Kazuhiro Sayama

Profile Information

Affiliation: Prime Senior Researcher, Global Zero Emission Research Center (GZR), National Institute of Advanced Industrial Science and Technology

Degree: 博士(理学)

J-GLOBAL ID: 200901021030818488
researchmap Member ID: 0000044696

External link: http://www.aist.go.jp/RESEARCHERDB/cgi-bin/worker_detail.cgi?call=namae&rw_id=K06373767

Research Interests

Research Areas

Nanotechnology/Materials / Energy chemistry /

Education

Awards

1999

市村学術賞貢献賞

Papers

148

Selective Oxidation of Sulfuric Acid to Peroxydisulfuric Acid on a Tungsten Trioxide Anode

Hitoshi Kusama, Masanori Kodera, Kazuhiro Sayama

ChemistrySelect, Mar 28, 2023
Visible-light-driven nonsacrificial hydrogen evolution by modified carbon nitride photocatalysts

Shunta Nishioka, Kengo Shibata, Yugo Miseki, Kazuhiro Sayama, Kazuhiko Maeda

CHINESE JOURNAL OF CATALYSIS, 43(9) 2316-2320, Sep, 2022
Surface-modified, dye-sensitized niobate nanosheets enabling an efficient solar-driven Z-scheme for overall water splitting

Shunta Nishioka, Koya Hojo, Langqiu Xiao, Tianyue Gao, Yugo Miseki, Shuhei Yasuda, Toshiyuki Yokoi, Kazuhiro Sayama, Thomas E. Mallouk, Kazuhiko Maeda

SCIENCE ADVANCES, 8(32), Aug, 2022
Controlling the selectivity of solar O<sub>2</sub>/HClO production from seawater by simple surface modification of visible-light responsible photoelectrodes

Sayuri Okunaka, Yugo Miseki, Kazuhiro Sayama

Journal of the Ceramic Society of Japan, 130(7) 395-402, Jul 1, 2022
Insights into the carbonate effect on water oxidation over metal oxide photocatalysts/photoanodes

Hitoshi Kusama, Masanori Kodera, Koichi Yamashita, Kazuhiro Sayama

Physical Chemistry Chemical Physics, 2022
NaBr-Assisted Photoelectrochemical and Photochemical Integrated Process for Isomerization of Maleate Esters to Fumarate Esters

Hiroyuki Tateno, Yugo Miseki, Hitoshi Kusama, Shih-Yuan Chen, Takehisa Mochizuki, Kazuhiro Sayama

ACS Sustainable Chemistry & Engineering, 9(19) 6886-6893, May 17, 2021
A Na-containing Pt cocatalyst for efficient visible-light-induced hydrogen evolution on BaTaO2N

Huihui Li, Daling Lu, Shanshan Chen, Takashi Hisatomi, Junie Jhon M. Vequizo, Jiadong Xiao, Zheng Wang, Lihua Lin, Qi Xiao, Yuliang Sun …

Journal of Materials Chemistry A, 9(24) 13851-13854, Apr, 2021 Peer-reviewed
Acid-Resistant BiVO4 Photoanodes: Insolubility Control by Solvents and Weak W Diffusion in the Lattice

Tomohiko Nakajima, Yugo Miseki, Hiroyuki Tateno, Tetsuo Tsuchiya, Kazuhiro Sayama

ACS APPLIED MATERIALS & INTERFACES, 13(10) 12079-12090, Mar, 2021
H2O2 production on a carbon cathode loaded with a nickel carbonate catalyst and on an oxide photoanode without an external bias

Soichi Takasugi, Yugo Miseki, Yoshinari Konishi, Kotaro Sasaki, Etsuko Fujita, Kazuhiro Sayama

RSC ADVANCES, 11(19) 11224-11232, Mar, 2021
Improvement of photoelectrochemical HClO production under visible light irradiation by loading cobalt oxide onto a BiVO4 photoanode

Sayuri Okunaka, Yugo Miseki, Kazuhiro Sayama

Catalysis Science & Technology, 2021
Functions of MnOx in NaCl Aqueous Solution for Artificial Photosynthesis

Sayuri Okunaka, Yugo Miseki, Kazuhiro Sayama

iScience, 23(10) 101540-101540, Oct, 2020
Efficient H(2)O(2)Production via H2O Oxidation on an Anode Modified with Sb-Containing Mixed Metal Oxides

Yuta Miyase, Yugo Miseki, Takahiro Gunji, Kazuhiro Sayama

CHEMELECTROCHEM, 7(11) 2448-2455, Jun, 2020
In-Fe mixed oxide as an oxygen-evolution photocatalyst for visible-light-driven Z-scheme water splitting

Yugo Miseki, Kana Fujita, Shoji Iguchi, Osamu Kitao, Takahiro Gunji, Kazuhiro Sayama

SUSTAINABLE ENERGY & FUELS, 4(6) 2686-2690, Jun, 2020
Two-Dimensional Perovskite Oxynitride K2LaTa2O6N with an H+/K+ Exchangeability in Aqueous Solution Forming a Stable Photocatalyst for Visible-Light H-2 Evolution

Takayoshi Oshima, Tom Ichibha, Kenji Oqmhula, Keisuke Hibino, Hiroto Mogi, Shunsuke Yamashita, Kotaro Fujii, Yugo Miseki, Kenta Hongo, Daling Lu …

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 59(24) 9736-9743, Jun, 2020
Photocatalytic Production of Hypochlorous Acid over Pt/WO3 under Simulated Solar Light

Rui Pang, Yugo Miseki, Sayuri Okunaka, Kazuhiro Sayama

ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 8(23) 8629-8637, Jun, 2020
An Artificial Z-Scheme Constructed from Dye-Sensitized Metal Oxide Nanosheets for Visible Light-Driven Overall Water Splitting

Takayoshi Oshima, Shunta Nishioka, Yuka Kikuchi, Shota Hirai, Kei-ichi Yanagisawa, Miharu Eguchi, Yugo Miseki, Toshiyuki Yokoi, Tatsuto Yui, Koji Kimoto …

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 142(18) 8412-8420, May, 2020
Solar-light-driven non-bias photoelectrolysis for bleach production from sea water and atmospheric oxygen

Shoji Iguchi, Hiroyuki Tateno, Soichi Takasugi, Yugo Miseki, Kazuhiro Sayama

SUSTAINABLE ENERGY & FUELS, 3(12) 3441-3447, Dec, 2019
Diffusion controlled porous WO3 thin film photoanodes for efficient solar-driven photoelectrochemical permanganic acid production

Tomohiko Nakajima, Megumi Kanaori, Hiroyuki Tateno, Junichi Nomoto, Yugo Miseki, Tetsuo Tsuchiya, Kazuhiro Sayama

SUSTAINABLE ENERGY & FUELS, 3(9) 2380-2390, Sep, 2019
PINO/NHPI-mediated selective oxidation of cycloalkenes to cycloalkenones via a photo-electrochemical method

Hiroyuki Tateno, Yugo Miseki, Kazuhiro Sayama

CHEMICAL COMMUNICATIONS, 55(63) 9339-9342, Aug, 2019
Significance of an anion effect in the selective oxidation of Ce3+ to Ce4+ over a porous WO3 photoanode

Soichi Takasugi, Yugo Miseki, Kotaro Sasaki, Etsuko Fujita, Kazuhiro Sayama

ELECTROCHIMICA ACTA, 307 369-374, Jun, 2019

Misc.

Photocatalytic Water Splitting for Solar Hydrogen Production Using the Carbonate Effect and the Z-Scheme Reaction

Yugo Miseki, Kazuhiro Sayama

ADVANCED ENERGY MATERIALS, 9(23), Jun, 2019
WO3 nanosponge photoanodes with high applied bias photon-to-current efficiency for solar hydrogen and peroxydisulfate production

Nakajima Tomohiko, Hagino Aya, Nakamura Takako, Tsuchiya Tetsuo, Sayama Kazuhiro

Journal of Materials Chemistry A. Materials for Energy and Sustainability, 4(45) 17809‐17818, Dec 7, 2016
Ruthenium Complexes as Near-IR Sensitizers

42(6) 25-30, Jun, 2013
色素増感太陽電池--高性能な増感色素開発を目指して

舩木敬, 佐山和弘

光アライアンス, 22(6) 26-30, Jun, 2011
高性能増感色素および新構造の色素増感太陽電池 (特集次世代太陽電池開発の最前線)

佐山和弘, 舩木敬

ケミカルエンジニヤリング, 56(3) 191-195, Mar, 2011
Dye sensitized solar cell: challenge for high efficiency

Materials integration, 24(3) 67-72, Mar, 2011
Near-IR dye-sensitized solar cells using a new type of ruthenium complexes having 2,6-bis(quinolin-2-yl)pyridine derivatives

Nobuko Onozawa-Komatsuzaki, Masatoshi Yanagida, Takashi Funaki, Kazuyuki Kasuga, Kazuhiro Sayama, Hideki Sugihara

SOLAR ENERGY MATERIALS AND SOLAR CELLS, 95(1) 310-314, Jan, 2011
人工光合成技術による水素製造 (特集未来技術--日本の研究開発の現状と展望)

佐山和弘, 三石雄悟

高圧ガス, 47(1) 10-13, Jan, 2010
人工光合成技術--可視光応答性の半導体光触媒および光電極による水分解水素製造システム

佐山和弘, 三石雄悟

クリーンエネルギー, 19(1) 39-45, Jan, 2010
Degradation of VOCs over WO_3 Photocatalyst with Various Co-Catalysts under Visible Light Irradiation

ARAI TAKEO, SAYAMA KAZUHIRO

51(3) 234-238, Apr 10, 2009
Optimization of tandem-structured dye-sensitized solar cell

Masatoshi Yanagida, Nobuko Onozawa-Komatsuzaki, Mitsuhiko Kurashige, Kazuhiro Sayama, Hideki Sugihara

SOLAR ENERGY MATERIALS AND SOLAR CELLS, 94(2) 297-302, 2009
Near-IR sensitization of nanocrystalline TiO2 with a new ruthenium complex having a 2,6-bis(4-carboxyquinolin-2-yl)pyridine ligand

Nobuko Onozawa-Komatsuzaki, Masatoshi Yanagida, Takashi Funaki, Kazuyuki Kasuga, Kazuhiro Sayama, Hideki Sugihara

INORGANIC CHEMISTRY COMMUNICATIONS, 12(12) 1212-1215, 2009
Synthesis of a new class of cyclometallated ruthenium(II) complexes and their application in dye-sensitized solar cells

Takashi Funaki, Masatoshi Yanagida, Nobuko Onozawa-Komatsuzaki, Kazuyuki Kasuga, Yuji Kawanishi, Mitsuhiko Kurashige, Kazuhiro Sayama, Hideki Sugihara

INORGANIC CHEMISTRY COMMUNICATIONS, 12(9) 842-845, 2009
The enhancement of WO3-catalyzed photodegradation of organic substances utilizing the redox cycle of copper ions

Takeo Arai, Masatoshi Yanagida, Yoshinari Konishi, Ami Ikura, Yasukazu Iwasaki, Hideki Sugihara, Kazuhiro Sayama

APPLIED CATALYSIS B-ENVIRONMENTAL, 84(1-2) 42-47, 2008
Improved performance of Black-dye-sensitized solar cells with nanocrystalline anatase TiO2 photoelectrodes prepared from TiCl4 and ammonium carbonate

H. Kusama, M. Kurashige, K. Sayama, M. Yanagida, H. Sugihara

J. Photochem. Photobio. A Chemistry, 189(1) 100-104, 2007
Reverse electron transfer at the interface of semiconductor film in dye-sensitized solar cells

Masatoshi Yanagida, Kazuhiro Sayama, Kazuyuki Kasuga, Mitsuhiko Kurashige, Hideki Sugihara

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 182(3) 288-295, Sep, 2006
Photo-electrochemical properties of oxide semiconductors on porous titanium metal electrodes

Kazuhiro Sayama, Takashi Oi, Ryu Abe, Masatoshi Yanagida, Hideki Sugihara, Yasukazu Iwasaki

SOLAR ENERGY MATERIALS AND SOLAR CELLS, 90(15) 2429-2437, Sep, 2006
Electronic-insulating coating of CaCO3 on TiO2 electrode in dye-sensitized solar cells: Improvement of electron lifetime and efficiency

ZS Wang, M Yanagida, K Sayama, H Sugihara

CHEMISTRY OF MATERIALS, 18(12) 2912-2916, Jun, 2006
Dependence of electron transport in nanocrystalline TiO2 films sensitized with [NBu4](2)[Ru(Htcterpy)(NCS)(3)] ([NBu4](+) = tetrabutylammonium cation; H(3)tcterpy=4,4 ',4 ''-tricarboxy-2,4 : 2 ',4 ': 2 ''-terpyridine) on the properties of TiO2 nanoparticles

M Yanagida, K Miyamoto, K Sayama, K Kasuga, M Kurashige, S Takano, G Fujihashi, Y Abe, H Sugihara

ELECTROCHIMICA ACTA, 51(19) 3993-4002, May, 2006
Electron transport in nanocrystalline TiO2 films sensitized with [NBu4](2) [cis-Ru(Hdcbpy)(2)(NCS)(2)] (N719; [NBu4](+) = tetrabutyl ammonium cation; H(2)dcbpy=4,4 '-dicarboxy-2,2 '-bipyridine) and [NBu4](2)[Ru(Htcterpy)(NCS)(3)] (B-dye; H(3)tcterpy=4,4 ',4 ''-tricarboxy-2,2 ': 6 ',2 ''-terpyridine)

K Miyamoto, M Yanagida, K Sayama, H Sucrihara, Y Abe

CHEMISTRY LETTERS, 35(3) 336-337, Mar, 2006

Professional Memberships

Research Projects

Development of highly efficient water splitting system workable under visible light irradiation

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area), Japan Society for the Promotion of Science, Jun, 2017 - Mar, 2022

Abe Ryu
1.光触媒による水の完全分解 2.色素増感太陽電池
1. Complete decomposition of water by photocatalyst 2. Dye-sensitized solar cell

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Research Areas

Education

Awards

Papers

Misc.

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