HYODO Takeo

J-GLOBAL         Last updated: Jul 5, 2019 at 19:53
 
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Name
HYODO Takeo
Affiliation
Nagasaki University
Section
Graduate school of Engineering
Job title
Associate Professor
Degree
Doctor of Engineering(Kyushu University)
Other affiliation
Nagasaki University
Research funding number
70295096
ORCID ID
0000-0003-1605-5623

Research Areas

 
 

Academic & Professional Experience

 
Apr 2011
 - 
Today
Associate Professor, Division of Chemistry and Materials Science, Graduate School of Engieering, Nagasaki University
 
2015
 - 
2015
Part-time Lecturer, Kyushu Institute of Technology
 
Aug 2010
 - 
Mar 2011
Associate Professor, Departmennt of Materials Science and Engineering, Faculty of Engineering, Nagasaki University
 
Apr 2005
 - 
Jul 2010
Assistant Professor, Departmennt of Materials Science and Engineering, Faculty of Engineering, Nagasaki University
 
Apr 1997
 - 
Mar 2005
Research Associate, Departmennt of Materials Science and Engineering, Faculty of Engineering, Nagasaki University
 

Education

 
 
 - 
1997
Department of Material Science and Engineering, Graduate School, Division of Integrated Science and Engineering, Kyushu University
 
 
 - 
1992
Department of Applied Chemistry, Faculty of Engineering, Kyushu University
 

Awards & Honors

 
2011
Best Paper Presentation Award, 9th Asian Conference on Chemical Sensors (ACCS2011)
 
2010
Seiyama Award, Japan Association of Chemical Sensors
 
2005
Distinguished Paper Award, The Electrochemical Society of Japan
 
2002
2002 Award (Sano Award) for a young distinguished researcher, The Electrochemical Society of Japan
 
2001
Distinguished Paper Award, The Electrochemical Society of Japan
 

Published Papers

 
Improvement in NO2 sensing properties of semiconductor-type gas sensors by loading of Au into porous In2O3 powders
Taro Ueda, Keijiro Ishida, Kai Kamada, Takeo Hyodo, Yasuhiro Shimizu
Frontiers in Materials   6 Article 81   Apr 2019   [Refereed]
Porous (pr-) In2O3 powders loaded with and without noble metals (Au, Pd, or Pt) were
prepared by ultrasonic spray pyrolysis employing the PMMA microspheres as a template
(typical particle size (ps): 28 or 70 nm with a diameter), and their NO2 sens...
Gas sensing utilizing Schottky contact between metal and semiconductor
Takeo Hyodo, Yasuhiro Shimizu
JXTG Technical Review   61(1) 12-16   Mar 2019   [Invited]
Basic gas-sensing properties of photoluminescent Eu2O3-mixed SnO2-based materials with submicron-size macropores
Takeo Hyodo, Yukari Takakura, Kazuya Kuroiwa, Keisuke Tsuchiya, and Yasuhiro Shimizu
Journal of Nanoscience and Nanotechnology   19 5351-5360   Aug 2019   [Refereed]
Macroporous SnO2 films mixed with 2.5 mol% Eu2O3 and n mol% MgO (mp-Eu2O3/SnO2(nMgO)) were fabricated by a modified sol-gel technique employing polymethylmethacrylate microspheres (ca. 800 nm in diameter) as a temp...
Potentiometric CO sensors using anion-conducting polymer electrolyte: Effects of the kinds of noble metal-loaded metal oxides as sensing-electrode materials on CO-sensing
Takeo Hyodo, Mari Takamori, Toshiyuki Goto, Taro Ueda, and Yasuhiro Shimizu
Sensors and Actuators B   287 42-52   May 2019   [Refereed]
Potentiometric CO-sensing properties of electrochemical gas sensors using an anion-conducting polymer as an electrolyte and a metal oxide (MO; Bi2O3, CeO2, In2O3, SnO2, or V2O5) loaded with or without 2.0 wt% noble metal (N; Ag, Au, Ir, Ru, Rh, Pd...
Taro Ueda, Takuya Maeda, Zhendong Huang, Kotono Higuchi, Kuniyuki Izawa, Kai Kamada, Takeo Hyodo, Yasuhiro Shimizu
Sensors and Actuators, B: Chemical   273 826-833   Nov 2018   [Refereed]
© 2018 WO3-based semiconductor-type gas sensors were fabricated, and their sensing properties to methylmercaptan (CH3SH) were examined in this study. The Ru loading on WO3was an effective way of an increase in the CH3SH response. In addition, the ...
Highly sensitive and selective hydrogen-sensing properties of Schottky-diode devices utilizing noble-metal sensing electrode and anodized oxide film
Takeo Hyodo, Yasuhiro Shimizu
Journal of The Hydrogen Energy Systems Society of Japan   43(3) 143-151   Sep 2018   [Invited]
Hydrogen-sensing properties of diode-type gas sensors utilizing noble-metal (M) sensing electrodes and a thin titania film fabricated by anodization of a titanium plate (M/TiO2) have been reviewed in this paper. The nonlinear current-voltage char...
Takeo Hyodo, Naoki Morinaga, Yasuhiro Shimizu
Chemosensors   6(1) 7 pp.   Mar 2018   [Refereed][Invited]
Akane Yamada, Kai Kamada, Taro Ueda, Takeo Hyodo, Yasuhiro Shimizu, Nobuaki Soh
RSC Advances   8(36) 20347-20352   2018   [Refereed]
Takeo Hyodo, Kaoru Urata, Kai Kamada, Taro Ueda, and Yasuhiro Shimizu
Sensors and Actuators B: Chemical   253 630-640   Dec 2017   [Refereed]
Taro Ueda, Hironari Abe, Kai Kamada, Sean R. Bishop, Harry L. Tuller, Takeo Hyodo, and Yasuhiro Shimizu
Sensors and Actuators B: Chemical   252 268-276   Nov 2017   [Refereed]
Pore-size control of gas-sensing materials
Takeo Hyodo and Yasuhiro Shimizu
Ceramics   52(8) 551-554   Aug 2017   [Invited]
Takeo Hyodo, Eriko Fujii, Keijiro Ishida, Taro Ueda, Yasuhiro Shimizu
Sensors and Actuators B: Chemical   244 992-1003   Jun 2017   [Refereed]
Taro Ueda, Hirotaka Takeda, Kai Kamada, Takeo Hyodo, and Yasuhiro Shimizu
Electrochemistry   85(4) 174-178   Apr 2017   [Refereed]
Sensing properties of diode-type gas sensors
Yasuhiro Shimizu and Takeo Hyodo
Advances in Science and Technology (7th Forum on New Materials - Part C, Chapter 2: Nanomaterials for Solid State Gas Sensors)   99 61-65   2017   [Refereed]
Taro Ueda, Miyuki Sakai, Kai Kamada, Takeo Hyodo, and Yasuhiro Shimizu
Sensors and Actuators B: Chemical   237 247-255   Dec 2016   [Refereed]
Takeo Hyodo, Wataru Sakata, Kai Kamada, Taro Ueda, and Yasuhiro Shimizu
75(16) 115-122   Oct 2016   [Refereed]
Fahimeh Hooriabad Saboor, Taro Ueda, Kai Kamada, Takeo Hyodo, Yadollah Mortazavi, Abbas Ali Khodadadi, and Yasuhiro Shimizu
Sensors and Actuators B: Chemical   223 429-439   Feb 2016   [Refereed]
Takeo Hyodo, Takuya Kaino, Taro Ueda, Kuniyuki Izawa, and Yasuhiro Shimizu
Sensors and Materials   28(11) 1179-1189   Nov 2016   [Refereed]
Takeo Hyodo, Toshiyuki Goto, Taro Ueda, Kazunari Kaneyasu, and Yasuhiro Shimizu
Journal of The Electrochemical Society   163(7) B300-B308   Jul 2016   [Refereed]
Kai Kamada, Yosuke Tanaka, Motoko Tokunaga, Taro Ueda, Takeo Hyodo, and Yasuhiro Shimizu
Chemical Communications   52(16) 3308-3311   Jan 2016   [Refereed]
Kazunori Nagae, Taro Ueda, Takahiko Sasahara, Osamu Nakagoe, Shuji Tanabe, Takeo Hyodo, and Yasuhiro Shimizu
ECS Transactions   75(16) 23-29   2016   [Refereed]
Takeo Hyodo, Takumi Hashimoto, Taro Ueda, Osamu Nakagoe, Kai Kamada, Takahiko Sasahara, Shuji Tanabe, and Yasuhiro Shimizu
Sensors and Actuators B: Chemical   220 1091-1104   Dec 2015   [Refereed]
Toshiyuki Goto, Takeo Hyodo, Taro Ueda, Kai Kamada, Kazunari Kaneyasu, and Yasuhiro Shimizu
Electrochimica Acta   166 232-243   Jun 2015   [Refereed]
Hirotaka Takeda, Taro Ueda, Kai Kamada, Katsuhide Matsuo, Takeo Hyodo, and Yasuhiro Shimizu
Electrochimica Acta   155 8-15   Feb 2015   [Refereed]
Takeo Hyodo, Tomoki Yamashita, and Yasuhiro Shimizu
Sensors and Actuators B: Chemical   207 105-116   Feb 2015   [Refereed]
Takeo Hyodo, Yasunari Yuzuriha, Osamu Nakagoe, Takahiko Sasahara, Shuji Tanabe, and Yasuhiro Shimizu
Sensors and Actuators B: Chemical   202 748-757   Oct 2014   [Refereed]
Takeo Hyodo, Shu-ichi Furuno, Eriko Fujii, Katsuhide Matsuo, Suguru Motokucho, Ken Kojio, and Yasuhiro Shimizu
Sensors and Actuators B: Chemical   187 495-502   Oct 2013   [Refereed]
Go Yamamoto, Tomoki Yamashita, Katsuhide Matsuo, Takeo Hyodo and Yasuhiro Shimizu
Sensors and Actuators B: Chemical   183 253-264   Jul 2013   [Refereed]
Takeo Hyodo, Choei Ishibashi, Katsuhide Matsuo, Kazunari Kaneyasu, Hiroyuki Yanagi, and Yasuhiro Shimizu
Electrochimica Acta   82 19-25   Nov 2012   [Refereed]
Potentiometric hydrogen sensors using an anion-conducting polymer as an electrolyte
Takeo Hyodo, Choei Ishibashi, Hiroyuki Yanagi, Kazunari Kaneyasu, and Yasuhiro Shimizu
Reports of the Faculty of Engineering, Nagasaki University   42(79) 42-47   Jul 2012
INTERNATIONAL CONFERENCE ON RENEWABLE ENERGY RESEARCH AND APPLICATIONS (ICRERA)      2012   [Refereed]
INTERNATIONAL CONFERENCE ON RENEWABLE ENERGY RESEARCH AND APPLICATIONS (ICRERA)      2012   [Refereed]
Optimal Design of Meso- and Macro-structures for Ceramic Gas Sensors
Takeo Hyodo
Chemical Sensors   26(2) 62-72   2010   [Invited]
Takeo Hyodo, Hanako Inoue, Hitomi Motomura, Katsuhide Matsuo, Takeshi Hashishin, Jun Tamaki, Yasuhiro Shimizu, Makoto Egashira
Sensors and Actuators B   151(1) 265-273   2010   [Refereed]
Sn-based anode-materials with macroporous metal films for secondary lithium-ion batteries
Takeo HYODO, Hirotaka EZAKI, Yasuhiro SHIMIZU, and Makoto EGASHIRA
Reports of the Faculty of Engineering, Nagasaki University   39(73) 8-14   2009
Anode properties of Sn films on macroporous (m-) metal films (Sn(N)/m-M films, N: condition of electrolytic deposition, S (10 mA cm-2, 2 min) or L (2 mA cm-2, 10 min), M: Co or Ni) for secondary lithium-ion batteries have been investigated. Sn(N)...
Preparation of Mesoporous and Meso-macroporous SnO2 Powders and Application to H2 Gas Sensors
Yuan Luyang, Hyodo Takeo, Shimizu Yasuhiro, Egashira Makoto
SENSORS AND MATERIALS   21(5) 241-250   2009   [Refereed]
Microstructural Control of Mesoporous SnO2 Powders and Their H2 Sensing Properties
Hario Naoyuki, Hyodo Takeo, Shimizu Yasuhiro, Egashira Makoto
SENSORS AND MATERIALS   21(5) 229-239   2009   [Refereed]
S. Kimura, S. Kimura, T. Hyodo, Y. Shimizu, M. Egashira
Colloids and Surfaces A: Physicochemical and Engineering Aspects   318(1-3) 206-216   Apr 2008
The present paper reports preparation procedure and characterization of micrometer-sized polyethylene (PE)-based hybrid particles containing various amounts of Mg(OH)2powder treated with different amounts of methylhydrogen polysiloxane (MHS). The ...
Yasuhiro Shimizu, Keiko Sakamoto, Masaki Nakaoka, Takeo Hyodo, Makoto Egashira
Advanced Materials Research   47-50 PART 2 1510-1513   Jan 2008
H2 sensing properties of anodic TiO2 films equipped with Pd or Pd-Pt alloy electrodes has been investigated in air and in N 2 atmosphere at 250°C and room temperature. The use of a Pd-Pt alloy electrode and a Pt paste improved the magnitude of H2 ...
Nakaoka M., Shimizu Y., Hyodo T., Egashira M.
ECS Transactions   16(11) 293-299   2008
Hyodo T., Shimizu Y., Nonaka S., Egashira M.
ECS Transactions   16(11) 317-323   2008
H2 Sensing Performance of TiO2-based Diode-type Sensors
Y. Shimizu, K. Sakamoto, M. Nakaoka, T. Hyodo, M. Egashira
Advanced Materials Research   47-50 1510-1513   2008
Yukari Takakura, Takeo Hyodo, Yasuhiro Shimizu, Makoto Egashira
IEEJ Transactions on Sensors and Micromachines   128(4) 137-140   2008
Shuhei Nonaka, Takeo Hyodo, Yasuhiro Shimizu, Makoto Egashira
IEEJ Transactions on Sensors and Micromachines   128(4) 141-144   2008
Takeo Hyodo, Tadashi Furuno, Shizuko Kumazawa, Yasuhiro Shimizu, Makoto Egashira
Sensors and Materials   19 365-376   Nov 2007
The effect of oxide powder addition to a carbonate auxiliary electrode on the CO2-sensing properties of Na3Zr2Si 2PO12 (NASICON) gas sensors has been investigated. CO 2 was adsorbed on the surfaces of most of the oxides tested after treatment at 4...
S. Kimura, S. Kimura, T. Kato, T. Hyodo, Y. Shimizu, M. Egashira
Journal of Magnetism and Magnetic Materials   312(1) 181-186   May 2007
The surface of carbonyl iron powder or a mixture of carbonyl iron and ferrite was coated with polymethylmethacrylate (PMMA) microspheres by a hybridization method to make hybrid powders, and then electromagnetic wave absorption properties of the h...
Yasuhiro Shimizu, Takeo Hyodo, Makoto Egashira
Sensors and Actuators, B: Chemical   121(1) 219-230   Jan 2007
Hydrogen sensing properties of TiO2thin films prepared by different methods and equipped with different kinds of metal electrodes have been tested. The most developed submicron-sized pore structure was found in the TiO2thin film prepared by anodic...
Effects of Electrode Materials on the CO2 Sensing Properties of Solid-Electrolyte Gas Sensors
T. Hyodo, T. Furuno, S. Kumazawa, Y. Shimizu, M. Egashira
Sensors and Materials   19(6) 365-376   2007
Characterizations of Polystyrene-based Hybrid Particles Containing Hydrophobic Mg(OH)2 Powder and Composites Fabricated by Employing Resultant Hybrid Particles
Shuichi Kimura, Takeo Hyodo, Yasuhiro Shimizu and Makoto Egashira
Research Letters in Materials Science   2007 1-4   2007
Characterizations of Polystyrene-based Hybrid Particles Containing Hydrophobic Mg(OH)2 Powder and Composites Fabricated by Employing Resultant Hybrid Particles
S. Kimura, T. Hyodo, Y. Shimizu, M. Egashira
Article ID 19232   2007 1-4   2007
Takeo Hyodo, Takeo Hyodo, Anja Bieberle-Hütter, Anja Bieberle-Hütter, Joshua L. Hertz, Harry L. Tuller
Journal of Electroceramics   17(2-4) 695-699   Dec 2006
Preparation of macroporous gadolinia-doped ceria (CGO) films was attempted by r.f. magnetron sputtering. A polymethylmethacrylate (PMMA) microsphere film was fabricated as a template on a Pt-coated silicon substrate by dripping a PMMA microsphere ...
Takeo Hyodo, Junji Ohoka, Yasuhiro Shimizu, Makoto Egashira
Sensors and Actuators, B: Chemical   117(2) 359-366   Oct 2006
H2sensing properties of an anodically oxidized Nb2O5film coupled with a noble metal electrode (M/Nb2O5, M: Au, Pt and Pd) have been investigated under various operating conditions. Among the sensors tested, Pd/Nb2O5(S), which was prepared by anodi...
Development of tin oxide-based materials as an anode for secondary lithium-ion batteries
Takeo HYODO, Shinichi KOYAMA, Yasuhiro SHIMIZU, and Makoto EGASHIRA
Reports of the Faculty of Engineering, Nagasaki University   36(67) 58-63   Jul 2006
Tsuyoshi Hamaguchi, Nobuaki Yabuki, Masayoshi Uno, Masayoshi Uno, Shinsuke Yamanaka, Shinsuke Yamanaka, Makoto Egashira, Makoto Egashira, Yasuhiro Shimizu, Yasuhiro Shimizu, Takeo Hyodo, Takeo Hyodo
Sensors and Actuators, B: Chemical   113(2) 852-856   Feb 2006
Tin oxide nanohole arrays have been prepared by a liquid phase deposition method. Field emission-type scanning electron microscopy (FE-SEM) and X-ray diffraction (XRD) are used to characterize the surface morphologies and crystal structures of the...
Il Doo Kim, Il Doo Kim, Avner Rothschild, Takeo Hyodo, Takeo Hyodo, Harry L. Tuller
Nano Letters   6(2) 193-198   Feb 2006
Chemical and physical synthesis routes were combined to prepare macroporous CaCu3Ti4O12thin films by pulsed laser deposition onto poly(methyl methacrylate) (PMMA) microsphere templated substrates. These films showed remarkably enhanced gas sensiti...
Seiichiro Itami, Takeo Hyodo, Yasuhiro Shimizu, Makoto Egashira
IEEJ Transactions on Sensors and Micromachines   126(8) 492-493   Jan 2006
Simultaneous surface modifications of SnO2 powder with Pt-loading and mesoporous SnO2 (m-SnO2) layer-coating have been conducted. The sensors fabricated with the powders prepared with the Pt-loading and subsequent modification with the m-SnO2 laye...
Large Mesoporous Tin Dioxide Powders for Gas Sensor Materials -Effects of Various Additives on the Mesostructure and the H2 Sensing Properties-
T. Hyodo, K. Murayama, Y. Shimizu, M. Egashira
Rare Metal Materials and Engineering   35(Supple 3) 455-458   2006
K. Kodama, K. Kodama, T. Hyodo, Y. Shimizu, M. Egashira
Materials Research Society Symposium Proceedings   847 339-344   Dec 2005
Composites of low density polyethylene (LDPE) and 40 wt% Mg(OH)2modified with several kinds of polysiloxane oils were prepared in order to evaluate the effect of the surface modification of Mg(OH)2on the mechanical properties and oxygen index of t...
Yasuhiro Shimizu, Ayami Jono, Takeo Hyodo, Makoto Egashira
Sensors and Actuators, B: Chemical   108(1-2) 56-61   Jul 2005
Large mesoporous SnO2powders have been prepared by employing SnCl2·H2O as an Sn-source and the self-assembly of a triblock copolymer as a surfactant. Large mesoporous structure along with a sharp pore size distribution around 4 nm and a crystallit...
Hiroshi Miyazaki, Takeo Hyodo, Yasuhiro Shimizu, Makoto Egashira
Sensors and Actuators, B: Chemical   108(1-2) 467-472   Jul 2005
Porous oxide thin films were prepared by anodic oxidation of a Ti plate in H2SO4and HF solutions. The film (s-TiO2) prepared in the H2SO4solution was a mixture of anatase and rutile and contained micron-size pores. In contrast, no crystal phase ap...
Makoto Egashira, Yasuhiro Shimizu, Takeo Hyodo
Materials Research Society Symposium Proceedings   828 3-12   Jun 2005
Preparation, characterization and gas-sensing properties of (1) mesoporous SnO2 (m-SnO2), (2) conventional SnO2 (c-SnO2) modified with m-SnO2 and (3) porous SnO 2 thick films with ordered submicron-size pores (p-SnO2) were described. Thermally sta...
Takeo Hyodo, Kazuhiro Sasahara, Yasuhiro Shimizu, Makoto Egashira
Sensors and Actuators, B: Chemical   B106(2) 580-590   May 2005
Macroporous SnO2(mp-SnO2(P-n); P means polymethylmethacrylate (PMMA) and n = diameter of PMMA microsphere) thick film gas sensors were fabricated by a modified sol-gel method by employing PMMA microspheres (n = 800, 400, 250 and 150 nm) as a templ...
Yasuhiro Shimizu, Kenichi Tsumura, Takeo Hyodo, Makoto Egashira
IEEJ Transactions on Sensors and Micromachines   125(2) 70-74   Jan 2005
Effect of metal loading on the H2 sensing properties of semiconductor gas sensors prepared by the SnO2 powders modified with a mesoporous SnO2 layer has been investigated. Metal loading on the SnO2 powder prior to the modification with the mesopor...
Effects of Surface Modification of Mg(OH)2 With Polysiloxane Oil and Silica Additive on the Flame Retardancy and Mechanical Properties of LDPE-Mg(OH)2 Composites
K. Kodama, T. Hyodo, Y. Shimizu, M. Egashira
Materials Research Society Symposium Proceedings (Organic/Inorganic Hybrid Materials)   847 339-344   2005
Yasuhiro Shimizu, Kenichi Tsumura, Takeo Hyodo, Makoto Egashira
Proceedings - Electrochemical Society   8 103-108   Dec 2004
Effect of metal loading on the H2 sensing properties of semiconductor gas sensors prepared by the SnO2 powders modified with a mesoporous SnO2 layer has been investigated. Metal loading on the SnO2 powder prior to the modification with the mesopor...
Takako Ishibashi, Takeo Hyodo, Yasuhiro Shimizu, Makoto Egashira
Proceedings - Electrochemical Society   8 28-35   Dec 2004
Macroporous SnO2 thick films have been prepared by a colloidal crystal templating method with polymethylmethacrylate (PMMA) micropheres and SnCl2·2H2O as a tin source. When 870 nm PMMA microspheres were used, triblock copolymer (P123) in the form ...
Takeo Hyodo, Takeo Hyodo, Joshua L. Hertz, Harry L. Tuller
Proceedings - Electrochemical Society   0 10-16   Dec 2004
Preparation of macroporous noble metal (Pt and Au) films was attempted by r.f. magnetron sputtering employing polymethylmethacrylate (PMMA) microsphere film templates. The macroporous arrangement of Pt and Au hemispheres derived from PMMA microsph...
Takeo Hyodo, Katsuhiko Maeda, Takahiro Ito, Kazuhiro Sasahara, Yasuhiro Shimizu, Makoto Egashira
Journal of Electroceramics   13(1-3) 519-524   Jul 2004
Effects of fabrication conditions on the microstructure of thick BaTiO3films have been investigated by employing slide-off transfer printing technique. Formation of dense films with good adhesive properties was difficult when screen-printing was e...
Yasuhiro Shimizu, Ayami Jono, Takeo Hyodo, Makoto Egashira
Electrochemistry   72 399-401   Jun 2004
Large mesoporous SnO2 powders have been prepared from SnCl 4 · 5H2O by a templating method using a triblock copolymer as a surfactant. Ethanol-rinsing of resulting precipitates resulted in formation of large mesoporous SnO2 powder having a broad p...
Yasuhiro Shimizu, Takeo Hyodo, Makoto Egashira
Catalysis Surveys from Asia   8(2) 127-135   Jun 2004
The present article reviews our latest studies directed to improving gas sensing properties of semiconductor metal oxides, SnO2and TiO2, by controlling their porous structure in the range of nano- to micro-meter size. Thermally stable mesoporous o...
Yasuhiro Shimizu, Yuka Nakamoto, Takeo Hyodo, Makoto Egashira
Electrochemistry   72(2) 92-97   Feb 2004
Ability of several ceramic triggers to generate plasma has been investigated upon irradiation of 2.45 GHz microwave in pure water and in an aqueous solution of dichloroacetic acid or β-naphthol. After the liquids started boiling due to absorption ...
Takayuki Kato, Takayuki Kato, Hitoshi Ushijima, Makoto Katsumata, Takeo Hyodo, Yasuhiro Shimizu, Makoto Egashira
Journal of the American Ceramic Society   87(1) 60-67   Jan 2004
Core/shell structures have been prepared via a mechanofusion system by employing several kinds of spherical polymers as a core material and Al2O3powder or a mixture of Al2O3and SiO2powders as a shell material. The effect of the kind of core polyme...
Yasuhiro Shimizu, Takeo Hyodo, Makoto Egashira
Journal of the European Ceramic Society   24(6) 1389-1398   Jan 2004
A fabrication procedure of thermally stable mesoporous SnO2and TiO2powders has been overviewed along with their gas-sensing properties. Treatment of an as-prepared composite material of a supramolecule surfactant and SnO2, i.e. a self-assembly of ...
Shuhei Ohya, Takeo Hyodo, Yasuhiro Shimizu, Makoto Egashira
Journal of the Ceramic Society of Japan   112(1311) 619-622   Jan 2004
Colloidal crystal template films have been prepared on a Pt-sputtered Si substrate by a dip-coating method with suspensions containing 870 nm polymethylmethacrylate (PMMA) microspheres. The mostly-packed PMMA template films could be obtained from ...
Kazuhiro Sasahara, Takeo Hyodo, Yasuhiro Shimizu, Makoto Egashira
Journal of the European Ceramic Society   24(6) 1961-1967   Jan 2004
Macroporous ceramic thick films consisting of nanosized particles have been fabricated successfully by a modified sol-gel method employing polymethylmethacrylate (PMMA) microspheres as a template. PMMA microspheres with a uniform particle size (me...
Effect of Metal Loading on H2 Sensing Properties of SnO2 Modified with Mesoporous SnO2
Y. Shimizu, K. Tsumura, T. Hyodo, M. Egashira
Chemical Sensors VI: Chemical and Biological Sensors and Analytical Methods, Vol. 2004-08 (Proc. of 2004 Joint International Meeting of The Electrochemical Society and The Electrochemcial Society of Japan), Oct. 3-8, Honolulu, USA   2004-08 103-108   2004
Preparation of Macroporous SnO2 Thick Films and Their Application to Sensor Materials
T. Ishibashi, T. Hyodo, Y. Shimizu, M. Egashira
Chemical Sensors VI: Chemical and Biological Sensors and Analytical Methods, Electrochemical Society Proc. Vol. 2004-08 (Proc. of 2004 Joint International Meeting of The Electrochemical Society and The Electrochemical Society of Japan, Oct. 3-8, Honolu・・・   2004-08 28-35   2004
Chemical Sensors VI: Chemical and Biological Sensors and Analytical Methods, Electrochemical Society Proc. Vol. 2004-08 (Proc. of 2004 Joint International Meeting of The Electrochemical Society and The Electrochemical Society of Japan, Oct. 3-8, H...
Preparation of Thermally Stable Large Mesoporous SnO2 Powders by Employing a Triblock Copolymer
Y. Shimizu, A. Jono, T. Hyodo, M. Egashira
Electrochemistry   72(6) 399-401   2004
T. Hyodo, Y. Mitsuyasu, Y. Shimizu, M. Egashira
J. Ceram. Soc. Jpn. Supplement 112-1, PacRim 5 Special Issue   112(5) 540-545   2004
Decomposition of Organic Compounds by Microwave-induced Plasama in Liquid Phase
Y. Shimizu, Y. Nakamoto, T. Hyodo, M. Egashira
Electrochemistry   72(2) 92-97学術雑誌   2004
T. Hyodo, Y. Mitsuyasu, Y. Shimizu, M. Egashira
J. Ceram. Soc. Jpn. Supplement 112-1, PacRim 5 Special Issue   112-1 S540-S545   2004
Yasuhiro Shimizu, Hiromichi Inada, Takeo Hyodo, Makoto Egashira
Electrochemistry   71(10) 860-865   Oct 2003
Decomposition behavior of chlorinated aromatics, such as monochlorobenzene, o-dichlorobenzene, and o-chlorophenol by microwave-induced (MI) Ar plasma generated from SiC ceramics has been investigated under atmospheric pressure, and was compared wi...
Takeo Hyodo, Kazuhiro Sasahara, Yasuhiro Shimizu, Makoto Egashira
Key Engineering Materials   247 423-426   Sep 2003
Macroporous ceramic thick films of SnO2 TiO2, and MgO have been fabricated successfully by a modified sol-gel method employing polymethylmethacrylate (PMMA) microspheres as a template. After PMMA microspheres with a uniform particle size (mean dia...
Makoto Egashira, Takayuki Kato, Takeo Hyodo, Yasuhiro Shimizu
Key Engineering Materials   247 427-432   Sep 2003
Hollow alumina microspheres with various diameters were prepared by using mechano-fusion and ultrasonic spray pyrolysis followed by calcination in air. Core/shell-type hybrid particles, polymethylmethacryrate (PMMA) microspheres (diameter (d): 10 ...
Teppei Iwanaga, Takeo Hyodo, Yasuhiro Shimizu, Makoto Egashira
Sensors and Actuators, B: Chemical   B93(1/3) 519-525   Aug 2003
TiO2thin films have been prepared by anodic oxidation of Ti plates at different temperatures, and H2sensing properties of the obtained TiO2thin film sensors equipped with a Pt and Ti electrode have been investigated both in air and N2under forward...
Takeo Hyodo, Shunji Abe, Yasuhiro Shimizu, Makoto Egashira
Sensors and Actuators, B: Chemical   B93(1/3) 590-600   Aug 2003
Mesoporous structure and gas-sensing properties of SnO2powders prepared by utilizing the self-assembly of a cationic surfactant under different conditions have been investigated. As-prepared SnO2powders were characterized with ordered and hexagona...
Takeo Hyodo, Yoshiaki Tominaga, Takashi Yamaguchi, Akihiko Kawahara, Hiroaki Katsuki, Yasuhiro Shimizu, Makoto Egashira
Electrochemistry   71 481-484   Jun 2003
NOx sensing properties of semiconductor heterolayer sensors fabricated by slide-off transfer printing have been investigated. A WO3 single layer sensor showed much higher sensitivity to NO2 than that to NO. Loading of Ru or Pt on the surface of WO...
Chunying Yu, Chunying Yu, Takeo Hyodo, Yasuhiro Shimizu, Makoto Egashira
Electrochemistry   71 475-480   Jun 2003
TiO2powder was prepared by employing a modified sol-gel method with Ti(NO3)4and polyethylene glycol having an average molecular weight of 6000. The as-prepared powder was in anatase phase with a crystallite size of 4.4 nm, and showed a high specif...
Takeo Hyodo, Yasuhiro Shimizu, Makoto Egashira
Electrochemistry   71(6) 387-393   Jun 2003
Preparation, characterization and gas-sensing properties of mesoporous SnO2powders have been described. SnO2powders prepared from sodium stannate by utilizing a self-assembly of n-cetylpyridinium chloride were characterized to have hexagonally ord...
Y. Shimizu, Chunying Yu, T. Hyodo, M. Egashira
TRANSDUCERS 2003 - 12th International Conference on Solid-State Sensors, Actuators and Microsystems, Digest of Technical Papers   1 536-539   Jan 2003
© 2003 IEEE. TiO2powder was prepared by employing a modified sol-gel method with Ti(NO3)4and polyethylene glycol (average molecular weight: 6000, PEG6000). The as-prepared powder was in anatase phase with a crystallite size of 4.4 nm, and showed a...
Effects of Electrode Materials and Oxygen Partial Pressure on the Hydrogen Sensing Properties of Anodically Oxidized Titanium Dioxide Films
T. Hyodo, T. Iwanaga, Y. Shimizu, M. Egashira
ITE Letters on Batteries, New Technologies & Medicine   4(5) 594-597   2003
G. S. Devi, T. Hyodo, Y. Shimizu, M. Egashira
Proceedings of SPIE - The International Society for Optical Engineering   5062 106-110   Dec 2002
A simple procedure has been employed for synthesis of ultra fine nanosized mesoporous TiO2in the anatase and both phases (i.e. anatase and rutile) using polyethylene glycol (PEG) as gelling, dispersion and filming agent in aqueous media. Inorganic...
Takayuki Kato, Hitoshi Ushijima, Makoto Katsumata, Takeo Hyodo, Yasuhiro Shimizu, Makoto Egashira
Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals   376 101-106   Dec 2002
Core/shell microspheres of polymethylmethacrylate (PMMA) coated with Al2O3 were successfully fabricated by a mechanofusion system. The microshperes were subjected to calcination to give hollow Al 2O3 microspheres. The Al2O3 shell structure was des...
G. Sarala Devi, G. Sarala Devi, Takeo Hyodo, Yasuhiro Shimizu, Makoto Egashira
Sensors and Actuators, B: Chemical   B87(1) 122-129   Nov 2002
Ordered mesoporous TiO2powders have been prepared by employing a modified sol-gel method with Ti(NO3)4and polyethylene glycol (PEG) having different molecular weights (MWs). Gel powder heat treated at 100 °C was crystallized in a mixture of anatas...
T. Kato, H. Ushijima, M. Katsumata, T. Hyodo, Y. Shimizu, M. Egashira
Journal of Materials Science   37(11) 2317-2321   Jun 2002
Core/shell microspheres of polymethylmethacrylate coated with Al2O3or a mixture of Al2O3and SiO2nanoparticles have been successfully prepared by a mechanofusion system. The microspheres were then subjected to removal of PMMA by firing in air, foll...
Takeo Hyodo, Norihiro Nishida, Yasuhiro Shimizu, Makoto Egashira
Sensors and Actuators, B: Chemical   B83(1/3) 209-215   Mar 2002
Ordered mesoporous SnO2was prepared from sodium stannate by utilizing the self-assembly of a cationic surfactant (n-cetylpyridinium chloride (C16PyCl)) and its thermal stability was improved by the treatment with phosphoric acid (PA) prior to calc...
Yasuhiro Shimizu, Naoki Kuwano, Takeo Hyodo, Makoto Egashira
Sensors and Actuators, B: Chemical   B83(1/3) 195-201   Mar 2002
TiO2films with nanoholes have been prepared by anodic oxidation of a Ti plate in a H2SO4solution. The TiO2film sensor equipped with Pd and Ti electrodes exhibited a diode-type current-voltage characteristic in air, but nearly ohmic behavior in H2b...
Kato Takayuki, Tashiro Masamutsu, Sugimura Keigo, Hyodo Takeo, Shimizu Yasuhiro, Egashira Makoto
Journal of the Ceramic Society of Japan   110(1279) 146-148   Jan 2002
Alumina microspheres have been prepared by spray pyrolysis of Al (NO3)3aqueous solutions by adjusting the flow rate of air as a carrier gas and the concentration of Al (NO3)3. A mixture of hollow α-Al2O3microspheres in the range of 200-700 nm in d...
Y. Shimizu, K. Ogawa, Y. Akai, T. Hyodo, Y. Takao, M. Egashira
Electrochemistry   69(7) 508-515   Jul 2001
Behavior of microwave-induced (MI) Ar plasma generated from SiC ceramics in flowing Ar containing trichloroethylene (TCE) or trichlorotrifluoroethane (CFC 113) and the decomposition of TCE and CFC 113 by MI Ar plasma have been investigated systema...
Yasuhiro Shimizu, Nobukuni Nakashima, Takeo Hyodo, Makoto Egashira
Journal of Electroceramics   6(3) 209-217   Jul 2001
NOxsensing properties of SnO2-xCr2O3as a varistor-type gas sensor have been investigated in the temperature range of 200-600°C. The breakdown voltage of SnO2shifted to a higher electric field upon exposure to NO2at 300-500°C, and the largest break...

Misc

 
VOC-Sensing Mechanism of Adsorption/Combustion-Type Gas Sensors: Investigation Based on VOC-Oxidation Activities of Catalytic Materials II
Takeo Hyodo, Takeru Hiura, Kazunori Nagae, Kai Kamada, Taro Ueda, and Yasuhiro Shimizu
Chemical Sensors   35(A) 88-90   Mar 2019
VOC-SENSING PROPERTIES OF YSZ-BASED GAS SENSORS ATTACHED WITH Au-BASED ELECTRODES: PREPARATION OF SENSING ELECTRODES BY A DROP-COATING METHOD AND EVALUATION OF THE SENSORS
Taro UEDA, Satoshi ONO, Takayuki SUZUKI, Kai KAMADA, Takeo HYODO and Yasuhiro SHIMIZU
Chemical Sensors   35(A) 88-90   Mar 2019
DEVELOPMENT OF IS-FET-BASED SENSORS FOR DIAGNOSIS OF OIL DETERIORATION
Mioko TSURUOKA, Taro UEDA, Kai KAMADA, Takeo HYODO and Yasuhiro SHIMIZU
Chemical Sensors   34(B) 19-21   Sep 2018
EFFECTS OF HEXAMETHYLDISILOXANE ON SENSING PROPERTIES OF SEMICONDUCTOR GAS SENSORS TO INFLAMMABLE GASES
Takeo HYODO, Hiroto FUKURA, Katsuya OKAYASU, Atsushi MAMMOTO, Kai KAMADA, Taro UEDA, and Yasuhiro SHIMIZUeo
Chemical Sensors   34(B) 73-75   Sep 2018
VOC-SENSING MECHANISM OF ADSORPTION/COMBUSTION-TYPE GAS SENSORS: INVESTIGATION BASED ON VOC-OXIDATION ACTIVITY OF CATALYTIC MATERIALS
Takeo HYODO, Takeru HIURA, Kazunori NAGAE, Kai KAMADA, Taro UEDA, and Yasuhiro SHIMIZU
Chemical Sensors   34(B) 94-96   Sep 2018
DEVELOPMENT OF HIGHLY SENSITIVE DIODE-TYPE HYDROGEN SENSORS USING NOBLE-METAL ELECTRODES –EFFECTS OF Au COATING ON Pt ELECTRODES–
Toshiro OKUSA, Wataru SAKATA, Taro UEDA, Kai KAMADA, Takeo HYODO, and Yasuhiro SHIMIZU
Chemical Sensors   34(A) 79-81   Mar 2018
VOC-SENSING PROPERTIES OF OXIDE SEMICONDUCTOR SENSORS OPERATED UNDER UV-LIGHT IRRADIATION
Takeo HYODO, Toshinobu AOMATSU, Kai KAMADA, Taro UEDA, and Yasuhiro SHIMIZU
Chemical Sensors   34(A) 88-90   Mar 2018
CO-SENSING PROPERTIES OF POLYMER ELECTLYTE-TYPE GAS SENSORS USING METAL-OXIDE SENSING ELECTRODES
Mari TAKAMORI, Taro UEDA, Kai KAMADA, Takeo HYODO and Yasuhiro SHIMIZU
Chemical Sensors   33(B) 7-9   Sep 2017
VOC-SENSING PROPERTIES OF ADSORPTION/COMBUSTION-TYPE GAS SENSORS UTILIZING MESOPOROUS ALUMINA CO-LOADED WITH NOBLE METAL AND METAL OXIDE AS A CATALYST
Takeo HYODO, Kazunori NAGAE, Takahiko SASAHARA, Kai KAMADA, Taro UEDA, and Yasuhiro SHIMIZU
Chemical Sensors   33(B) 31-33   Sep 2017
IMPROVEMENT OF CO-SENSING PROPERTIES OF SOLID-ELECTROLYTE GAS SENSORS USING NASICON −EFFECTS OF OXIDE ADDITION TO THE Pt SENSING ELECTRODE ON THE CO-SENSING PROPERTIES II−
Taro UEDA, Yuri OSUMI, Kai KAMADA, Takeo HYODO and Yasuhiro SHIMIZU
Chemical Sensors   33(B) 1-3   Sep 2017
Noble metal (Pt or Au)-loaded metal-oxide electrodes for potentiometric CO sensors using an anion-conducting polymer as an electrolyte
Takeo Hyodo, Toshiyuki Goto, Mari Takamori, Kuniyuki Izawa, Kai Kamada, Taro Ueda, and Yasuhiro Shimizu
Proceedings of The 16th International Meeting on Chemical Sensors (IMCS2016), Jul. 10?14, Jeju, Korea   4.2.1 IA-019   Jul 2016
Taro Ueda, Hironari Abe, Kai Kamada, Sean R. Bishop, Harry L. Tuller, Takeo Hyodo, and Yasuhiro Shimizu
Proceedings of The 16th International Meeting on Chemical Sensors (IMCS2016), Jul. 10-14, Jeju, Korea   4.1.6 125   Jul 2016
Diode-type H2 Sensors Using Anodized TiO2 Films -Structural and Compositional Controls of Pd and Pt Electrodes-
Abstracts of the 13th International Meeting on Chemical Sensors      2010
Tomonori Tsumura, Takeo Hyodo and Yasuhiro Shimizu
Abstracts of the 13th International Meeting on Chemical Sensors   9(2) 646-650   2010
Effects of Porous Structure of the Auxiliary Electrode on the CO2 Sensing Properties of a NASICON-based Sensor
0 32-33   2008
Microstructural effects of mesoporous SnO2 powders on their H2 sensing properties
0 81-82   2008
Gas-sensing Properties of SnO2 Powders Treated with Phosphoric Acid
CD 135-136   2008
NO2 Sensing Properties of In2O3-based Powders with Submicron-sized Macropores
CD 338-339   2008
Gas-sensing Properties of SnO2 Powders Treated with Phosphoric Acid
1 135-136   2008
NO2 Sensing Properties of In2O3-based Powders with Submicron-sized Macropores
1 338-339   2008
Preparation of Meso- and Macro-porous SnO2 for Gas Sensor Application
24(B) 55-57   2008
Improvement of Sensing Properties of Semiconductor Gas Sensors by Meso- and Macro-porous Structural Control
2007(CD) 1-10   2007
Improvement of Sensing Properties of Semiconductor Gas Sensors by Meso- and Macro-porous Structural Control
CD 1-10   2007
Avner Rothschild, Il Doo Kim, Takeo Hyodo, Harry L. Tuller
2006 NSTI Nanotechnology Conference and Trade Show - NSTI Nanotech 2006 Technical Proceedings   0 0-0-280   Dec 2006
Chemical and physical synthesis routes were combined to prepare macroporous thin films of semiconducting metal-oxides such as CaCu3Ti4O12and TiO2by pulsed laser deposition onto poly(methyl methacrylate) (PMMA) and poly(styrene) (PS) microsphere te...
Fabrication of Porous Hydroxyapatite-based Hollow Microspheres by Employing Core/Shell Composites of PMMA/Hydroxyapatite and Sol-gel Process
1 165-168   2006
Electromagnetic Wave Absorption Properties of Carbonyl Iron-Ferrite/PMMA Composites Fabricated by Hybridization Method
1 171-174   2006
Important Factors Affecting H2 Sensing Performance of Pd/TiO2 Diode-type Sensors
1 AP077M-AP077M   2006
Preparation of porous tin dioxide particles by ultrasonic spray pyrolysis and their application to sensor materials
1 AP100M-AP100M   2006
Mechano-processing for Preparation of Hydroxyapatite Hollow Microspheres and Porous Ceramics
_ 34-34   2006
Takeo Hyodo, Junji Ohoka, Yasuhiro Shimizu, Makoto Egashira
Digest of Technical Papers - International Conference on Solid State Sensors and Actuators and Microsystems, TRANSDUCERS '05   2 1892-1895   Nov 2005
H2 sensing properties of an anodically oxidized Nb 2O2 film coupled with a noble metal electrode (M/Nb 2O5, M: Au, Pt and Pd) have been investigated under various operating conditions. Among the sensors tested, the Nb2O 5 film with a Pd electrode,...
Takeo Hyodo, Masayuki Murakami, Yasuhiro Shimizu, Makoto Egashira
Journal of the European Ceramic Society   25(16) 3563-3572   Nov 2005
Hollow alumina microspheres have been prepared by microwave-induced (MI) plasma pyrolysis of atomized aerosols of precursor solutions and subsequent calcination at 1300 °C for 2 h. When an aqueous solution of 0.5 mol dm-3Al(NO3)3without any additi...
Huankiat Seh, Takeo Hyodo, Harry L. Tuller
Sensors and Actuators, B: Chemical   108(1-2) 547-552   Jul 2005
Diesel engines, generating harmful NOx, will be subjected to legislation that stipulates large reductions in emission levels beginning in 2007. For controlling emissions, a NOxsensor is needed to provide feedback to the engine management system. I...
Preparation of Macroporous Ceramic Films by Pulsed Laser Deposition and Their Electrochemical Properties
Takeo Hyodo, Il-Doo Kim and Harry L. Tuller
Proceedings of the 5th Asian Conference on Electrochemistry (ACEC2005), May 10-12, Shanghai, China   0 O-2-5-O-2-5   2005
Preparation of Macroporous Europium-doped Tin Dioxide Thick Film and Their Optical Properties
Takako Ishibashi, Takeo Hyodo, Yasuhiro Shimizu and Makoto Egashira
Proceedings of the 5th Asian Conference on Electrochemistry (ACEC2005), May 10-12, Shanghai, China   0 2P10-2P10   2005
Nanotechnology for Robust Sensor Device Technology
Harry L. Tuller, Avner Rothschild, Takeo Hyodo, Huankiat Seh, Il-Doo Kim
Proceedings of International Symposium for Advanced Sensor Technologies, June 10, Tokyo, Japan   0 9-16   2005
Design of hetero-layered oxide films by slide-off transfer printing for detecting various inflammable gases -Stacking effect of mesorposous SnO2-
1 AP066M-AP066M   2005
Development of Functional Nano-hybrid Particles
Shuichi Kimura, Takayuki Kato, Takeo Hyodo, Yasuhiro Shimizu and Makoto Egashira
1 73-74   2005
Mesoporous Tin Dioxide Powders for Semiconductor Gas Sensor Materials -Effects of Various Additives on the Mesostructure and the H2 Sensing Properties-
1 114-115   2005
Role of Noble Metals in Sensing Performance of SnO2 Sensors Modified with Mesoporous SnO2 Layer
1 177-178   2005
Design of Heterolayered Smiconductor-type Sensors for Large Benzene Response
1 433-434   2005
Synergy Effect of Noble Metal-loading and Surface Modification with Mesoporous SnO2 on the Gas-sensing Properties of SnO2
1 540-541   2005
Meso- to Marco-Porous Oxides as Semiconductor Gas Sensors
1 51-61   2004
Catalytic Oxidation of Propylene Assisted by Microwave-induced Plasma
1 285-288   2004
Effects of Microwave-induced Plasma Activation on the Catalytic Water-gas Shift Reaction
1 289-292   2004
Hydrogen Sensing Properties of Anodically Oxidized TiO2 Film Sensors -Effects of Preparation and Pretreatment Conditions-
20(B) 156-157   2004
Bulk Acoustic Wave Resonator as a Sensing Platform for NOx at High Temperatures
Huankiat Seh, Takeo Hyodo and Harry L. Tuller
Chemical Sensors (Technical digest of the 10th International Meeting on Chemical Sensors, July 11-14, Tsukuba, Japan)   20(B) 268-269   2004
Preparation of Large Mesoporous SnO2 Powder for Gas Sensor Application
20(B) 148-149   2004
Porous Barium Carbonate Film on Resonator for NO2 Detection at High Temperatures
Huankiat Seh, Takeo Hyodo and Harry L. Tuller
Proceedings of MIT-Tohoku "21COE" Joint Workshop on Nano-Science in Energy Technology, Sept. 27-28, 2004, MIT, Cambridge, MA, USA   0 O-07-1-O-07-1   2004
Nano-Materials for Gas Sensors
1 75-81   2003
Nanostructured titania (TiO2) as hydrogen gas sensor
G. S. Devi, Takeo Hyodo, Yasuhiro Shimizu and Makoto Egashira
Proceedings of SPIE-The International Society for Optical Engineering, 5062 (Pt. 1, Smart Materials, Structures, and Systems, Prrt 1)   0 106-110   2003
Nanostructured titania (TiO2) as hydrogen gas
1 106-110   2003
Formation Mechanism of aluminum Nitride Powder via Organic Precursor Prepared from Anhydrous Aluminum Chloride and Ethylenediamine
32(59) 185-190   2002
Formation Mechanism of Aluminum Nitride Powder via Organic Precursor Prepared from Anhydrous Aluminum Chloride and Ethylenediamine
32(59) 185-190   2002
Preparation of Ordered Macroporous Ceramic Films Using PMMA Microspheres as Templates
1(0) 423-426   2002
Preparation of Hollow Alumina Microspheres by Mechanofusion and Ultrasonic Spray Pyrolysis
1(0) 427-432   2002
Optimization of Preparation Conditions of Mesoporous Tin Dioxide as a Semiconductor Gas Sensor Material
1 148-149   2002
T. Yamano, T. Hyodo, Y. Shimizu, M. Egashira
ACS National Meeting Book of Abstracts   41    Dec 2001
The potential use of the microwave-induced (MI) plasma generated under 1 atm was studied for simultaneous decomposition or removal of NOxand carbon-based particulates in the exhaust gases from diesel engines and power generators. The conversion of...
Decomposition of Monochlorobenzene by Microwave-Induced Plasma Generated from SiC Ceramics under Atmospheric Pressure
1 24-26   2001
High H2 Sensing Performance of Anodically Oxidized TiO2 Film Contacted with Pd
1 1738-1741   2001
Preparation of Thermally Stable Mesoporous Tin Oxide as a Semiconductor Gas Sensor Material
1 816-819   2001
High H2 Sensing Performance of Anodically Oxidized TiO2 Film Contacted with Pd
Y. Shimizu, N. Kuwano, T. Hyodo, M. Egashira
Digests of the 11th International Conference on Solid-State Sensors and Actuators (Transducers '01, Eurosensors XV), Munich, Germany, Jun. 10-14   0 1738-1741   2001
Novel Approaches to High Performance Semiconductor Gas Sensor Materials
1 7-8   2001
Gas-Sensing Properties of Semiconductor Metal Oxides to Benzene and Chlorobenzene
1 321-323   2001
Preparation of Mesoporous TiO2 for Sensor Application
1 291-293   2001
NOx Sensing Properties of Cr2O3-SnO2 Sensors Fabricated by Slide-Off Transfer Printing
17(B) 282-284   2001
Decomposition of CFC113 by Microwave-Induced Plasma
1 26-28   2000
NOx Sensing Properties of SnO2-Cr2O3 Varistor-type Gas Sensors
1 107-112   1999
An Approach to Control the Potential Barrier Heights of Semiconductor Gas Sensors
1 113-116   1999
Correlation between Methylmercaptan Gas-Sensing Properties and Its Surface Chemistry of SnO2-Based Sensor Materials
0 153-156   1998
NOx Gas Sensing Properties and Mechanism of ZnO-Based Varistor-Type Gas Sensors
16 153-156   1998
Correlation between Methylmercaptan Gas-Sensing Properties and Its Surface Chemistry of SnO2-Based Sensor Materials
Yasuhiro Shimizu, Sinji Kai, Yuji Takao, Takeo Hyodo and Makoto Egashira
0 470-472   1998
Correlation between Methylmercaptan Gas-Sensing Properties and Its Surface Chemistry of SnO2-Based Sensor Materials
1 470-472   1998
Mn-Based Perovskite-Type Oxides as Electrode Catalysts for Oxygen Reduction in Alkaline Solution
Takeo Hyodo, Masahiko Hayashi, Norio Miura and Noboru Yamazoe
Proceeding of the 6th Tohwa University International Symposium   0 127-132   1996
Investigation of Materials for Gas Diffusion-Type Oxygen Cathode Aiming at Electric Power-Saving Brine Electrolysis
Takeo Hyodo, Youichi Shimizu, Norio Miura, Noboru Yamazoe
DENKI KAGAKU (Presently Electrochemistry)   62(2) 158-164   1994
Perovskite-Type Oxides as Bi-Functional Oxygen Electrode Catalysts
Akiyoshi Nemoto, Takeo Hyodo, Youichi Shimizu, Norio Miura and Noboru Yamazoe
Proceedings of the First Korea-Japan Joint Seminar on Electrochemistry   0 189-/,189   1993

Conference Activities & Talks

 
Microstructural and compositional design of sensing electrodes for solid-electrolyte gas sensors [Invited]
Takeo Hyodo, Taro Ueda, and Yasuhiro Shimizu
The 22nd International Conference on Solid State Ionics (SSI-22)   16 Jun 2019   
We have already demonstrated that the introduction of well-developed macropores into the gas-sensing layer by utilizing a polymethylmethacrylate (PMMA) microsphere film as a template was quite effective in improving the gas-sensing properties of v...
VOC-SENSING MECHANISM OF ADSORPTION/COMBUSTION-TYPE GAS SENSORS: INVESTIGATION BASED ON VOC-OXIDATION ACTIVITIES OF CATALYTIC MATERIALS II
Takeo HYODO, Takeru HIURA, Kazunori NAGAE, Kai KAMADA, Taro UEDA,
The 65th Chemical Sensor Symposium   27 Mar 2019   
VOC-SENSING PROPERTIES OF YSZ-BASED GAS SENSORS ATTACHED WITH Au-BASED ELECTRODES: PREPARATION OF SENSING ELECTRODES BY A DROP-COATING METHOD AND EVALUATION OF THE SENSING PROPERTIES
Taro UEDA, Satoshi ONO, Takayuki SUZUKI, Kai KAMADA, Takeo HYODO, and Yasuhiro SHIMIZU
The 65th Chemical Sensor Symposium   27 Mar 2019   
Adsorption/combustion-type micro VOC sensors: A study based on catalytic combustion and adsorption/desorption behavior of VOCs [Invited]
Takeo Hyodo and Yasuhiro Shimizu
Sino-German Symposium on Intelligent Gas Sensors: Principles and Applications   11 Dec 2018   
Adsorption/combustion-type micro gas sensors excel at detecting a low concentration of volatile organic compounds (VOCs). The sensor structure is similar to that of general catalytic combustion-type gas sensors, but the gas-sensing concept is quit...
VOC-SENSING MECHANISM OF ADSORPTION/COMBUSTION-TYPE GAS SENSORS: INVESTIGATION BASED ON VOC-OXIDATION ACTIVITY OF CATALYTIC MATERIALS
Takeo HYODO, Takeru HIURA, Kazunori NAGAE, Kai KAMADA, Taro UEDA, and Yasuhiro SHIMIZU
The 64th Chemical Sensor Symposium   25 Sep 2018   
EFFECTS OF HEXAMETHYLDISILOXANE ON SENSING PROPERTIES OF SEMICONDUCTOR GAS SENSORS TO INFLAMMABLE GASES
Takeo HYODO, Hiroto FUKURA, Katsuya OKAYASU, Atsushi MAMMOTO, Kai KAMADA, Taro UEDA, and Yasuhiro SHIMIZU
The 64th Chemical Sensor Symposium   25 Sep 2018   
DEVELOPMENT OF IS-FET-BASED SENSORS FOR DIAGNOSIS OF OIL DETERIORATION
Mioko TSURUOKA, Taro UEDA, Kai KAMADA, Takeo HYODO and Yasuhiro SHIMIZU
The 64th Chemical Sensor Symposium   25 Sep 2018   
Fabrication of inorganic nanosheets dissolved in organic solvents and their application for enzymatic organic synthesis
Kai Kamada, Taro Ueda, Takeo Hyodo, Yasuhiro Shimizu
The 31st Fall Meeting, The Ceramic Society of Japan   5 Sep 2018   
Preparation of Macroorous Oxide Films by General PVD Processes Employing PMMA Microsphere Templates
Jan 2008   
Microstructural effects of mesoporous SnO2 powders on their H2 sensing properties
2008   
Effects of Porous Structure of the Auxiliary Electrode on the CO2 Sensing Properties of a NASICON-based Sensor
2008   
Decomposition of Harmful Substances by Microwave-induced Plasma in Both Gas and Liquid Phases
Jul 2006   
Important Factors Affecting H2 Sensing Performance of Pd/TiO2 Diode-type Sensors
2006   
Design of Heterolayered Smiconductor-type Sensors for Large Benzene Response
Nov 2005   
Development of Functional Nano-hybrid Particles
Oct 2005   
Design of Anodically Oxidized Metal Oxide Films as a Gas Sensor Material
Jun 2005   
Preparation of Macroporous Europium-doped Tin Dioxide Thick Film and Their Optical Properties
May 2005   
Synergy Effect of Noble Metal-loading and Surface Modification with Mesoporous SnO2 on the Gas-sensing Properties of SnO2
2005   
Role of Noble Metalsw in Sensing Performance of SnO2 Sensors Modified with Mesoporous SnO2 Layer
2005   
Mesoporous Tin Dioxide Powders for Semiconductor Gas Sensor Materials -Effects of Various Additives on the Mesostructure and the H2 Sensing Properties-
2005   
Response Enhancement of Semiconductor Gas Sensors by Modification with Mesoporous Layer and Noble Metal Loading (Invitated)
2005   
Porous Tin Dioxide Materials for Gas Sensor Application
Nov 2004   
Meso- to Marco-Porous Oxides as Semiconductor Gas Sensors
Jul 2004   
Catalytic Oxidation of Propylene Assisted by Microwave-induced Plasma
Jul 2004   
Effects of Microwave-induced Plasama Activation on the Catalytic Water-gas Shift Reaction
Jul 2004   
Hydrogen Sensing Properties of Anodically Oxidized TiO2 Film Sensors -Effects of Preparation and Pretreatment Conditions-
2004   
Preparation of Large Mesoporous SnO2 Powder for Gas Sensor Application
2004   
Development of a New Preparation Method of Thermally Stable Mesoporous Titania and its Application of Gas Sensors,
Jun 2003   
Nano-materials for Gas Sensors
Mar 2003   
Nanostructured Titania (TiO2) as Hydrogen Gas Sensor
2003   
H2S Gas Sensors Based on Catalysed WO3 Nanocrystalline Powders
2003   
Nano-Materials for Gas Sensors, Proceedings of the 1st AIST International Workshop on Chmical Sensors
2003   
Optimization of Preparation Conditions of Mesoporous Tin Dioxide as a Semiconductor Gas Sensor Material
Jul 2002   
Nanostructured Semiconducting Oxides for Gas Sensor Application
2002   
Macroporous and Nanosized SnO2 Films Prepared by Modified Sol-Gel Method with PMMA Microsphere Templates
2002   
Nanostructured Semiconducting Oxides for Gas Sensor Application
2002   
H2 Sensing Properties and Mechanism of Anodically Oxidized TiO2 Film Contacted with Pd Electrode
2002   
Gas-sensing Properties of Semiconductor Metal Oxides to Benzene and Chlorobenzene
Dec 2001   
Novel Approaches to High Performance Semiconductor Gas Sensor Materials
Oct 2001   
Preparation of Mesoporous TiO2 for Sensor Application
2001   
NOx Sensing Properties of Cr2O3-SnO2 Sensors Fabricated by Slide-off Transfer Printing
2001   
Decomposition of NO by Microwave -Induced Plasma under Atmospheric Pressure
Dec 2000   
Decomposition of CFC113 by Microwave-Induced Plasma
Jan 2000   
Preparation of Core/Shell Microshperes of Poly(methyl methacrylate)/Alumina by Mechanofusion
2000   
Effects of Sensor Thickness and Adsorption Behavior of SOx Species on the Methylmercaptan Sensing Properties
2000   
Improvement of SO2 Sensing Properties of WO3 by Noble Metal Loading
2000   
Influenza Delle Modificazioni Superficiali Sulla Risposta a NO2 e H2 Di Sensori Di Tipo Varistore a Base Di SnO2
2000   
Improvement of SO2 Sensing Properties of WO3 by Noble Metal Loading
2000   
Application of Varistor-Type Gas Sensors for NOx Detection
2000   
Cooperative Decomposition of Trichlorotrifluoroethane by Microwave-Induced Plasma and Catalyst under Atmospheric Pressure
2000   
An Approach to Control the Potential Barrier Heights of Semiconductor Gas Sensors
Nov 1999   
NOx Sensing Properties of Various Varistor-Type Gas Sensors
May 1999   
Effect of Surface Modification on H2 and NO2 Sensing Properties of SnO2 Varistor-type Sensors
1999   
SO2 Adsorption Behavior on Semiconductor Metal Oxide Surfaces
1999   
Synthesis of TiN Utilizing Microwave-Induced-Plasma Generated from SiC Ceramics
Sep 1998   
Decomposition of Trichlorotrifluoroethane by Microwave-Induced-Plasma under Atmospheric Pressure
Sep 1998   
Gas-Sensing Mechanism of Varistor-Type Gas Sensors by A.C. Impedance Technique
Aug 1998   
CH3SH Gas Sensing Mechanism of SnO2-Based Sensors
1998   
Characterization of LiMO2 (M = Transition Metal) by A.C. Impedance Technique
1998   
Correlation between Methylmercaptan Gas-Sensing Properties and Its Surface Chemistry of SnO2-Based Sensor Materials
1998   
Correlation between Methylmercaptan Gas-Sensing Properties and Its Surface Chemistry of SnOCH2-Based Sensor Materials
1998   
NOx Gas Sensing Properties and Mechanism of ZnO-Based Varistor-Type Gas Sensors
1998   
Acetaldehyde Gas-Sensing Properties and Surface Chemistry of SnO2-Based Sensor Materials
1998   
Gas Diffusion-Type Oxygen Electrode Using Perovskite-Type Oxides for Metal-Air Batteries
Apr 1995   
Perovskite-Type Oxides as Bi-Functional Oxygen Electrode Catalysts
Nov 1993   

Teaching Experience

 
 

Works

 
O
2003

Research Grants & Projects

 
Preparation of Mesoporous Transition Metal Oxide
Project Year: 1999   
Oxygen reduction properties of perovskite-type oxides
The Other Research Programs
Project Year: 1992 - 1997
Development of high sensitive gas sensors
Project Year: 1997   
Decomposition of various Pollutant Gases by Utilizing Microwave-Induced Plasma
Project Year: 1997   

Patents

 
特許第6425309号 : CO sensor and method for manufacturing CO sensor
PCT No.: PCT/JP2014/066965 (2014. 6. 26),WO2015002060A1 (2015. 1. 8)
United States Patent, Application: US 20040828096 (2016. 6. 9)
中国特許
特許番号:ZL201480037890.1,特許出願日:2014年6月26日,登録広告日:2018年1月16日
US 9939404 : CO Sensors Having Electromotive Force Response
特許第6075872号 : CO sensors
特許US 7194891 : High-Temperature Gas Sensors