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Takayuki Hirai

Takayuki Hirai

D-Index & Metrics

Chemistry

D-Index
84
Citations
23482
World Ranking
2840
National Ranking
162

Overview

Takayuki Hirai is affiliated with Osaka University in Japan and specializes in research primarily focused on materials science and energy. Their work encompasses both core fields and several interdisciplinary subfields, including materials chemistry, renewable energy and sustainability, environmental chemistry, inorganic chemistry, and catalysis.

The scientist's research topics are diverse, with principal domains including advanced photocatalysis techniques, methane hydrates and related phenomena, covalent organic framework applications, TiO2 photocatalysis and solar cells, inorganic fluorides and related compounds, copper-based nanomaterials and applications, and ammonia synthesis and nitrogen reduction.

Takayuki Hirai has contributed substantially to the scientific literature, with notable recent papers such as:

  • Polythiophene-Doped Resorcinol-Formaldehyde Resin Photocatalysts for Solar-to-Hydrogen Peroxide Energy Conversion, 2021, Journal of the American Chemical Society
  • Photocatalytic Dinitrogen Fixation with Water on Bismuth Oxychloride in Chloride Solutions for Solar-to-Chemical Energy Conversion, 2020, Journal of the American Chemical Society
  • Photocatalytic hydrogen peroxide splitting on metal-free powders assisted by phosphoric acid as a stabilizer, 2020, Nature Communications
  • Solar-to-hydrogen peroxide energy conversion on resorcinol-formaldehyde resin photocatalysts prepared by acid-catalysed polycondensation, 2020, Communications Chemistry
  • Surface Oxygen Vacancies on Copper-Doped Titanium Dioxide for Photocatalytic Nitrate-to-Ammonia Reduction, 2024, Journal of the American Chemical Society

Their frequent publication venues highlight a strong presence in journals such as the Journal of Chemical & Engineering Data, the Journal of the American Chemical Society, JACS Au, Chemical Communications, and Langmuir.

  • Journal of Chemical & Engineering Data
  • Journal of the American Chemical Society
  • JACS Au
  • Chemical Communications
  • Langmuir

Takayuki Hirai has collaborated extensively with coauthors in the field, with frequent collaborators including Yasuhiro Shiraishi, Shunsuke Tanaka, Takeshi Sugahara, Satoshi Ichikawa, and Jin Shimada.

  • Yasuhiro Shiraishi
  • Shunsuke Tanaka
  • Takeshi Sugahara
  • Satoshi Ichikawa
  • Jin Shimada

Best Publications

  • Photocatalytic Conversion of Nitrogen to Ammonia with Water on Surface Oxygen Vacancies of Titanium Dioxide

    Hiroaki Hirakawa;Masaki Hashimoto;Yasuhiro Shiraishi;Yasuhiro Shiraishi;Takayuki Hirai

  • Highly Selective Production of Hydrogen Peroxide on Graphitic Carbon Nitride (g-C3N4) Photocatalyst Activated by Visible Light

    Yasuhiro Shiraishi;Shunsuke Kanazawa;Yoshitsune Sugano;Daijiro Tsukamoto

  • Resorcinol-formaldehyde resins as metal-free semiconductor photocatalysts for solar-to-hydrogen peroxide energy conversion.

    Yasuhiro Shiraishi;Yasuhiro Shiraishi;Takahiro Takii;Takumi Hagi;Shinnosuke Mori

  • Gold Nanoparticles Located at the Interface of Anatase/Rutile TiO2 Particles as Active Plasmonic Photocatalysts for Aerobic Oxidation

    Daijiro Tsukamoto;Yasuhiro Shiraishi;Yoshitsune Sugano;Satoshi Ichikawa

  • Sunlight-Driven Hydrogen Peroxide Production from Water and Molecular Oxygen by Metal-Free Photocatalysts†

    Yasuhiro Shiraishi;Shunsuke Kanazawa;Yusuke Kofuji;Hirokatsu Sakamoto

  • Carbon Nitride-Aromatic Diimide-Graphene Nanohybrids: Metal-Free Photocatalysts for Solar-to-Hydrogen Peroxide Energy Conversion with 0.2% Efficiency.

    Yusuke Kofuji;Yuki Isobe;Yasuhiro Shiraishi;Hirokatsu Sakamoto

  • Photocatalytic H2O2 Production from Ethanol/O2 System Using TiO2 Loaded with Au–Ag Bimetallic Alloy Nanoparticles

    Daijiro Tsukamoto;Akimitsu Shiro;Yasuhiro Shiraishi;Yoshitsune Sugano

  • Cu(II)-selective green fluorescence of a rhodamine-diacetic acid conjugate.

    Xuan Zhang;Yasuhiro Shiraishi;Takayuki Hirai

  • Selective organic transformations on titanium oxide-based photocatalysts

    Yasuhiro Shiraishi;Takayuki Hirai

  • Au Nanoparticles Supported on BiVO4: Effective Inorganic Photocatalysts for H2O2 Production from Water and O2 under Visible Light

    Hiroaki Hirakawa;Shingo Shiota;Yasuhiro Shiraishi;Yasuhiro Shiraishi;Hirokatsu Sakamoto

  • Adsorption-Driven Photocatalytic Activity of Mesoporous Titanium Dioxide

    Yasuhiro Shiraishi;Naoya Saito;Takayuki Hirai

  • A rhodamine-cyclen conjugate as a highly sensitive and selective fluorescent chemosensor for Hg(II).

    Yasuhiro Shiraishi;Shigehiro Sumiya;Yoshiko Kohno;Takayuki Hirai

  • Graphitic Carbon Nitride Doped with Biphenyl Diimide: Efficient Photocatalyst for Hydrogen Peroxide Production from Water and Molecular Oxygen by Sunlight

    Yusuke Kofuji;Satoshi Ohkita;Yasuhiro Shiraishi;Yasuhiro Shiraishi;Hirokatsu Sakamoto

  • Effects of Surface Defects on Photocatalytic H2O2 Production by Mesoporous Graphitic Carbon Nitride under Visible Light Irradiation

    Yasuhiro Shiraishi;Yasuhiro Shiraishi;Yusuke Kofuji;Hirokatsu Sakamoto;Shunsuke Tanaka

  • Highly sensitive cyanide anion detection with a coumarin-spiropyran conjugate as a fluorescent receptor.

    Yasuhiro Shiraishi;Shigehiro Sumiya;Takayuki Hirai

  • Selective Nitrate-to-Ammonia Transformation on Surface Defects of Titanium Dioxide Photocatalysts

    Hiroaki Hirakawa;Masaki Hashimoto;Yasuhiro Shiraishi;Yasuhiro Shiraishi;Takayuki Hirai

  • Pt–Cu Bimetallic Alloy Nanoparticles Supported on Anatase TiO2: Highly Active Catalysts for Aerobic Oxidation Driven by Visible Light

    Yasuhiro Shiraishi;Hirokatsu Sakamoto;Yoshitsune Sugano;Satoshi Ichikawa

  • One-Pot Synthesis of Benzimidazoles by Simultaneous Photocatalytic and Catalytic Reactions on Pt@TiO2 Nanoparticles

    Yasuhiro Shiraishi;Yoshitsune Sugano;Shunsuke Tanaka;Takayuki Hirai

  • Polythiophene-Doped Resorcinol-Formaldehyde Resin Photocatalysts for Solar-to-Hydrogen Peroxide Energy Conversion.

    Yasuhiro Shiraishi;Masako Matsumoto;Satoshi Ichikawa;Shunsuke Tanaka

  • Selective Hydrogen Peroxide Formation by Titanium Dioxide Photocatalysis with Benzylic Alcohols and Molecular Oxygen in Water

    Yasuhiro Shiraishi;Shunsuke Kanazawa;Daijiro Tsukamoto;Akimitsu Shiro

  • Spiropyran as a selective, sensitive, and reproducible cyanide anion receptor.

    Yasuhiro Shiraishi;Kenichi Adachi;Masataka Itoh;Takayuki Hirai

Frequent Co-Authors

Yasuhiro Shiraishi
Yasuhiro Shiraishi Osaka University
Shunsuke Tanaka
Shunsuke Tanaka Kansai University
Yusaku Sakata
Yusaku Sakata Okayama University
Hiroshi Yoneyama
Hiroshi Yoneyama Osaka University
Susumu Kuwabata
Susumu Kuwabata Osaka University
Thallada Bhaskar
Thallada Bhaskar Advanced Materials and Processes Research Institute
Roger J. Davey
Roger J. Davey University of Manchester
Bunsho Ohtani
Bunsho Ohtani Hokkaido University
Tetsuro Majima
Tetsuro Majima Osaka University
Mamoru Fujitsuka
Mamoru Fujitsuka Osaka University

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