Tamaki Yoshiaki

Profile Information

Affiliation: Associate Professor, Faculty of Science Chemistry, Biology and Marine Science, University of the Ryukyus

Degree: 博士（工学）(Nov, 2002, 大阪大学)

Contact information: ytamakisci.u-ryukyu.ac.jp
J-GLOBAL ID: 201001000192840901
researchmap Member ID: 1000244878

Research Interests

Research Areas

Research History

Aug, 2011 - Present

- , 琉球大学理学部海洋自然科学科化学系准教授
Aug, 2011

- , University of the Ryukyus, Faculty of Science, Department of Chemistry, Biology, and Marine Science, Chemistry Program, Associate Professor
Jan, 2007 - Jul, 2011

University of the Ryukyus, Faculty of Science, Department of Chemistry, Biology, and Marine Science, Chemistry Program, Research Associate
Jan, 2007 - Jul, 2011

, University of the Ryukyus, Faculty of Science, Department of Chemistry, Biology, and Marine Science, Chemistry Program, Research Associate
Apr, 2006 - Dec, 2006

Faculty of Textile Science and Technology, Shinshu University
Apr, 2003 - Mar, 2006

New Energy and Industrial Technology Development Organization
Dec, 2002 - Mar, 2003

Osaka University
Oct, 2002 - Nov, 2002

Osaka University

Education

Apr, 1998 - Nov, 2002

応用物理学専攻博士課程(後期), 工学研究科, 大阪大学大学院
Apr, 1996 - Mar, 1998

University of the Ryukyus
Apr, 1992 - Mar, 1996

Faculty of Science, University of the Ryukyus

Committee Memberships

Apr, 2014 - Mar, 2016

会計, 沖縄県理科・化学懇談会

Awards

May, 2017

Outstanding Reviewer, Elsevier

Tamaki Yoshiaki

Papers

Nanoparticle formation by laser ablation of perylene microcrystals in aqueous solutions of alkyl sulfates with different alkyl chain lengths

Kenzo Kiyosawa, Takafumi Arakaki, Takayuki Terukina, Norito Yasumori, Kosei Koshima, Wataru Nakasone, Shigeto Neha, Yuuki Tahara, Erina Shimabukuro, Yoshiaki Tamaki

Chemical Physics Letters, 757 137863-137863, Oct, 2020 Peer-reviewedCorresponding author
Nanoparticle formation by laser ablation of perylene microcrystals in an aqueous solution of Triton X-100

Kosuke Kimura, Mikako Gibo, Chikashi Nerome, Teppei Kura, Sayuri Ooshiro, Yoshiaki Tamaki

Chemical Physics Letters, 691 271-275, Jan 1, 2018 Peer-reviewed
y Primary photocatalytic reactions in TiO2 nanoparticles studied by time-resolved laser spectroscopy

Ryuzi Katoh, Yoshiaki Tamaki, Akihiro Furube

SOLAR HYDROGEN AND NANOTECHNOLOGY VI, 8109, 2011 Peer-reviewed
Photoluminescence developed from polystyrene and CdS/polystyrene nanocomposite films in picosecond time range by repetitional irradiation of excitation femtosecond pulses in PL up conversion measurements

Toshio Uchihara, Mika Shiroma, Koji Ishimine, Yoshiaki Tamaki

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 213(2-3) 93-100, Jun, 2010 Peer-reviewed
Femtosecond Visible-to-IR Spectroscopy of TiO2 Nanocrystalline Films: Elucidation of the Electron Mobility before Deep Trapping

Yoshiaki Tamaki, Kohjiro Hara, Ryuzi Katoh, M. Tachiya, Akihiro Furube

JOURNAL OF PHYSICAL CHEMISTRY C, 113(27) 11741-11746, Jul, 2009 Peer-reviewed
Charge-Transfer Processes in Dye-Sensitized NiO Solar Cells

Shogo Mori, Shunya Fukuda, Seiichi Sumikura, Yoshihiro Takeda, Yoshiaki Tamaki, Eiji Suzuki, Takao Abe

JOURNAL OF PHYSICAL CHEMISTRY C, 112(41) 16134-16139, Oct, 2008 Peer-reviewed
Self-trapping limited exciton diffusion in a monomeric perylene crystal as revealed by femtosecond transient absorption microscopy

Tomoaki Yago, Yoshiaki Tamaki, Akihiro Furube, Ryuzi Katoh

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 10(30) 4435-4441, 2008 Peer-reviewed
Femtosecond visible-to-IR spectroscopy of TiO2 nanocrystalline films: Dynamics of UV-generated charge carrier relaxation at different excitation wavelengths

Akihiro Furube, Yoshiaki Tamaki, Miki Murai, Kohjlro Hara, Ryuzi Katoh, M. Tachiya

PHYSICAL CHEMISTRY OF INTERFACES AND NANOMATERIALS VI, 6643, 2007 Peer-reviewed
Transient absorption microscopic study of triplet excitons in organic crystals

Ryuzi Katoh, Yoshiaki Tamaki, Akihiro Furube

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 183(3) 267-272, Oct, 2006 Peer-reviewed
Effect of aggregation on the excited-state electronic structure of perylene studied by transient absorption spectroscopy

Akihiro Furube, Miki Murai, Yoshiaki Tamaki, Sadayuki Watanabe, Ryuzi Katoh

Journal of Physical Chemistry A, 110(20) 6465-6471, May 25, 2006 Peer-reviewed
Effect of excitation wavelength on electron injection efficiency in dye-sensitized nanocrystalline TiO2 and ZrO2 films

Ryuzi Katoh, Akihiro Furube, Miki Murai, Yoshiaki Tamaki, Kohjiro Hara, M. Tachiya

Comptes Rendus Chimie, 9(5-6) 639-644, May, 2006 Peer-reviewed
Trapping dynamics of electrons and holes in a nanocrystalline TiO2 film revealed by femtosecond visible/near-infrared transient absorption spectroscopy

Yoshiaki Tamaki, Akihiro Furube, Ryuzi Katoh, Miki Murai, Kohjiro Hara, Hironori Arakawa, M. Tachiya

Comptes Rendus Chimie, 9(2) 268-274, Feb, 2006 Peer-reviewed
Evaluation of two-photon absorption property by near-IR transient absorption spectroscopy

Sadayuki Watanabe, Miki Murai, Yoshiaki Tamaki, Akihiro Furube, Kenji Kamada, Koji Ohta, Katsumi Tokumaru, Ryuzi Katoh

Nonlinear Optics, Quantum Optics, 34 167-170, Nov, 2005 Peer-reviewed
Near-IR transient absorption study on light emitting materials

Sadayuki Watanabe, Miki Murai, Yoshiaki Tamaki, Akihiro Furube, Ryuzi Katoh

Nonlinear Optics Quantum Optics, 34(1-4 SPEC. ISS.) 237-240, Oct, 2005 Peer-reviewed
Time-resolution estimation of a femtosecond time-resolved SNOM having an apertured cantilever tip

Furube A, Tamaki Y, Katoh R

JOURNAL OF THE KOREAN PHYSICAL SOCIETY, 47 S76-S79, Aug, 2005 Peer-reviewed
VIS-NIR (400-1600 nm) transient absorption study on photo-functional organic materials

Sadayuki Watanabe, Miki Murai, Yoshiaki Tamaki, Akihiro Furube, Ryuzi Kato

Proc. for the International Symposium on Super-Functionality Organic Devices, 6 121-124, Apr, 2005 Peer-reviewed
酸化チタンナノ微粒子膜の可視-赤外過渡吸収分光

古部昭広, 玉城喜章, 加藤隆二

触媒, 47 322-327, 2005 Peer-reviewed
Microscopic imaging of the efficiency of electron injection from excited sensitizer dye into nanocrystalline ZnO film

Ryuzi Katoh, Akihiro Furube, Yoshiaki Tamaki, Toshitada Yoshihara, Miki Murai, Kohjiro Hara, Shigeo Murata, Hironori Arakawa, M. Tachiya

Journal of Photochemistry and Photobiology A: Chemistry, 166(1-3) 69-74, Aug 12, 2004 Peer-reviewed
Trace analysis by transient absorption spectroscopy: Estimation of the solubility of C 60 in polar solvents

Toshitada Yoshihara, Miki Murai, Yoshiaki Tamaki, Akihiro Furube, Ryuzi Katoh

Chemical Physics Letters, 394(1-3) 161-164, Aug 11, 2004 Peer-reviewed
Identification of reactive species in photoexcited nanocrystalline TiO2 films by wide-wavelength-range (400-2500 nm) transient absorption spectroscopy

Yoshihara T, Katoh R, Furube A, Tamaki Y, Murai M, Hara K, Murata S, Arakawa H, Tachiya M

JOURNAL OF PHYSICAL CHEMISTRY B, 108(12) 3817-3823, Mar 25, 2004 Peer-reviewed

Misc.

Imaging of exciton absorption in perylene crystals by femtosecond-laser scanning microscopy

Tomoaki Yago, Yoshiaki Tamaki, Akihiro Furube, Ryuzi Katoh

JAPANESE JOURNAL OF APPLIED PHYSICS, 47(2) 1400-1403, Feb, 2008
Imaging of exciton absorption in perylene crystals by femtosecond-laser scanning microscopy

Tomoaki Yago, Yoshiaki Tamaki, Akihiro Furube, Ryuzi Katoh

JAPANESE JOURNAL OF APPLIED PHYSICS, 47(2) 1400-1403, Feb, 2008
Effect of pH on absorption spectra of photogenerated holes in nanocrystalline TiO2 films

Toshitada Yoshihara, Yoshiaki Tamaki, Akihiro Furube, Miki Murai, Kohjiro Hara, Ryuzi Katoh

CHEMICAL PHYSICS LETTERS, 438(4-6) 268-273, Apr, 2007
Effect of pH on absorption spectra of photogenerated holes in nanocrystalline TiO2 films

Toshitada Yoshihara, Yoshiaki Tamaki, Akihiro Furube, Miki Murai, Kohjiro Hara, Ryuzi Katoh

CHEMICAL PHYSICS LETTERS, 438(4-6) 268-273, Apr, 2007
Growth of β-perylene crystal

Tomoaki Yago, Yoshiaki Tamaki, Akihiro Furube, Ryuzi Katoh

Chemistry Letters, 36(3) 370-371, Mar 5, 2007
Growth of beta-perylene crystal

Tomoaki Yago, Yoshiaki Tamaki, Akihiro Furube, Ryuzi Katoh

CHEMISTRY LETTERS, 36(3) 370-371, Mar, 2007
Reaction of holes in nanocrystalline TiO2 films evaluated by highly sensitive transient absorption spectroscopy

Miki Murai, Yoshiaki Tamaki, Akihiro Furube, Kohjiro Hara, Ryuzi Katoh

CATALYSIS TODAY, 120(2) 214-219, Feb, 2007
Reaction of holes in nanocrystalline TiO2 films evaluated by highly sensitive transient absorption spectroscopy

Miki Murai, Yoshiaki Tamaki, Akihiro Furube, Kohjiro Hara, Ryuzi Katoh

CATALYSIS TODAY, 120(2) 214-219, Feb, 2007
Dynamics of efficient electron-hole separation in TiO2 nanoparticles revealed by femtosecond transient absorption spectroscopy under the weak-excitation condition

Yoshiaki Tamaki, Akihiro Furube, Miki Murai, Kohjiro Hara, Ryuzi Katoh, M. Tachiya

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 9(12) 1453-1460, 2007
Dynamics of efficient electron-hole separation in TiO2 nanoparticles revealed by femtosecond transient absorption spectroscopy under the weak-excitation condition

Yoshiaki Tamaki, Akihiro Furube, Miki Murai, Kohjiro Hara, Ryuzi Katoh, M. Tachiya

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 9(12) 1453-1460, 2007
Transient absorption measurement of organic crystals with femtosecond-laser scanning microscopes

Akihiro Furube, Yoshiaki Tamaki, Ryuzi Katoh

Journal of Photochemistry and Photobiology A: Chemistry, 183(3) 253-260, Oct 25, 2006
Transient absorption measurement of organic crystals with femtosecond-laser scanning microscopes

Akihiro Furube, Yoshiaki Tamaki, Ryuzi Katoh

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 183(3) 253-260, Oct, 2006
Direct observation of reactive trapped holes in TiO2 undergoing photocatalytic oxidation of adsorbed alcohols: Evaluation of the reaction rates and yields

Y Tamaki, A Furube, M Murai, K Hara, R Katoh, M Tachiya

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 128(2) 416-417, Jan, 2006
Direct observation of reactive trapped holes in TiO2 undergoing photocatalytic oxidation of adsorbed alcohols: Evaluation of the reaction rates and yields

Y Tamaki, A Furube, M Murai, K Hara, R Katoh, M Tachiya

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 128(2) 416-417, Jan, 2006

Presentations

界面活性剤水溶液中のペリレン微結晶のレーザーアブレーションによるナノ粒子の生成

玉城喜章

日本化学会第98春季年会, Mar 23, 2018 Invited

Teaching Experience

Professional Memberships

Research Projects

若手研究者による琉球・沖縄研究への支援

財団法人琉球大学後援財団, Apr, 2008 - Mar, 2009

玉城喜章
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2006
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2003
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1998

Industrial Property Rights

特許5436821 ナノ粒子の生成・吐出器具

玉城喜章, 岩崎公典, 近藤義和, 波平宜敬, 吉見直己, 富田真理子, 屋我実
特許4621893 物体の調査方法及び調査装置

古部昭広, 玉城喜章, 加藤隆二

Social Activities

沖縄県理科・化学懇談会

Logistic support

Apr 1, 2014 - Mar 31, 2016

Profile Information

Research Interests

Research Areas

Research History

Education

Committee Memberships

Awards

Papers

Misc.

Presentations

Teaching Experience

Professional Memberships

Research Projects

Industrial Property Rights

Social Activities

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