy J.-P, Tanida H, Uruga T.
Analytical Chemistry   78(6) 2075-2075   2006   [Refereed]
Yoshimi Seida, Yasuo Izumi
Adsorption Science and Technology   23(8) 607-618   Dec 2005   [Refereed]
Insoluble clay-cerium hydroxide conjugates exhibiting only limited swelling in water were synthesized for the removal of arsenic ions from aqueous solution. Thus, cerium hydroxide was immobilized electrostatically on the inner layer of highly disp...
Izumi Y, Nagamori H, Kiyotaki F, Masih D, Minato T, Roisin E, Candy J.-P, Tanida H, Uruga T.
Analytical Chemistry   77(21) 6969-6975   Sep 2005   [Refereed]
Yasuo Izumi, Fumitaka Kiyotaki, Nobuhiro Yagi, Aurel Mihai Vlaicu, Atsushi Nisawa, Sei Fukushima, Hideaki Yoshitake, Yasuhiro Iwasawa
Journal of Physical Chemistry B   109(31) 14884-14891   Aug 2005   [Refereed]
X-ray absorption fine structure combined with X-ray fluorescence spectrometry was applied to various V+TiO2 hybrid samples. Emitted V Kα1f luorescence from the sample was selectively counted by using a high-energy-resolution (0.4 eV) spectrometer ...
Mizuki Tada, Norimichi Kojima, Yasuo Izumi, Toshiaki Taniike, Yasuhiro Iwasawa
Journal of Physical Chemistry B   109(20) 9905-9916   May 2005   [Refereed]
The chiral self-dimerization and the role of surface silanols in the self-assembly were investigated by means of x-ray absorption near-edge structure (XANES), Fourier transform infrared (FT-IR) and electron spin resonance. It was observed that the...
Yasuo Izumi, Dilshad Masih, Ken-ichi Aika, Yoshimi Seida
Journal of Physical Chemistry B   109(8) 3227-3232   Mar 2005   [Refereed]
This paper first deals with the screening and optimization of Fe III-based adsorbents for arsenic adsorption from 0.2 to 16 ppm test solutions of arsenite/arsenate. The best adsorption capacity has been reported on α-FeO(OH) on an adsorbent weight...
Yasuo Izumi, Fumitaka Kiyotaki, Taketoshi Minato, Dilshad Masih, Yoshimi Seida
Physica Scripta   T115 933-935   2004   [Refereed]
X-ray absorption fine structure combined with fluorescence spectrometry was used for the speciation of trace amounts of lead and arsenic adsorbed. The Pb2+ species were effectively adsorbed on a layered material Mg 6Fe2(OH)16(CO3)•3H2O from 100 pp...
Minato T, Izumi Y, Aika K, Ishiguro A, Nakajima T, Wakatsuki Y
Journal of Physical Chemistry B   107(34) 9022-9028   2003   [Refereed]
X-Ray Absorption Fine Structure Utilizing a Fluorescence Spectrometer: Site Selective Structure Determination of Environmental Catalysts and Adsorbents
Yasuo Izumi, Fumitaka Kiyotaki, Hiroyasu Nagamori, and Taketoshi Minato
Studies in Surface Science and Catalysis, Vol. 145: Science and Technology in Catalysis 2002, M. Anpo, A. Onaka, H. Yamashita Eds., Kodansha, Tokyo & Elsevier, Amsterdam   177-180   2003   [Refereed]
Yasuo Izumi, Fumitaka Kiyotaki, Taketoshi Minato, Yoshimi Seida
Analytical Chemistry   74(15) 3819-3823   Aug 2002   [Refereed]
The local structure of trace amounts of lead in an adsorbent matrix that contains a high concentration of iron and magnesium (Mg6Fe2(OH)16(CO3)·3H2O) was successfully monitored by means of X-ray absorption fine structure spectroscopy combined with...
Atsushi Ishiguro, Takayuki Nakajima, Tadahisa Iwata, Masahiro Fujita, Taketoshi Minato, Fumitaka Kiyotaki, Yasuo Izumi, Ken ichi Aika, Masaya Uchida, Koji Kimoto, Yoshio Matsui, Yasuo Wakatsuki
Chemistry - A European Journal   8(14) 3260-3268   Jul 2002   [Refereed]
TiO2-supported rutheniummetal particles were derived from an anionic hexanuclear carbido carbonyl cluster [Ru6C(CO)16]2- and compared with those prepared conventionally by impregnation of TiO2 with a solution of RuCl3 followed by reduction with H2...
Yasuo Izumi, Fumitaka Kiyotaki, Yoshimi Seida
Journal of Physical Chemistry B   106(7) 1518-1520   Feb 2002   [Refereed]
A trace amount of lead on adsorbent Mg6Fe2(OH)16(CO3)·3H2O was selectively monitored by XAS combined with a fluorescence spectrometer. In the presence of dominant scattered and emitted X-rays derived from heavy elements (Fe and Mg), large quantiti...
Yasuo Izumi, Fumitaka Kiyotaki, Hideaki Yoshitake, Ken ichi Aika, Tae Sugihara, Takashi Tatsumi, Yasuhiro Tanizawa, Takafumi Shido, Yasuhiro Iwasawa
Chemical Communications   20(20) 2402-2403   Jan 2002   [Refereed]
The major local structure of low concentrations (1-3 wt% V) of vanadium on TiO2 was determined to have two terminal oxo groups and in total five oxygen coordination by means of vanadium K-edge XANES and ab initio calculations of XANES spectra.
Izumi Y, Kiyotaki F, Nagamori H, Minato T.
Studies in Surface Science and Catalysis   145 177-180   2002   [Refereed]
Izumi Y, Minato T, Aika K.-I, Ishiguro A, Nakajima T, Wakatsuki Y.
Studies in Surface Science and Catalysis, Vol. 143: Scientific Bases for the Preparation of Heterogeneous Catalysts, Gaigneaux, De Vos, Grange, Jacobs, Martens, Ruiz, Poncelet, Eds., Elsevier, Amsterdam   143 361-368   2002   [Refereed]
Izumi Y, Kiyotaki F, Yoshitake H, Aika K, Sugihara T, Tatsumi T, Tanizawa Y, Shido T, Iwasawa Y
Chemistry Letters   31(11) 1154-1155   2002   [Refereed]
Yasuo Izumi, Tetsuro Kizaki, Ken-ichi Aika
Bulletin of the Chemical Society of Japan   74(8) 1499-1505   Aug 2001   [Refereed]
Simultaneous removal of nitrogen monoxide and dinitrogen oxide with propene was investigated over Pd-H-ZSM-5 catalysts. Results were compared with reports of simultaneous removal of NO and N2O in the presence of O2 over Co-ZSM-5 and Fe-MFI. The N2...
Yasuo Izumi, Hiroyasu Nagamori, Fumitaka Kiyotaki, Taketoshi Minato
Journal of Synchrotron Radiations   8(2) 605-607   Mar 2001   [Refereed]
XAFS (X-ray absorption fine structure) spectra were measured by using the fluorescence spectrometer for the emitted X-ray from sample. The chemical shifts between Cu0 and CuI and between CrIII and CrVI were evaluated. Tuning the fluorescence spect...
Yasuo Izumi, Fumitaka Kiyotaki, Hiroyasu Nagamori, Taketoshi Minato
Journal of Electron Spectroscopy and Related Phenomena   119(2-3) 193-199   Jan 2001   [Refereed]
To overcome the problem of X-ray absorption fine structure (XAFS) spectroscopy in which the obtained information is the average for all sites in sample, Rowland-type fluorescence spectrometer was designed to measure site-selective XAFS spectra by ...
Yasuo Izumi
Studies in Surface Science and Catalysis, Vol. 130D: 12th International Congress on Catalysis, Corma, Melo, Mendioroz, Fierro, Eds., Elsevier, Amsterdam   130D 3201-3206   Jan 2000   [Refereed]
The structure of sol-gel Mo-SiO2 catalysts was investigated by Mo K-edge XAFS. The analysis demonstrated distorted Tdcoordination of two oxo groups (1.68A) and two oxygen atoms (1.93Å) around the Mo atom. The two oxo groups terminate the silica fr...
Yasuo Izumi, Hiroyasu Nagamori
Bulletin of the Chemical Society of Japan   73(7) 1581-1587   Jan 2000   [Refereed]
Site-selective XAFS spectra were measured by tuning the Rowland-type fluorescence spectrometer to each site of Cu/ZnO and Cr/SiO2 catalysts. The chemical shifts between Cu0 and Cu(I) sites and between Cr(III) and Cr(VI) sites were relatively large...
Yasuo Izumi, Hiroyuki Oyanagi, Hiroyasu Nagamori
Bulletin of the Chemical Society of Japan   73(9) 2017-2023   Jan 2000   [Refereed]
A Rowland-type fluorescence spectrometer was designed to measure site-selective XAFS spectra by utilizing the chemical shift of emission peak for each site. The positions of Johansson-type cylindrically-bent Ge(111) crystal and scintillation count...
Izumi Y, Shimizu T, Kobayashi T, Aika K
Chemical Communications   (12) 1053-1054   2000   [Refereed]
Hiroyuki Oyanagi, Masashi Ishii, Chul-Ho Lee, Naurang L. Saini, Yuji Kuwabara, Akira Saito, Yasuo Izumi, and Hideki Hashimoto
Journal of Synchrotron Radiations   7(2) 89-94   2000   [Refereed]
Yasuo Izumi, Yasuo Izumi, Thorsten Glaser, Kendra Rose, Jonathan McMaster, Partha Basu, John H. Enemark, Britt Hedman, Britt Hedman, Keith O. Hodgson, Keith O. Hodgson, Edward I. Solomon
Journal of the American Chemical Society   121(43) 10035-10046   Nov 1999   [Refereed]
X-ray absorption spectra have been measured at the S K-, Cl K-, and Mo L3- and L2-edges for the do dioxomolybdenum(VI) complexes LMoO2(SCH2Ph), LMoO2Cl, and LMoO2(OPh) (L = hydrotris(3,5-dimethyl-1-pyrazolyl)borate) to investigate ligand-metal cov...
Hiroyuki Oyanagi, Masashi Ishii, Chul-Ho Lee, Naurang L. Saini, Yuji Kuwabara, Akira Saito, Yasuo Izumi, and Hideki Hashimoto
Journal of Synchrotron Radiations   6(3) 155-157   1999   [Refereed]
Yasuo Izumi, Hiroshi Kurakata, Ken-ichi Aika
Journal of Catalysis   175(2) 236-244   Jan 1998   [Refereed]
The active site structures and electronic states were studied for the [Rh10Se]/TiO2 catalyst by means of edge spectra and EXAFS. The rate and selectivity of ethanol synthesis from CO2 on [Rh10Se]/TiO2 had strong dependence on the heating temperatu...
X-ray Absorption Fine Structure Spectroscopy as a Probe of Chemical State of Catalysts
Yasuo Izumi
Trends in Inorganic Chemistry   5 43-56   1998   [Refereed]
Izumi Y, Oshihara K, Aika K.-I.
Chemistry Letters   27(8) 727-728   1998   [Refereed]
Yasuo Izumi
Platinum Metals Review   41(4) 166-170   Oct 1997   [Refereed]
Work on the synthesis of ethanol from carbon dioxide over a rhodiumselenium catalyst is reported, and related reactions and characterisation studies are briefly reviewed. In order to inhibit the formation of methane (complete reduction of carbon d...
Aika K, Kubota J, Kadowaki Y, Niwa Y, Izumi Y.
Applied Surface Science   121-122 488-491   1997   [Refereed]
Yasuo Izumi, Yasuhiro Iwata, Ken Ichi Aika
Journal of Physical Chemistry   100(22) 9421-9428   Dec 1996   [Refereed]
Catalysis on Ru clusters supported on CeO2 or Ni-doped CeO2 was investigated. The Ru3(CO)12 was reacted with CeO2, followed by heating in vacuum at 673 or 813 K, then in H2 at 588 - 1073 K (T(H2)). Ammonia synthesis activities of both catalysts ha...
Hiroshi Kurakata, Yasuo Izumi, Ken-ichi Aika
Chemical Communications   (3) 389-390   Jan 1996   [Refereed]
Supported [Rh10Se] catalyst on TiO2 converted carbon dioxide into ethanol faster (60 × 10-3 mol h-1 g cat-1) and more selectively (≈ 83%) than other supported Rh clusters or [Rh10Se] on other inorganic oxides, presumably due to the effects of inte...
Izumi Y, Iwata Y, Aika K.-I.
Journal of Physical Chemistry   100(22) 9421-9428   1996   [Refereed]
Yasuo Izumi, Ken Ichi Aika
Journal of Physical Chemistry   99(25) 10346-10353   Jan 1995   [Refereed]
Catalysis (ammonia synthesis) on supported nitrido clusters [Ru6N] was investigated as a potential catalysis system of transition metal + main group element in relation to the framework structure (change) of [Ru6N] clusters in H2 or N2 as found in...
Yasuo Izumi, Ken-ichi Aika
Journal of Physical Chemistry   99(25) 10336-10345   Jan 1995   [Refereed]
The supported ruthenium clusters [Ru6N] were prepared on MgO, K+/MgO, and Cs+/MgO from [Ru6N(CO)16] cluster as hydrogenation catalysts, stabilized, and chemically modified by nitrido nitrogen. The characterization and reactivities with H2 and N2 w...
Yasuo Izumi and Ken-ichi Aika
Chemistry Letters   24(2) 137-138   1995   [Refereed]
Yasuo Izumi, Masaki Hoshikawa, Ken-ichi Aika
Bulletin of Chemical Society of Japan   67(12) 3191-3200   Dec 1994   [Refereed]
The effects of adsorbed hydrogen on the N2 adsorption and N2 isotope displacement rate on Ru/MgO and Ru-Cs+/MgO were investigated by FTIR, The H2 was found to be adsorbed dissociatively on on-top sites [1880w(sh ), 1801w(sh), and 1717s cm-1], brid...
Yasuo Izumi, Teiji Chihara, Hiroshi Yamasaki, Yasuhiro Iwasawa
Journal of Physical Chemistry   98(2) 594-602   Jan 1994   [Refereed]
Catalysis and structures of supported ruthenium carbido clusters [Ru6C(CO)16/(CH3)]-/oxides were investigated in comparison with those of supported non-carbido clusters prepared from [Ru6(CO)18]2-and traditional ruthenium catalysts prepared from R...
Yasuo Izumi, Teiji Chihara, Hiroshi Yamasaki, Yasuhiro Iwasawa
Journal of the American Chemical Society   115(14) 6462-6463   Jul 1993   [Refereed]
Yasuo Izumi and Yasuhiro Iwasawa
Studies in Surface Science and Catalysis, Vol 77: New Aspects of Spillover Effect in Catalysis, Inui, Fujimoto, Uchijima, Masai, Eds., Elsevier, Amsterdam   77 241-246   1993   [Refereed]
Yasuo Izumi, Teiji Chihara, Hiroshi Yamasaki, Yasuhiro Iwasawa
Journal of the Chemical Society, Dalton Transactions   (24) 3667-3673   1993   [Refereed]
Yasuo Izumi, Yasuhiro Iwasawa
Journal of Physical Chemistry   96(26) 10942-10948   Dec 1992   [Refereed]
Selenium-modified Rh6(CO)16/MgO catalysts were prepared by the reaction of Rh6(CO)16/MgO with (CH3)2Se in order to examine the promoting effect of an electronegative additive on Rh catalysis for ethene hydroformylation. The deposited Se (Se/Rh6= 0...
Yasuo Izumi, Teiji Chihara, Hiroshi Yamasaki, Yasuhiro Iwasawa
Journal of Chemical Society, Chemical Communications   96(19) 1395-1396   Oct 1992   [Refereed]
Izumi Y, Liu T, Asakura K, Chihara T, Yamazaki H, Iwasawa Y.
Journal of Chemical Society, Dalton Transactions   (14) 2287-2297   Jul 1992   [Refereed]
Y. Izumi, K. Asakura, Y. Iwasawa
Journal of Catalysis   132(2) 566-570   Jan 1991   [Refereed]
Y. Izumi, K. Asakura, Y. Iwasawa
Journal of Catalysis   127(2) 631-644   Jan 1991   [Refereed]
The positive effects of Se added to Rh/ZrO2 catalysts in ethene hydroformylation were studied from the viewpoints of promoter effects of electronegative atoms usually regarded as poisoning atoms as well as electronic interactions with both substra...

Misc

 
色素が起電力と出力を増幅する光燃料電池
Kazuki Urushidate and Yasuo Izumi
クリーンエネルギー   28(9) 23-25   Sep 2019   [Invited]
Transformation of Silver Site over TiO2 Effectively Used on the Photocathode of Solar Cell
Kazuki Urushidate, Mao Yoshiba, and Yasuo Izumi
Photon Factory Activity Report 2018   36 2018G649   2019   [Refereed]
Monitoring of Heat via Localized Surface Plason Resonance to Convert CO2 over Silver–Zirconium Oxide
Hongwei Zhang, Takehisa Konishi, and Yasuo Izumi
Photon Factory Activity Report 2018   36 2016G577   2019   [Refereed]
Hongwei Zhang, Lukas Anton Wein, and Yasuo Izumi
Photon Factory Activity Report 2017   35 2016G577   2018
Hongwei Zhang, Shogo Kawamura, Yasuo Izumi
Photon Factory Activity Report 2017 (Highlights)   35A 36-37   2018   [Refereed][Invited]
Hongwei Zhang and Yasuo Izumi
Photon Factory Activity Report 2016   34 2014G631   2017
Yusuke Yoshida and Yasuo Izumi
Photon Factory Activity Report 2016   34 2015G586   2017
Masaya Miyano, Hongwei Zhang, and Yasuo Izumi
Photon Factory Activity Report 2016   34 2016G577   2017
Shogo Kawamura, Mao Yoshiba, Yuta Ogura, Yasuo Izumi
燃料電池開発情報センター機関誌「燃料電池」   14(4) 44-48   Apr 2015   [Invited]
Yuta Ogura, Mao Yoshiba, and Yasuo Izumi
Chemical Industry   66(3) 206-211   Mar 2015   [Invited]
Mao Yoshiba, Yuta Ogura, and Yasuo Izumi
Photon Factory Activity Report 2014   32B 2013G159   2015
小倉優太, 岡本誓志, 藤嶋幸子, 吉羽真緒, 泉 康雄
コンバーテック   42(7) 38-40   Jul 2014   [Invited]
Yuta Ogura, Mao Yoshiba, Yasuo Izumi
千葉大学環境報告書2014   22-22   2014   [Invited]
Yukiko Fujishima, Seiji Okamoto, Mao Yoshiba, Yuta Ogura, and Yasuo Izumi
Photon Factory Activity Report 2013   31B 2013G159   2014
Gaku Mikami and Yasuo Izumi
Photon Factory Activity Report 2013   31B 2012G683   2014
Yasuo Izumi, Shogo Kawamura, Motoharu Morikawa, and Ahmed Naveed
Photon Factory Activity Report 2013 (Highlights)   31A 36-37   2014   [Refereed][Invited]
光で駆動する燃料電池の創製(2014)
泉 康雄、小倉優太、岡本誓志、藤嶋幸子
岩谷直治記念財団研究報告書   37 2-5   2014   [Invited]
Yuta Ogura and Yasuo Izumi
Photon Factory Activity Report 2012   30B 2011G523   2013
Naveed Ahmed, Motoharu Morikawa, and Yasuo Izumi,
Photon Factory Activity Report 2012   30B 2011G033, 2011A1977   2013
Yusuke Yoshida and Yasuo Izumi
Photon Factory Activity Report 2012   30B 2011G083   2013
各種表面分析を用いた材料研究事例(5) 光触媒作用について調べる
Yasuo Izumi
色剤協会誌   86(8) 306-310   2013   [Invited]
水を燃料とする光燃料電池
Yasuo Izumi and Yuta Ogura
Ceramics   48(11) 899-899   2013   [Invited]
光で駆動する燃料電池の創製(2013)
泉 康雄、小倉優太
岩谷直治記念財団研究報告書   36 43-44   2013   [Invited]
オレ流の想定追究
Yasuo Izumi
岩谷直治記念財団needs   38 6-6   2012   [Invited]
二酸化炭素の光燃料化の研究
Yasuo Izumi
千葉大学環境報告書2012   23-23   2012   [Invited]
Ahmed Naveed, Motoharu Morikawa, and Yasuo Izumi
Photon Factory Activity Report 2011   29B 55-55   2012
Kazuki Oka, Teruaki Koizumi, Takashi Kawase, Hideaki Yoshitake, and Yasuo Izumi
Photon Factory Activity Report 2011   29B 67-67   2012
Yusuke Yoshida and Yasuo Izumi
Photon Factory Activity Report 2011   29B 58-58   2012
二酸化炭素のみからの炭酸ジメチル合成触媒の開拓
Yasuo Izumi
旭硝子財団助成研究成果報告2011   23 & CD-ROM 74–77   Sep 2011   [Invited]
Yasuo IzumiKazuki Oka, Yuta Ogura, and Yasuo Izumi
Photon Factory Activity Report 2010   28B 17-17   2011
Naveed Ahmed and Yasuo Izumi
Photon Factory Activity Report 2010   28B 20-20   2011
Yasuo Izumi, Naveed Ahmed, Yuusuke Yoshida, Motoharu Morikawa, Kazuki Oka, and Yuta Ogura
SPring-8 User Experiment Report   2011A1977   2011
Yasuo IzumiYasuo Izumi, Yuusuke Yoshida, Naveed Ahmed, Motoharu Morikawa, Kazuki Oka, and Yuta Ogura
SPring-8 User Experiment Report   2011A1978   2011
光で駆動する燃料電池の創製(2011)
Yasuo Izumi
岩谷直治記念財団needs   37 40-40   2011   [Invited]
二酸化炭素のみからの炭酸ジメチル合成触媒の開拓(要旨集)
Yasuo Izumi
2011 旭硝子財団助成研究発表会要旨集   30-31   2011   [Invited]
化学反応速度と化学平衡
Yasuo Izumi
Chemistry and Education   58(5) 230-233   May 2010   [Refereed][Invited]
Naveed Ahmed and Yasuo Izumi
Photon Factory Activity Report 2009   27B 30-30   2010
高エネルギー分解能蛍光分光により状態選別したXAFS測定
Yasuo Izumi
KEK Proceedings蛍光XAFS研究の現状と進展、野村昌治、田渕雅夫、稲田康宏 編   60-65   Mar 2009   [Invited]
3月11日
Yasuo Izumi, Kazuki Oka, Yoshiyuki Shibata, Yasuko Terada, Hajime Tanida, and Tomoya Uruga
SPring-8 User Experiment Report 2006B   2008B1111   2009
Seiki Wada and Yasuo Izumi
Photon Factory Activity Report 2008   26B 9-9   2009
Yoshiyuki Shibata and Yasuo Izumi
Photon Factory Activity Report 2008   26B 16-16   2009
Hiroyuki Taki, Natsumi Obara, Tekehisa Konishi, Masako Sakamaki, Takuma Kaneko, Yasuo Izumi, and Naoto Yonezawa
Photon Factory Activity Report 2008   26B 222-222   2009
規則性メソポーラスシリカを駆使した燃料電池用高効率触媒の開発
Yasuo Izumi
住友財団年次報告書 2007      Jul 2008   [Invited]
p.16
Yasuo Izumi
触媒   50(5) 460-461   2008   [Invited]
 何にでも効く触媒はないのは,何にでも効く薬がないのと同じことだ.よって触媒機能毎に,また触媒機能に関わる触媒構造毎に会員の関心は多様である.ならば,本稿ではいっそ触媒学会に参加した旅行記でも記して,いささかでも旅の愉しみを共有していただきたいと考えた.
 で,国際化時代だから海外での学会参加ということになる訳だけれど,触媒についての学会に限ると,02年新ルーベン(ベルギー)触媒調製会議,00年グラナダと96年ボルチモア国際触媒会議くらいしか思い浮かばぬ.飛行機から見えたピレネー山脈,砂漠...
Yasuo Izumi, Kazushi Konishi, and Hideaki Yoshitake
Photon Factory Activity Report 2007   25B 15-15   2008
Yasuo Izumi and Kazushi Konishi
Photon Factory Activity Report 2007   25B 34-34   2008
Kosuke Nishio, Yoshinori Kita, Hiroshi Kishi, Yuka Masaike, Yuusuke Mochizuki, Kensuke Imai, Satoshi Sakamoto, Mamoru Hatakeyama, Yasuo Izumi, Masanori Abe, and Hiroshi Handa
Photon Factory Activity Report 2007   25B 56-56   2008
ナノ粒子構造解析技術の開発
Yasuo Izumi
Polyfile   45(528) 46-49   2008   [Invited]
Why Gold Becomes Active When in Form of Dispersed 3 nm Particles? Reaction Intermediate Detected at SPring-8
Yasuo Izumi
SPring-8 Research Frontiers 2007   142-143   2008   [Refereed][Invited]
高光子束を用いたXAFSによる表面触媒反応励起中間体の観測
泉 康雄, 吉武英昭, 稲田康宏
文部科学省科学研究費補助金「特定領域研究」(平成16–18年度)分子系の極微構造反応の計測とダイナミクス 研究成果報告書 – その2 共同研究成果報告書   71-72   2008
表面触媒反応遷移状態を観測するXAFS – 光励起蛍光分光XAFSによる試み –
Yasuo Izumi
文部科学省科学研究費補助金「特定領域研究」(平成16–18年度)分子系の極微構造反応の計測とダイナミクス 研究成果報告書 – その1 研究課題別成果報告書文部科学省科学研究費補助金「特定領域研究」(平成16–18年度)分子系の極微構造反応の計測とダイナミクス 研究成果報告書 – その1 研究課題別成果報告書   202-205   2008
表面触媒反応遷移状態を観測するXAFS – 光励起蛍光分光XAFSによる試み –
Yasuo Izumi
文部科学省科学研究費補助金「特定領域研究」(平成16–18年度)分子系の極微構造反応の計測とダイナミクス 第7回公開シンポジウム要旨集      Jan 2007
55–55E, 1月26−27日、本郷
Yasuo Izumi, Kazushi Konishi, Laura Sordelli, Matteo Guidotti, and Rinaldo Psaro
Photon Factory Activity Report 2006   24B 16-16   2007
Yasuo Izumi, Kazushi Konishi, Tomohisa Miyajima, and Hideaki Yoshitake
Photon Factory Activity Report 2006   24B 25-25   2007
Yasuo Izumi, Kazushi Konishi, Tomohisa Miyajima, and Hideaki Yoshitake
Photon Factory Activity Report 2006   24B 20-20   2007
Yasuo Izumi, Kazushi Konishi, and Masayasu Tsukahara
Photon Factory Activity Report 2006   24B 15-15   2007
Yasuo Izumi, Kazushi Konishi, Masafumi Takagaki, Yasuko Terada, Hajime Tanida, and Tomoya Uruga
2006B1486   2007
原子位置分解能をもつトンネル電子検出X線吸収微細構造分光の開発
Yasuo Izumi
財団法人 光科学技術研究振興財団 平成16年度研究助成事業 研究助成・研究表彰成果報告書集      2007   [Invited]
Chapter 5
表面触媒反応遷移状態を観測するXAFS – 光励起蛍光分光XAFSによる試み –
Yasuo Izumi
文部科学省科学研究費補助金「特定領域研究」(平成16–18年度)分子系の極微構造反応の計測とダイナミクス 第6回公開シンポジウム要旨集   55-55   Oct 2006   [Invited]
10月12−13日、福岡
表面触媒反応遷移状態を観測するXAFS – 光励起蛍光分光XAFSによる試み –(第5回シンポジウム)
Yasuo Izumi
文部科学省科学研究費補助金「特定領域研究」(平成16–18年度)分子系の極微構造反応の計測とダイナミクス 第5回公開シンポジウム要旨集   62-62   Jun 2006   [Invited]
6月1−3日、大阪
表面触媒反応遷移状態を観測するXAFS – 光励起蛍光分光XAFSによる試み –(第4回シンポジウム)
Yasuo Izumi
文部科学省科学研究費補助金「特定領域研究」(平成16–18年度)分子系の極微構造反応の計測とダイナミクス 第4回公開シンポジウム要旨集   57-57E   Jan 2006   [Invited]
1月27−28日、仙台
Yasuo Izumi, Dilshad Masih, Yasuko Terada, Hajime Tanida, and Tomoya Uruga
2006A1156   2006
Yasuo Izumi and Masayasu Tsukahara
Photon Factory Activity Report 2005   23B 37-37   2006
Yasuo Izumi, Hideaki Yoshitake, Kazushi Konishi, and Tomohisa Miyajima
Photon Factory Activity Report 2005   23B 20-20   2006
Yasuo Izumi, Hideaki Yoshitake, Kazushi Konishi, and Tomohisa Miyajima
Photon Factory Activity Report 2005   23B 42-42   2006
Yasuo Izumi, Dilshad Masih, Laura Sordelli, Matteo Guidotti, and Rinaldo Psaro
Photon Factory Activity Report 2005   23B 38-38   2006
表面触媒反応遷移状態を観測するXAFS – 光励起蛍光分光XAFSによる試み –(第3回シンポジウム)
Yasuo Izumi
文部科学省科学研究費補助金「特定領域研究」(平成16–18年度)分子系の極微構造反応の計測とダイナミクス 第3回シンポジウム要旨集   55-55E   Jul 2005   [Invited]
7月1−2日、札幌
化学状態を「分光」する触媒サイト構造解析の最前線(触媒誌)
Yasuo Izumi
Catalysts   47(3) 246-246   2005   [Invited]
"化学状態を「分光」する触媒サイト構造解析の最前線"
Yasuo Izumi
SPring-8ワークショップテキスト「触媒と放射光利用」   47(3) 3-9   2005   [Invited]
Yasuo Izumi, Fumitaka Kiyotaki, Dilshad Masih, Ken-ichi Aika, Hideaki Yoshitake, Tae Sugihara, Takashi Tatsumi, Yasuhiro Tanizawa, Takafumi Shido, and Yasuhiro Iwasawa
Photon Factory Activity Report 2004   22B 11-11   2005
Monitoring Trace Amounts of Lead and Arsenic Adsorbed under Environmental Conditions by XAFS Combined with Fluorescence Spectrometry
SPring-8 Research Frontiers 2003   99-100   2004   [Refereed][Invited]
Nobuyuki Gokon, Kosuke Nishio, Morihito Ikeda, Hiroki Narimatsu, Yasuo Izumi, and Hiroshi Handa
Photon Factory Activity Report 2003   21B 224-224   2004
Dilshad Masih, Yasuo Izumi, Ken-ichi Aika, and Yoshimi Seida
Photon Factory Activity Report 2003   21B 27-27   2004
Tin K-edge XAFS of Pt-Sn/MgO Catalyst Combined with the X-ray Fluorescence Spectrometry
Yasuo Izumi, Laura Sordelli, Sandro Recchia, Rinaldo Psaro, and Dilshad Masih
SPring-8 User Experiment Report 2004A   13 169-169   2004
Tin K-edge XAFS of Pt-Sn/SiO2 Catalyst Combined with the X-ray Fluorescence Spectrometry
Yasuo Izumi, Jean-Pierre Candy, Tomoya Uruga, Hajime Tanida, and Dilshad Masih
SPring-8 User Experiment Report 2003B   12 68-68   2004
In situ蛍光分光XAFSによるV/TiO2 触媒活性サイト構造変化の研究
泉 康雄, Dilshad Masih, 八木信弘, Aurel-Mihai Vlaicu, 奥井眞人, 二澤宏司, 福島 整
Nanotechnology in SPring-8ナノテクノロジー総合支援プロジェクト研究成果報告書   2 116-118   2003
In-situ Structure Transformation of V/TiO2 Catalyst Active Site by Means of XAFS Utilizing Fluorescence Spectrometry
Yasuo Izumi, Dilshad Masih, Nobuhiro Yagi, Aurel-Mihai Vlaicu, Masato Okui, Atsusi Nisawa, and Sei Fukushima
SPring-8 User Experiment Report 2003A   11 100-100   2003
Structure of Arsenic on Iron-Montmorillonite from 50-200 ppb Solution by XAFS Utilizing Fluorescence Spectrometry
Yasuo Izumi, Dilshad Masih, and Yoshimi Seida
SPring-8 User Experiment Report 2003A   11 78-78   2003
Yasuo Izumi, Dilshad Masih, and Yoshimi Seida
Photon Factory Activity Report 2002   20B 18-18   2003
Yasuo Izumi, Fumitaka Kiyotaki, Ken-ichi Aika, Hideaki Yoshitake, Tae Sugihara, Takashi Tatsumi, Yasuhiro Tanizawa, Takafumi Shido, and Yasuhiro Iwasawa
Photon Factory Activity Report 2002   20B 27-27   2003
蛍光分光XAFSによるV/TiO2触媒活性サイト構造決定
泉 康雄, Dilshad Masih, 湊 丈俊, 八木信弘, Aurel-Mihai Vlaicu, 奥井眞人, 二澤宏司, 福島 整
Nanotechnology in SPring-8ナノテクノロジー総合支援プロジェクト研究成果報告書   1 113-114   2003
In-situ Structure Determination of V/TiO2 Catalyst Active Site by Means of XAFS Utilizing Fluorescence Spectrometry
Yasuo Izumi, Dilshad Masih, Taketoshi Minato, Nobuhiro Yagi, Aurel-Mihai Vlaicu, Masato Okui, Atsusi Nisawa, and Sei Fukushima
SPring-8 User Experiment Report 2002B   10 87-87   2003
Study of Trace Amounts of Adsorbed Arsenic by Means of XAFS Utilizing Fluorescence Spectrometry
Yasuo Izumi, Dilshad Masih, and Yoshimi Seida
SPring-8 User Experiment Report 2002B   10 73-73   2003
Yasuo Izumi, Fumitaka Kiyotaki, Ken-ichi Aika, Hideaki Yoshitake, Tae Sugihara, Takashi Tatsumi, Yasuhiro Tanizawa, Takafumi Shido, and Yasuhiro Iwasawa
Photon Factory Activity Report 2001   19B 31-31   2003
Taketoshi Minato, Yasuo Izumi, Ken-ichi Aika, Atsushi Ishiguro, Takayuki Nakajima, and Yasuo Wakatsuki
Photon Factory Activity Report 2001   19B 18-18   2003
In situ蛍光分光XAFS(X線吸収微細構造)によるV-TiO2触媒サイト構造変化の観察
泉 康雄、Dilshad Masih, 八木信弘、Aurel-Mihal Vlaicu, 奥井眞人、二澤宏司、福島 整
Chemical Industry   54(9) 693-697   2003   [Invited]
蛍光分光サイト選択X線吸収分光による触媒活性サイトの研究(研究交歓会)
Yasuo Izumi
2002年度研究交歓会要旨   2-2   May 2002   [Invited]
2002.5.18
XAFS Spectroscopy Combined with a Fluorescence Spectrometer for Trace Amounts of Element. Lead Adsorption Site in the Environmental Conditions
Yasuo Izumi, Fumitaka Kiyotaki, Taketoshi Minato, and Yoshimi Seida
SPring-8 User Experiment Report 2001B   8 71-71   2002
Yasuo Izumi, Atsushi Ishiguro, Taketoshi Minato, Takayuki Nakajima, and Yasuo Wakatsuki
Photon Factory Activity Report 2000   18B 38-38   2002
Yasuo Izumi, Fumitaka Kiyotaki, and Taketoshi Minato
Photon Factory Activity Report 2000   18B 11-11   2002
蛍光分光サイト選択X線吸収分光による触媒活性サイトの研究(山田財団)
泉 康雄, 大柳宏之, 秋鹿研一, 若槻康雄, 藤澤清史
第26回 財団法人山田科学振興財団事業報告書 2002年度   75-78   2002   [Invited]
蛍光分光サイト選択XAFS
Yasuo Izumi
Photon Factory News   19(3) 22-28   2001   [Invited]

Books etc

 
再生可能エネルギーによる水素製造
Yasuo Izumi (Part:Contributor, 両極に光触媒を用い水を媒質とする太陽電池技術)
S&T出版   Sep 2016   
New and Future Developments in Catalysis
Ahmed N, Morikawa M, Izumi Y. (Part:Contributor, Photocatalytic Conversion of Carbon Dioxide into Fuels Using Layered Double Hydroxides Coupled with Hydrogen or Water)
Elsevier   Jun 2013   
10.1016/B978-0-444-53882-6.00021-8
http://www.scopus.com/inward/record.url?eid=2-s2.0-84903223229&partnerID=MN8TOARS
http://orcid.org/0000-0001-8366-1864
触媒調製ハンドブック, 岩本正和 監修
Yasuo Izumi (Part:Contributor, VドープTiO2)
エヌ・ティー・エス   Apr 2011   
Drinking Water: Contamination, Toxicity and Treatment
Yasuo Izumi (Part:Contributor, Effective removal of low concentrations of arsenic and lead and the monitoring of molecular removal mechanism at the surface)
Nova Science Publishers   Jan 2009   
New sorbents were investigated for the effective removal of low concentrations of arsenic and lead to adjust to modern worldwide environmental regulation of drinking water (10 ppb). Mesoporous Fe oxyhydroxide synthesized using dodecylsulfate was m...

Conference Activities & Talks

 
金および銀-酸化ジルコニウムを用いた13CO2光還元反応におけるバンドギャップ励起およびLSPR由来の熱の寄与
Hongwei Zhang, Takaomi Itoi, Takehisa Konishi, Yasuo Izumi
第124回触媒討論会A予稿集   19 Sep 2019   
かさ密度を最適化した半導体ナノ粒子を用いた太陽電池の特異な電流-電圧特性
Kazuki Urushidate, Keisuke Hara, and Yasuo Izumi
第124回触媒討論会A予稿集   18 Sep 2019   
光触媒TiO2, BiOCl膜の均質化および色素添加による高電圧型太陽電池の改良
漆舘和樹・松澤繁光・李 佶夫・小島 隆・泉 康雄
日本化学会第99春季年会講演予稿集II   19 Mar 2019   
4D2-13、3月16〜19日
銀-酸化ジルコニウムを用いたCO2光還元における光の二元的役割:バンドギャップでの電荷分離と局在表面プラズモン共鳴経由の熱
張 宏偉・糸井貴臣・小西健久・泉 康雄
日本化学会第99春季年会講演予稿集II   18 Mar 2019   
3D2-39、3月16〜19日
CO2 photoreduction to CO using Ag-ZrO2
Hongwei Zhang and Yasuo Izumi
Artificial Photosynthesis, Faraday Discussion   Mar 2019   
色素が起電力と出力を増幅する光燃料電池 [Invited]
Kazuki Urushidate and Yasuo Izumi
科学技術振興機構・千葉大学新技術説明会   19 Feb 2019   
Dual photocatalytic roles of light: charge separation at the band gap and heat via localized surface plasmon resonance to photoconvert CO2 into CO over siliver-zirconium oxide
Hongwei Zhang, Takaomi Itoi, Takeshi Konishi, and Yasuo Izumi
257th ACS National Meeting & Exposition   2019   
ENFL, March 31–April 4
構造制御したTiO2ナノ粒子による高電圧型太陽電池の特性向上
漆舘和樹・李 佶夫・松澤繁光・小島 隆・泉 康雄
千葉大学グルーバルプロミネント研究基幹シンポジウム   6 Nov 2018   
No.51
両極に光触媒を用いた太陽電池への有機色素の添加効果
漆舘和樹・松澤繁光・泉 康雄
第122回触媒討論会A予稿集   28 Sep 2018   
3G24、9月26〜28日
ZrO2系光触媒を用いたCO2光燃料化活性の改良と反応機構
張 宏偉・泉 康雄
第122回触媒討論会A予稿集   26 Sep 2018   
環境をよくする新たな光触媒とその動作原理
Yasuo Izumi
2018年第1回千葉大学化学教育研究懇談会   12 Jul 2018   
両極の光触媒層の改良による太陽電池の高開放電圧・高出力化
漆舘和樹・松澤繁光・李 佶夫・小島 隆・泉 康雄
日本化学会第98春季年会講演予稿集II   21 Mar 2018   
2C1-01、3月20〜23日
亜鉛、銅、ガリウムを含む層状複水酸化物の層間反応場解放によるメタノールのみへのCO2光還元の最適化
Lukas Anton Wein・張 宏偉・宮野雅也・泉 康雄
日本化学会第98春季年会講演予稿集II   21 Mar 2018   
2C1-08、3月20〜23日
A solar cell for use of acidic water enabling open-circuit voltage of 2 V [Invited]
Yasuo Izumi
Open Lecture at Key Laboratory of Material Chemistry for Energy Conversion and Storage, Huazhong University of Science and Technology   20 Nov 2017   
負極および正極の光触媒層界面制御による太陽電池の高電圧化・高出力化
漆館和樹、松澤繁光、李 佶夫、吉羽真緒、小島 隆、泉 康雄
千葉大学グローバルプロミネント研究基幹シンポジウム Proceedings   7 Nov 2017   
p.17
“(1) Introduction to the principle of XAFS and EXAFS and their applications to characterization of catalysts” and “(2) Activation of CO2” [Invited]
Yasuo Izumi
Research Methods for Advanced Environmental Catalysis, Wuhan University   Nov 2017   
November 17, 21, 2017
Monitoring of Active Site Structure of Pd/TiO2 Photocatalyst Under the Reaction Conditions of CO2 Photoconversion into Fuels
Hongwei Zhang, Shogo Kawamura, and Yasuo Izumi
International Symposium on Novel Energy Nanomaterials, Catalysts and Surfaces for Future Earth – Material Research, Characterization and Imaging by In situ/Operando XAFS and X-ray Techniques–   30 Oct 2017   
O-61
多孔性粒子を用いた多孔性チタニア薄層の作製
五島 穣、小島 隆、吉羽真緒、泉 康雄、上川直文
日本セラミックス協会 第30回秋季シンポジウム   20 Sep 2017   
2PS5、9月19〜21日
CO2光燃料化各反応条件に対応した活性サイト構造の放射光XAFS追跡
張 宏偉・泉 康雄
第120回触媒討論会A予稿集   13 Sep 2017   
2I09、9月12〜14日
両極を光触媒とする太陽電池における正極オキシ塩化ビスマスの均一性・安定性の改良
漆舘和樹・吉羽真緒・小島 隆・泉 康雄
第120回触媒討論会A予稿集   12 Sep 2017   
1I28、9月12〜14日
ナノ構造ジルコニア担持金触媒の金の化学状態及びZrO2の表面酸点がα, β-不飽和アルデヒド-アルコール反応の選択性に与える影響
中原 憬・泉 康雄・吉武英昭
第120回触媒討論会A予稿集   12 Sep 2017   
1D17、9月12〜14日
Solar Cell for Maximizing Voltage up to the Band Gap: Optimization and Clarification of Electron Pathway [Invited]
Mao Yoshiba, Yuta Ogura, Masayuki Tamba, Takashi Kojima, and Yasuo Izumi
15th International Conference on Advanced Materials (IUMRS-ICAM 2017)   28 Aug 2017   
August 27–September 1
Photocatalytic challenge of carbon dioxide conversion into fuels supported by spectroscopy [Invited]
Hongwei Zhang, Masaya Miyano, Shogo Kawamura, Magda C. Puscasu, Gabriela Carja, and Yasuo Izumi
2nd International Workshop Advances on Photocatalysis (AdvPhotoCat-E 2017)   16 Jul 2017   
p.7
二酸化炭素の光燃料化と光燃料電池の研究 [Invited]
Yasuo Izumi
千葉大学図書館、1210あかりんアワー   25 Apr 2017   
Why is water more reactive than H2 in photocatalytic CO2 conversion into fuels at reaction pressure up to 0.80 MPa?
Hongwei Zhang, Shogo Kawamura, Masaya Miyano, Mao Yoshiba, Yasuo Izumi
253rd ACS National Meeting & Exposition   3 Apr 2017   
CATL103
0.80 MPaまでのCO2光燃料化で水が水素より高反応性なのはなぜか?
張 宏偉・宮野雅也・吉羽真緒・泉 康雄
日本化学会第97春季年会講演予稿集II   18 Mar 2017   
3A8-43
0.40 MPaでの層状複水酸化物を使った二酸化炭素からメタノールへの選択光還元
宮野雅也・張 宏偉・吉羽真緒・泉 康雄
日本化学会第97春季年会講演予稿集II   18 Mar 2017   
3A8-42
両極に光触媒を用いる太陽電池で3 Vの高電圧を生ずる電子移行過程の最適化
吉羽真緒・丹波雅之・小島 隆・泉 康雄
日本化学会第97春季年会講演予稿集II   18 Mar 2017   
3A8-13、3月18日
チタン-銅-有機ハイブリッド細孔性結晶の発明と一酸化炭素選択酸化への応用 [Invited]
泉 康雄・吉田祐介
科学技術振興機構・千葉大学新技術説明会   28 Feb 2017   
Designed films using TiO2 or Pd–TiO2 for a solar cell comprising two photocatalysts and photocatalytic conversion of CO2 into fuels
Mao Yoshiba, Hongwei Zhang, Masayuki Tamba, Takashi Kojima, Yasuo Izumi
Institute for Global Prominent Research Kickoff Symposium, Chiba University, Program & Abstract   14 Nov 2016   
p.41
水を燃料とする光燃料電池 — 光触媒が拓く高起電力 —
Yasuo Izumi
産学合同技術シーズ交流会   27 Sep 2016   千葉市産業振興財団主催
一酸化炭素(CO)除去装置(触媒) — 燃料電池用水素ガス中の一酸化炭素を除去する触媒 —
Yasuo Izumi
産学合同技術シーズ交流会   27 Sep 2016   千葉市産業振興財団主催
二酸化炭素(CO2)をメタノール(CH3OH)に資源化する装置(触媒)
Yasuo Izumi
産学合同技術シーズ交流会   27 Sep 2016   千葉市産業振興財団主催
銅とチタンを含む単シート状binary MOFの合成とCO選択酸化活性
山﨑隼一、下芝千晶、吉田祐介、泉 康雄
第118回触媒討論会A予稿集   23 Sep 2016   
3C03、9月21〜23日
両極に光触媒を用いる水を媒質とした太陽電池の高起電力化と効率的電子移行過程の解明
吉羽真緒・森井萌愛、小倉優太、泉 康雄
第118回触媒討論会A予稿集   23 Sep 2016   
3I01、9月21〜23日
高圧CO2光燃料化における水を還元剤とした場合の特異なCO2還元機構
張 宏偉・河村省梧・泉 康雄
第118回触媒討論会A予稿集   22 Sep 2016   
2I05、9月21〜23日
Reductant (water/H2), pressure, and thickness matter. Photocatalytic conversion of CO2 into fuels using Pd/TiO2 and BiOCl
Hongwei Zhang, Shogo Kawamura, and Yasuo Izumi
Abstracts of 16th International Congress on Catalysis   7 Jul 2016   
#260
Synthesis of a model interface catalyst using binary metal oxyhydroxy–organic framework and its application for preferential oxidation of CO in H2
Yusuke Yoshida and Yasuo Izumi
Abstracts of 16th International Congress on Catalysis   5 Jul 2016   
水素を還元剤とするCO2光燃料化反応の光触媒の探索と膜厚および反応ガス圧依存性
河村省梧・張 宏偉・泉 康雄
日本化学会第96春季年会講演予稿集II   24 Mar 2016   
1B1-51
水を還元剤とするCO2光燃料化反応の光触媒の探索と反応ガス圧依存性
張 宏偉・河村省梧・泉 康雄
日本化学会第96春季年会講演予稿集II   24 Mar 2016   
1B1-52
Optimization of photocatalytic conversion of CO2 into fuels: Dependence on reductant (water/H2), pressure, and thickness of photocatalysts
Shogo Kawamura, Hongwei Zhang, Yasuo Izumi
251st ACS National Meeting & Exposition   16 Mar 2016   
ENFL397
Photocatalytic conversion of carbon dioxide to fuels using layered double hydroxide-based catalysts: Optimized performance and the reaction mechanism [Invited]
Yasuo Izumi, Naveed Ahmed, Motoharu Morikawa, Shogo Kawamura
The International Chemical Congress of Pacific Basin Societies (Pacifichem) 2015   16 Dec 2015   
層剥離および増感成分により層構造を制御した層状複水酸化物を用いた二酸化炭素光還元反応
長谷川博紀・河村省梧・泉 康雄
第116回触媒討論会A予稿集   18 Sep 2015   
3I07
光燃料電池の電極表面反応を高速化する光触媒の探索と内部抵抗を低減化する2 層構造形成による高出力化
吉羽真緒・小倉優太・森井萌愛・泉 康雄
第116回触媒討論会A予稿集   18 Sep 2015   
3I18
銅とチタンを含むbinary MOF 合成法の改良と水素中CO選択酸化反応特性
吉田祐介・下芝千晶・泉 康雄
第116回触媒討論会A予稿集   16 Sep 2015   
1F25
Mediating oxidation state of plasmonic gold grown on layered double hydroxides matrices for UV and solar driven photocatalysis
Shogo Kawamura, Elena Florentina Grosu, Yasuo Izumi, and Gabriela Carja
1st International Workshop Advances on Photocatalysis (AdvPhotoCat 2015)   7 Jul 2015   
July 6–8
Self-assemblies of plasmonic gold/silver and ZnO based mixed metal oxides for efficient UV and solar-driven photocatalysis
Elena Florentina Grosu, Gaku Mikami, Shogo Kawamura, Magda Cornelia Puscasu, Yasuo Izumi, and Gabriela Carja
International Conference on Advanced Complex Inorganic Nanomaterials 2015   Jul 2015   
July 13–17 (Presentation July 14, 15)
Optimized Geometry of Neighboring Formate Oxidation and O2 Reduction Sites on Designed Cu-ZnO Photocatalysts for Photo-PROX Reaction of CO
Yusuke Yoshida and Yasuo Izumi
Book of Abstract of 27th International Conference on Photochemistry   30 Jun 2015   
PCSC-PO-TUE-44
Spectroscopic Monitoring and Optimization of the Photoreduction of Carbon Dioxide into Fuels Using Layered Double Hydroxides
Shogo Kawamura and Yasuo Izumi
Book of Abstract of 27th International Conference on Photochemistry   30 Jun 2015   
PCSC-PO-TUE-10
水を燃料とする光燃料電池における有機相添加による発電性能向上:酸素のリサイクルに基づく考察
小倉優太・吉羽真緒・泉 康雄
日本化学会第95春季年会講演予稿集II   27 Mar 2015   
2F7-30
光燃料電池中のTiO2およびBiOCl光触媒の改良
吉羽真緒・小倉優太・泉 康雄
日本化学会第95春季年会講演予稿集II   27 Mar 2015   
2F7-12
XAFSを用いた可視光増感層状複水酸化物の二酸化炭素光還元反応機構の追跡
河村省梧・Gabriela Carja・泉 康雄
日本化学会第95春季年会講演予稿集II   27 Mar 2015   
2F7-13
Ti8O8(OH)4クラスター架橋MOFを用いたCuO担持酸化チタンのCO-PROX反応活性サイトのモデル化と担体効果の考察
吉田祐介・泉 康雄
日本化学会第95春季年会講演予稿集II   26 Mar 2015   
1F8-31
Cuイオン吸着酸化亜鉛光触媒によるCO光PROX反応での酸化・還元反応サイトの特定と反応機構
吉田祐介・泉 康雄
日本化学会第95春季年会講演予稿集II   26 Mar 2015   
1F7-44
水を燃料とする光燃料電池(電子ジャーナル講演会) [Invited]
Yasuo Izumi
㈱電子ジャーナル講演会   16 Mar 2015   
連合会館
Design and optimization of photofuel cell comprising titanium oxide and silver(I/0) photocatalysts for use of water as a fuel
Yuta Ogura, Seiji Okamoto, Yukiko Fujishima, Yasuo Izumi
Abstract volume Photocatalysis for Energy (Photo4E)   16 Oct 2014   
October 15–17
Photocatalytic Conversion of Carbon Dioxide using Zn–Cu–Al or Ga Layered Double Hydroxides: Cu in Contact with Gaseous Reactant is Needed for Methanol Generation [Invited]
Shogo Kawamura, Gaku Mikami, Motoharu Morilawa, Naveed Ahmed, and Yasuo Izumi
Abstract volume Photocatalysis for Energy (Photo4E)   15 Oct 2014   
October 15–17
層状複水酸化物を層間/外表面吸着アニオンおよびLDH再構築法で増感した光触媒の二酸化炭素光還元作用機構
河村省梧・泉 康雄・Gabriela Carja
第114回触媒討論会A予稿集   27 Sep 2014   
3F05
Zn, Cu, M(III)を含むペロブスカイト型金属酸化物を用いたCO2の光還元
Gaku Mikami and Yasuo Izumi
第114回触媒討論会A予稿集   27 Sep 2014   
3F09
水を燃料とする光燃料電池の直列抵抗値の改良および生成酸素が内部循環するスタンドアローン化
小倉優太・吉羽真緒・泉 康雄
第114回触媒討論会A予稿集   25 Sep 2014   
1F17
水を燃料とする光燃料電池(イノベーション・ジャパン)
小倉優太・吉羽真緒・泉 康雄
イノベーション・ジャパン2014大学見本市   Sep 2014   
E-08、2014年9月11−12日
水を燃料とする光燃料電池:正極にp型BiOCl光触媒を用いる効果
岡本誓志・藤嶋幸子・小倉優太・泉 康雄
日本化学会第94春季年会講演予稿集II   30 Mar 2014   
4H4-12
Ti8O8(OH)4クラスター架橋MOFを担体とするCO-PROX触媒の開発
Yusuke Yoshida and Yasuo Izumi
日本化学会第94春季年会講演予稿集II   29 Mar 2014   
3H3-37
可視光応答物質および光酸化触媒と複合した層状複水酸化物の二酸化炭素光還元特性の改良
河村省梧・森川元治・小倉優太・泉 康雄
日本化学会第94春季年会講演予稿集II   29 Mar 2014   
3H4-30
水を燃料とする光燃料電池:正極銀ナノ粒子の活性構造変換と電流-電圧特性の最適化
小倉優太・岡本誓志・藤嶋幸子・泉 康雄
日本化学会第94春季年会講演予稿集II   29 Mar 2014   
3H4-56
水を燃料とする光燃料電池(JST発新技術説明会) [Invited]
小倉優太、岡本誓志、藤嶋幸子、泉 康雄
科学技術振興機構 JST発新技術説明会   7 Mar 2014   
水を燃料とする光燃料電池(分野別新技術説明会) [Invited]
小倉優太、岡本誓志、藤嶋幸子、泉 康雄
科学技術振興機構 分野別新技術説明会(二次電池/次世代エネルギー)   18 Feb 2014   
Evaluation and optimization of boundary between polymer electrolyte and platinum over functionalized proton-conductive carbon
Kazuki Oka and Yasuo Izumi
Proceedings of International Conference on Biological, Chemical and Environmental Sciences (BCES-2014)   22 Jan 2014   International Institute of Chemical, Biological, and Environmental Engineering
C0114146
Preparation and evaluation of boundary between polymer electrolyte and platinum over functionalized proton-conductive carbon
Kazuki Oka and Yasuo Izumi
Proceedings of International Conference on Biological, Chemical and Environmental Sciences (BCES-2014)   22 Jan 2014   International Institute of Chemical, Biological, and Environmental Engineering,
pp.49–51
その場で水素を得る光燃料電池の作用機構の速度論およびその場XAFSによる解析
小倉優太、岡本誓志、藤嶋幸子、泉 康雄
第112回触媒討論会A予稿集   20 Sep 2013   
3J14
Cuイオン吸着酸化亜鉛を用いたCO光PROX反応と各種分光法を用いた光PROX特有の反応機構解析
Yusuke Yoshida and Yasuo Izumi
第112回触媒討論会A予稿集   18 Sep 2013   
1F23
水を燃料とする光燃料電池(オープンフォーラム)
Yasuo Izumi
千葉エリア産学官連携オープンフォ−ラム2012   4 Sep 2013   
p.17
酸化セリウム表面のLewis酸-塩基ペアによる二酸化炭素の炭酸ジメチルへの触媒的変換の最適化と作用機構
渡辺健太郎・岡 和輝・泉 康雄
日本化学会第93春季年会講演予稿集II   24 Mar 2013   
3G4–47
その場で水素を得るAgおよびTiO2を用いた光燃料電池
Yuta Ogura and Yasuo Izumi
日本化学会第93春季年会講演予稿集II   23 Mar 2013   
2G5–44
層状複水酸化物による二酸化炭素の光触媒的メタノール化反応機構のFTIR/XAFS解析
森川元治・Naveed Ahmed・泉 康雄
日本化学会第93春季年会講演予稿集II   22 Mar 2013   
1G5–53
(0001)面を選択して露出させた酸化亜鉛の合成とCO光PROX反応性の研究
Yusuke Yoshida and Yasuo Izumi
日本化学会第93春季年会講演予稿集II   22 Mar 2013   
1G5–39
その場で水素を得る光燃料電池(FC EXPO)
Yuta Ogura and Yasuo Izumi
第9回国際水素・燃料電池展(FC EXPO 2013)   28 Feb 2013   
2月27日–3月1日
その場で水素を得る光燃料電池(2013新技術説明会) [Invited]
Yuta Ogura and Yasuo Izumi
科学技術振興機構・千葉大学新技術説明会   22 Feb 2013   
銅イオン吸着ZnOを用いた、表面水酸基とフォルメート種を経由するCO光PROX特有の反応機構解析
Yusuke Yoshida and Yasuo Izumi
第110回触媒討論会A予稿集   25 Sep 2012   
2J10
プロトン伝導性炭素を用いた,三相界面に制約されないカソード触媒設計
Kazuki Oka and Yasuo Izumi
第110回触媒討論会A予稿集   25 Sep 2012   
2I07
光触媒を利用する二酸化炭素光燃料化および次世代ソーラー環境・エネルギー技術
Yasuo Izumi
千葉エリア産学官連携オープンフォ−ラム2012   27 Jul 2012   
p.4
Preferential Oxidation of CO in Hydrogen using Nanosynthesized ZnO Photocatalysts Promoted and Tuned by Adsorbed Cu Ions
Yusuke Yoshida and Yasuo Izumi
Abstracts of 15th International Congress on Catalysis   4 Jul 2012   
Photocatalytic Conversion of Carbon Dioxide into Methanol using Layered Double Hydroxides and its Application to Solar Fuel Cells
Naveed Ahmed, Yasuo Izumi, and Motoharu Morikawa
Abstracts of 15th International Congress on Catalysis   3 Jul 2012   
July 1–6
銅吸着酸化亜鉛ナノ結晶の異方性と銅イオンサイト構造がCO光PROX反応性に与える影響
吉田祐介・糸井貴臣・泉 康雄
日本化学会第92春季年会講演予稿集II   27 Mar 2012   
3G1-48
Photocatalytic conversion of carbon dioxide into methanol over layered double hydroxide catalysts [Invited]
Naveed Ahmed and Yasuo Izumi
日本化学会第92春季年会講演予稿集   27 Mar 2012   
3F3-31
穏和な条件で二酸化炭素を炭酸ジメチルに変換するCeO2ベース触媒の開発
渡辺健太郎・和田聖己・岡 和輝・Ahmed Naveed・小倉優太・森川元治・吉田祐介・泉 康雄
日本化学会第92春季年会講演予稿集II   27 Mar 2012   
3F5-12
層状複水酸化物半導体と水光酸化触媒とを高分子電解質で隔てた二酸化炭素光燃料化
森川元治・Naveed Ahmed・小倉優太・泉 康雄
日本化学会第92春季年会講演予稿集II   26 Mar 2012   
2G1-13
銅イオン吸着ZnOナノ粒子光触媒を用いたCO 光PROX反応における銅イオンの役割のスペクトル追跡
Yusuke Yoshida and Yasuo Izumi
第108回触媒討論会A予稿集   22 Sep 2011   
3D10
水分解/水素酸化と二酸化炭素還元とを分割したセルを用いたメタノール合成触媒の開発
森川元治・アハマド ナヴィード・泉 康雄
第108回触媒討論会A予稿集   22 Sep 2011   
3C21
Photocatalytic Roles of Copper in Cationic Layers and as Anionic Species between Layers in Zinc–Gallium Layered Double Hydroxides to Convert Carbon Dioxide into Methanol
Navel Ahmed and Yasuo Izumi
第108回触媒討論会A予稿集   20 Sep 2011   
1D14
Photocatalytic Challenge to Convert CO2 into Methanol
Naveed Ahmed, Motoharu Morikawa, and Yasuo Izumi
First Bilateral School and Workshop on Nanotechnology and New Materials with Environmental Challenges   Sep 2011   
September 13–16
Photocatalytic Challenge to Convert CO2 into Methanol (Alicante)
Naveed Ahmed, Motoharu Morikawa, and Yasuo Izumi
Japan-Spain Workshop on “New Nanomaterials for Clean Energy Technologies”   Sep 2011   
September 11–13
Photocatalytic conversion of carbon dioxide into methanol using optimized layered double hydroxide catalysts
Naveed Ahmed, Motoharu Morikawa, and Yasuo Izumi
Proceedings of the 13th Korea - Japan Symposium on Catalysis,   May 2011   
May 23–25
Al–SBA-15を利用した燃料電池カソード用Pt–C触媒の合成
小倉優太・岡 和輝・泉 康雄
日本化学会第91春季年会講演予稿集II   28 Mar 2011   
3D4–40(東日本大震災)
酸化チタンナノ粒子とナノチューブのCO光PROX反応についての相乗効果の最適化と反応機構
三谷 悠・吉田祐介・泉 康雄
日本化学会第91春季年会講演予稿集II   28 Mar 2011   
3B4–45(東日本大震災)
吸着銅イオンで促進された均一ナノ粒子酸化亜鉛の水素中一酸化炭素光PROX反応
吉田祐介・三谷 悠・泉 康雄
日本化学会第91春季年会講演予稿集II   28 Mar 2011   
3B4–46(東日本大震災)
二酸化炭素からメタノールへ光変換するZn–Cu–Ga複水酸化物の層間反応場の最適化
Naveed Ahmed and Yasuo Izumi
日本化学会第91春季年会講演予稿集II   27 Mar 2011   
2B4–28(東日本大震災)
銅担持酸化セリウム触媒を用いた、メタノールと二酸化炭素からの温和な条件での炭酸ジメチル合成
Seiki Wada and Yasuo Izumi
日本化学会第91春季年会講演予稿集II   26 Mar 2011   
1B4–10(東日本大震災)
Zn–Cu–M(III) (M = Al, Ga) 層状複水酸化物光触媒を用いた二酸化炭素のメタノール化
Navel Ahmed and Yasuo Izumi
第28回PFシンポジウム   14 Mar 2011   
(東日本大震災)
規則メソ細孔シリカを鋳型として立体構造制御したレプリカPt–Cカソード触媒の三相界面最適化
岡 和輝、小倉優太、泉 康雄、小泉輝明、川瀬 崇、吉武英昭
Catalysts   Mar 2011   
53(2), 83–85(東日本大震災)

Research Grants & Projects

 
精密制御積層膜を用いた二酸化炭素光燃料化高速化と動的作用過程の顕微分光追跡
日本学術振興会: 科学研究費補助金・基盤研究C
Project Year: Apr 2017 - Mar 2020    Investigator(s): Yasuo Izumi
二酸化炭素を都市ガスに変換する光触媒の開拓と作用機構の研究
一般社団法人 日本ガス協会: 大学等研究助成金
Project Year: Sep 2018 - Aug 2019    Investigator(s): Yasuo Izumi
脱化石燃料を指向した高効率エネルギー変換システムの研究開発
千葉大学グローバル・プロミネンツ: リーディング研究育成プログラム
Project Year: 2015 - Mar 2019    Investigator(s): Nagahiro Hoshi
二酸化炭素光触媒還元電位・波長の制御と光燃料電池の援用および動的過程の分光追跡
日本学術振興会: 科学研究費補助金・基盤研究C
Project Year: Apr 2014 - Mar 2017    Investigator(s): Yasuo Izumi
水を燃料とする光燃料電池
科学技術振興機構: 研究成果最適展開支援プログラム(A–STEP)探索タイプ
Project Year: 2014 - Mar 2015    Investigator(s): Yasuo Izumi
水を燃料とする光燃料電池
科学技術振興機構: 研究成果最適展開支援プログラム(A–STEP)探索タイプ
Project Year: 2013 - Mar 2014    Investigator(s): Yasuo Izumi
CO2還元およびCO選択酸化用光触媒の開発と選択分光による作用機構追跡
日本学術振興会: 科学研究費補助金・基盤研究C
Project Year: Apr 2010 - Mar 2013    Investigator(s): Yasuo Izumi
光で駆動する燃料電池の創製
岩谷直治記念財団: 岩谷科学技術研究助成
Project Year: 2011 - Mar 2012    Investigator(s): Yasuo Izumi
その場で水素を得るソーラー燃料電池の開発
科学技術振興機構: 研究成果最適展開支援プログラム(A–STEP)探索タイプ
Project Year: 2011 - Mar 2012    Investigator(s): Yasuo Izumi
二酸化炭素のみからの炭酸ジメチル合成触媒の開拓
旭硝子財団: 自然科学系研究奨励
Project Year: 2009 - Mar 2011    Investigator(s): Yasuo Izumi
可視光応答金属ナノ粒子の規則細孔内構築と選択酸化触媒の開発
科学技術振興機構: シーズ発掘試験研究
Project Year: 2009 - Mar 2010    Investigator(s): Yasuo Izumi
オキソ反応用担持触媒の開発
協和発酵ケミカル: シーズコンテスト(共同研究)
Project Year: 2008 - Mar 2010    Investigator(s): Yasuo Izumi
人工光合成によるCO2固定の為の光触媒の選択
ダイキン: 共同研究
Project Year: Mar 2008 - 2010    Investigator(s): Yasuo Izumi
ヘテロ元素ドープチタニア光触媒開発と蛍光分光XAFSによる電子準位と活性構造観測
日本学術振興会: 科学研究費補助金・基盤研究C
Project Year: Apr 2007 - Mar 2009    Investigator(s): Yasuo Izumi
規則性メソポーラスシリカを駆使した燃料電池用高効率触媒の開発
住友財団: 研究助成
Project Year: 2007 - Mar 2009    Investigator(s): Yasuo Izumi
表面触媒反応遷移状態を観測するXAFS – 光励起蛍光分光XAFSによる試み –
文部科学省: 科学研究費補助金・特定領域研究
Project Year: Apr 2005 - Mar 2007    Investigator(s): Yasuo Izumi
蛍光分光XAFSによる金・白金ナノ粒子および助触媒サイトの状態識別観測の研究
日本学術振興会: 科学研究費補助金・基盤研究C
Project Year: 2005 - Mar 2007    Investigator(s): Yasuo Izumi
原子位置分解能をもつトンネル電子検出X線吸収微細構造分光の開発
光科学技術研究振興財団: 研究助成
Project Year: 2004 - Mar 2007    Investigator(s): Yasuo Izumi
環境調和型固定化クラスター触媒の開発とキャラクタリゼーション
財団法人 生産技術研究奨励会: 国際研究集会派遣助成(第13回国際触媒会議参加経費)
Project Year: 2004 - Mar 2005    Investigator(s): Yasuo Izumi
蛍光X線分析を組み合わせたX線吸収法による環境条件での微量鉛吸着観測、他2件
徳山科学技術振興財団: 国際交流助成(第12回X線吸収微細構造国際会議参加経費)
Project Year: 2003 - Mar 2004    Investigator(s): Yasuo Izumi
蛍光分光XAFSによる環境中クロム・ヒ素・鉛等微量有毒元素の研究
日本学術振興会: 科学研究費補助金・若手研究B
Project Year: Apr 2002 - Mar 2004    Investigator(s): Yasuo Izumi
第8回不均一系触媒調製のための基礎科学国際シンポジウム参加経費「Supported ruthenium carbido-cluster catalysts for the catalytic removal of nitrogen monoxide and sulfur dioxide: the preparation process monitored by sulfur K-edge X-ray absorption near-edge structure」
教育研究振興基金事業: Docomo基金
Project Year: 2002 - Mar 2003    Investigator(s): Yasuo Izumi
サイト選択および微量成分検出のための高分解能蛍光分光X線吸収分光検出装置の製作
日本学術振興会: 科学研究費補助金・基盤研究B(展開)
Project Year: Apr 2001 - Mar 2003    Investigator(s): Yasuo Izumi
サイト選択XAFSを用いたクロム・コバルト・銅触媒表面活性サイト構造の研究
日本学術振興会: 科学研究費補助金・奨励研究A
Project Year: Apr 2000 - Mar 2002    Investigator(s): Yasuo Izumi
蛍光分光サイト選択X線吸収分光による触媒活性サイトの研究
財団法人山田科学振興財団: 研究援助金
Project Year: Apr 2000 - Mar 2002    Investigator(s): Yasuo Izumi
金属クラスターの環境触媒作用への応用
理化学研究所: 環境分子科学、若槻康雄博士プロジェクト
Project Year: 1999 - Mar 2002    Investigator(s): Yasuo Izumi
第12回国際触媒学会参加経費 Oxygen Atom Radical Formation on the Sol-gel Molybdenum-Silica Catalysts Characterized by X-ray Absorption Fine Structure Spectroscopy
教育研究振興基金事業: Docomo基金
Project Year: 2000 - Mar 2001    Investigator(s): Yasuo Izumi
高分解能XAFS蛍光分光器の開発とサイト選択スペクトルへの応用
東レ科学振興会: 東レ科学技術研究助成金
Project Year: 1999 - Mar 2001    Investigator(s): Yasuo Izumi
二重検出XAFS法による触媒表面反応観測
神奈川科学技術アカデミー: 研究助成金
Project Year: 1999 - Mar 2000    Investigator(s): Yasuo Izumi
蛍光分光高分解能X線吸収分光法によるV, Cr, Mo触媒表面活性種のサイト分離観測についての研究
東京工業大学: 教育研究経費(学内措置による東京工業大学学内特別経費)
Project Year: 1998 - Mar 1999    Investigator(s): Yasuo Izumi
化学選択的X線吸収微細構造分光による、触媒表面反応種とその反応過程の研究
文部省: 科学研究費補助金・萌芽的研究
Project Year: Apr 1996 - Mar 1998    Investigator(s): Yasuo Izumi
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Patents

 
特許6213958 : 燃料電池
Yasuo Izumi, Yuta Ogura, and Yukiko Fujishima
特願2018–107691 : 色素が起電力と出力を増幅する光燃料電池
泉 康雄、漆舘和樹、松澤繁光
特開2017-64690 : 一酸化炭素酸化用触媒及びこれを用いた一酸化炭素除去方法
Yasuo Izumi and Yusuke Yoshida
特願2015–195503 : 一酸化炭素酸化用触媒及びこれを用いた一酸化炭素除去方法
Yasuo Izumi and Yusuke Yoshida
特許6566509 : 燃料電池
Yasuo Izumi and Yuta Ogura
特願2012–254796 : 燃料電池
Yasuo Izumi and Yuta Ogura
特願2012–223765 : 燃料電池
Yasuo Izumi and Yuta Ogura
特開2011–31155 : 二酸化炭素還元用光触媒
Yasuo Izumi, Jun-ichiro Arai, and Testuo Shimizu
特願2004–52187 : 砒素吸着剤
清田佳美、鈴木和則、泉 康雄
特開平8–141399 : アンモニア合成触媒およびその調製法
秋鹿研一、泉 康雄、丹羽勇介、岩田靖宏

Others

 
May 2013   日経産業新聞(http://www.shopbiz.jp/lf/news/122746.html)
2013年5月29日
「光あてて発電する燃料電池、千葉大、コスト50分の1に、電極に光触媒。」
Mar 2013   オプトロニクス・オンライン(http://optronics-media.com/special/20130327/3508/)
2013年3月27日
「光触媒を応用した燃料電池」
Mar 2006   テレビ朝日系列・バラエティ番組「ドズペ」
2006年3月4日、19時〜
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