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Chemistry

D-Index
85
Citations
30296
World Ranking
2637
National Ranking
144

Overview

Kazuhiro Sayama is affiliated with the National Institute of Advanced Industrial Science and Technology in Japan. Their research primarily focuses on the fields of Energy and Materials Science, with significant contributions to Renewable Energy, Sustainability and the Environment, as well as Materials Chemistry.

The scientist has published extensively on topics including Advanced Photocatalysis Techniques, TiO2 Photocatalysis and Solar Cells, Copper-based nanomaterials and applications, Catalytic Processes in Materials Science, Gas Sensing Nanomaterials and Sensors, Perovskite Materials and Applications, and Electrocatalysts for Energy Conversion.

Frequently published venues for their work include:

  • ACS Applied Energy Materials
  • ACS Sustainable Chemistry & Engineering
  • ACS Applied Materials & Interfaces
  • Journal of the Ceramic Society of Japan
  • Sustainable Energy & Fuels

Notable recent papers authored or coauthored by Kazuhiro Sayama include:

  • Electrochemical and Photoelectrochemical Water Oxidation for Hydrogen Peroxide Production, 2020, Angewandte Chemie International Edition
  • Efficiency Accreditation and Testing Protocols for Particulate Photocatalysts toward Solar Fuel Production, 2021, Joule
  • Photocatalytic H2O2 production from O2 under visible light irradiation over phosphate ion-coated Pd nanoparticles-supported BiVO4, 2020, Applied Catalysis B: Environmental
  • An Artificial Z-Scheme Constructed from Dye-Sensitized Metal Oxide Nanosheets for Visible Light-Driven Overall Water Splitting, 2020, Journal of the American Chemical Society
  • Photoelectrochemical Oxidation of Glycerol to Dihydroxyacetone Over an Acid-Resistant Ta:BiVO4 Photoanode, 2022, ACS Sustainable Chemistry & Engineering

Kazuhiro Sayama has collaborated frequently with coauthors such as:

  • Yugo Miseki
  • Masanori Kodera
  • Kazuhiko Maeda
  • Hitoshi Kusama
  • Sayuri Okunaka

Their work mainly investigates photocatalysis and photoelectrochemical processes applied to energy conversion and environmental applications. This includes research on photocatalytic water splitting, solar fuel production, hydrogen peroxide synthesis, and related catalytic and electrocatalytic systems.

Best Publications

  • Direct splitting of water under visible light irradiation with an oxide semiconductor photocatalyst

    Zhigang ZoU;Ji nhua Ye;Kazuhiro Sayama;Hironori Arakawa

  • Molecular Design of Coumarin Dyes for Efficient Dye-Sensitized Solar Cells

    Kohjiro Hara;Tadatake Sato;Ryuzi Katoh;Akihiro Furube

  • Design of new coumarin dyes having thiophene moieties for highly efficient organic-dye-sensitized solar cells

    Kohjiro Hara;Mitsuhiko Kurashige;Yasufumi Dan-oh;Chiaki Kasada

  • Highly efficient photon-to-electron conversion with mercurochrome-sensitized nanoporous oxide semiconductor solar cells

    Kohjiro Hara;Takaro Horiguchi;Tohru Kinoshita;Kazuhiro Sayama

  • A coumarin-derivative dye sensitized nanocrystalline TiO2 solar cell having a high solar-energy conversion efficiency up to 5.6%

    Kohjiro Hara;Kazuhiro Sayama;Yasuyo Ohga;Akira Shinpo

  • Photoelectrochemical Properties of a Porous Nb2O5 Electrode Sensitized by a Ruthenium Dye

    Kazuhiro Sayama;Hideki Sugihara;Hironori Arakawa

  • Photoelectrochemical Decomposition of Water into H2 and O2 on Porous BiVO4 Thin-Film Electrodes under Visible Light and Significant Effect of Ag Ion Treatment

    Kazuhiro Sayama;Atsushi Nomura;Takeo Arai;Tsuyoshi Sugita

  • Stoichiometric water splitting into H2 and O2 using a mixture of two different photocatalysts and an IO3-/I- shuttle redox mediator under visible light irradiation.

    Kazuhiro Sayama;Kazuaki Mukasa;Ryu Abe;Yoshimoto Abe

  • Effect of additives on the photovoltaic performance of coumarin-dye-sensitized nanocrystalline TiO2 solar cells.

    Kohjiro Hara;Yasufumi Dan-oh;Chiaki Kasada;Yasuyo Ohga

  • Photoelectrochemical Properties of J Aggregates of Benzothiazole Merocyanine Dyes on a Nanostructured TiO2 Film

    Kazuhiro Sayama;Shingo Tsukagoshi;Kohjiro Hara;Yasuyo Ohga

  • A new photocatalytic water splitting system under visible light irradiation mimicking a Z-scheme mechanism in photosynthesis

    Kazuhiro Sayama;Kazuaki Mukasa;Ryu Abe;Yoshimoto Abe

  • Photocatalytic decomposition of water and photocatalytic reduction of carbon dioxide over zirconia catalyst

    Unknown

  • A new type of water splitting system composed of two different TiO2 photocatalysts (anatase, rutile) and a IO3−/I− shuttle redox mediator

    Ryu Abe;Ryu Abe;Kazuhiro Sayama;Kazunari Domen;Hironori Arakawa

  • Development of new photocatalytic water splitting into H2 and O2 using two different semiconductor photocatalysts and a shuttle redox mediator IO3-/I-.

    Ryu Abe;Kazuhiro Sayama;Hideki Sugihara

  • Photosensitization of a porous TiO2 electrode with merocyanine dyes containing a carboxyl group and a long alkyl chain

    Kazuhiro Sayama;Kohjiro Hara;Nahoko Mori;Makoto Satsuki

  • Efficient sensitization of nanocrystalline TiO2 films with cyanine and merocyanine organic dyes

    Kazuhiro Sayama;Shingo Tsukagoshi;Tohru Mori;Kohjiro Hara

  • Novel polyene dyes for highly efficient dye-sensitized solar cells.

    Kohjiro Hara;Mitsuhiko Kurashige;Shunichiro Ito;Akira Shinpo

  • Photocatalytic Activity of R3MO7 and R2Ti2O7 (R = Y, Gd, La; M = Nb, Ta) for Water Splitting into H2 and O2

    Ryu Abe;Masanobu Higashi;Kazuhiro Sayama;Yoshimoto Abe

  • Photoelectrochemical decomposition of water on nanocrystalline BiVO4 film electrodes under visible light.

    Kazuhiro Sayama;Atsushi Nomura;Zhigang Zou;Ryu Abe

  • Nickel-loaded K4Nb6O17 photocatalyst in the decomposition of H2O into H2 and O2: Structure and reaction mechanism

    Akihiko Kudo;K. Sayama;A. Tanaka;K. Asakura

  • Steady hydrogen evolution from water on Eosin Y-fixed TiO2 photocatalyst using a silane-coupling reagent under visible light irradiation

    Ryu Abe;Koujirou Hara;Kazuhiro Sayama;Kazunari Domen

Frequent Co-Authors

Hideki Sugihara
Hideki Sugihara National Institute of Advanced Industrial Science and Technology
Hironori Arakawa
Hironori Arakawa Tokyo University of Science
Kohjiro Hara
Kohjiro Hara National Institute of Advanced Industrial Science and Technology
Ryu Abe
Ryu Abe Kyoto University
Masatoshi Yanagida
Masatoshi Yanagida National Institute for Materials Science
Kazunari Domen
Kazunari Domen University of Tokyo
Takaharu Onishi
Takaharu Onishi University of Tokyo
Mohammad Khaja Nazeeruddin
Mohammad Khaja Nazeeruddin École Polytechnique Fédérale de Lausanne
Zhigang Zou
Zhigang Zou Nanjing University
Jinhua Ye
Jinhua Ye National Institute for Materials Science

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