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Chemistry

D-Index
56
Citations
10108
World Ranking
11749
National Ranking
871

Overview

Ken Sakai is a researcher affiliated with Kyushu University in Japan, specializing in energy and materials science. Their work concentrates on renewable energy, sustainability, and materials chemistry, with a specific focus on CO2 reduction techniques and catalysts, advanced photocatalysis, and electrocatalysts for energy conversion.

Their recent publications include studies on photocatalytic CO2 reduction mechanisms, molecular photoanodes for water splitting, and photocatalytic hydrogen evolution. Key recent papers are:

  • Earth-Abundant Photocatalytic CO2 Reduction by Multielectron Chargeable Cobalt Porphyrin Catalysts: High CO/H2 Selectivity in Water Based on Phase Mismatch in Frontier MO Association, 2021, ACS Catalysis
  • Precious-Metal-Free CO2 Photoreduction Boosted by Dynamic Coordinative Interaction between Pyridine-Tethered Cu(I) Sensitizers and a Co(II) Catalyst, 2023, JACS Au
  • Highly Efficient and Stable Molecular-Based TiO2 Photoanodes for Photoelectrochemical Water Splitting Achieved by Pyridyl Anchoring Technique, 2023, ACS Catalysis
  • Controlling the Photofunctionality of a Polyanionic Heteroleptic Copper(I) Photosensitizer for CO2 Reduction Using Its Ion-pair Formation with Polycationic Ammonium in Aqueous Media, 2023, Angewandte Chemie International Edition
  • Redox tuning in Pt(bpy)-viologen catalyst-acceptor dyads enabling photocatalytic hydrogen evolution from water, 2021, Chemical Communications

The main research topics covered by their work include:

  • CO2 Reduction Techniques and Catalysts
  • Advanced Photocatalysis Techniques
  • Electrocatalysts for Energy Conversion
  • Carbon dioxide utilization in catalysis
  • Advanced Nanomaterials in Catalysis
  • Porphyrin and Phthalocyanine Chemistry
  • Metalloenzymes and iron-sulfur proteins

Their publications have appeared predominantly in the following journals and venues:

  • ACS Catalysis
  • Angewandte Chemie International Edition
  • Sustainable Energy & Fuels
  • Journal of the American Chemical Society
  • Angewandte Chemie

Frequent coauthors in their research collaborations include:

  • Kosei Yamauchi
  • Hironobu Ozawa
  • Xian Zhang
  • Ken Kawano
  • Chen Liao

Their scientific contributions span the development of molecular catalysts, photofunctional materials, and energy conversion technologies that support renewable energy and sustainability goals.

Best Publications

  • A photo-hydrogen-evolving molecular device driving visible-light-induced EDTA-reduction of water into molecular hydrogen.

    Hironobu Ozawa;Masa Aki Haga;Ken Sakai

  • The use of aurophilic and other metal–metal interactions as crystal engineering design elements to increase structural dimensionality

    Michael J. Katz;Ken Sakai;Daniel B. Leznoff

  • The Direct and Enantioselective, One-Pot, Three-Component, Cross-Mannich Reaction of Aldehydes†

    Yujiro Hayashi;Wataru Tsuboi;Itaru Ashimine;Tatsuya Urushima

  • Homogeneous catalysis of platinum(II) complexes in photochemical hydrogen production from water

    Ken Sakai;Hironobu Ozawa

  • Cobalt porphyrins as homogeneous catalysts for water oxidation

    Takashi Nakazono;Alexander Rene Parent;Alexander Rene Parent;Ken Sakai;Ken Sakai

  • Photo-hydrogen-evolving molecular devices driving visible-light-induced water reduction into molecular hydrogen: structure–activity relationship and reaction mechanism

    Hironobu Ozawa;Ken Sakai

  • Construction of Pseudo-Heterochiral and Homochiral Di-μ-oxotitanium(Schiff base) Dimers and Enantioselective Epoxidation Using Aqueous Hydrogen Peroxide

    Kazuhiro Matsumoto;Yuji Sawada;Bunnai Saito;Ken Sakai

  • Highly Efficient and Selective Photocatalytic CO2 Reduction to CO in Water by a Cobalt Porphyrin Molecular Catalyst

    Arnau Call;Mihaela Cibian;Keiya Yamamoto;Takashi Nakazono

  • Clear Evidence Showing the Robustness of a Highly Active Oxygen-evolving Mononuclear Ruthenium Complex with an Aqua Ligand

    Shigeyuki Masaoka;Ken Sakai

  • Visible light-induced water oxidation catalyzed by molybdenum-based polyoxometalates with mono- and dicobalt(III) cores as oxygen-evolving centers.

    Saya Tanaka;Masahiko Annaka;Ken Sakai

  • Inside Cover: Near-Infrared Light-Driven Hydrogen Evolution from Water Using a Polypyridyl Triruthenium Photosensitizer (Angew. Chem. Int. Ed. 1/2018)

    Yutaro Tsuji;Keiya Yamamoto;Kosei Yamauchi;Ken Sakai

  • Structures and Reactivities of Platinum-Blues and the Related Amidate-Bridged Platinumiii Compounds

    Kazuko Matsumoto;Ken Sakai

  • Progress in Base‐Metal Water Oxidation Catalysis

    Alexander R.ene Parent;Ken Sakai;Ken Sakai

  • Syntheses, characterization, and photo-hydrogen-evolving properties of tris(2,2′-bipyridine)ruthenium(II) derivatives tethered to a cis-Pt(II)Cl2 unit: insights into the structure–activity relationship

    Hironobu Ozawa;Yuki Yokoyama;Masa Aki Haga;Ken Sakai

  • Syntheses and properties of emissive iridium(III) complexes with tridentate benzimidazole derivatives.

    Tomona Yutaka;Shinya Obara;Satoshi Ogawa;Koichi Nozaki

  • Catalysis of mononuclear aquaruthenium complexes in oxygen evolution from water: a new radical coupling path using hydroxocerium(IV) species.

    Masaki Yoshida;Shigeyuki Masaoka;Shigeyuki Masaoka;Jiro Abe;Ken Sakai

  • Tuning of redox potentials by introducing a cyclometalated bond to bis-tridentate ruthenium(II) complexes bearing bis(N-methylbenzimidazolyl)benzene or -pyridine ligands.

    Wen Wen Yang;Yu Wu Zhong;Shinpei Yoshikawa;Jiang Yang Shao

  • Syntheses, Crystal Structures, and Electronic, ESR, and x-ray Photoelectron Spectra of Acetamidate-and 2-Fluoroacetamidate-Bridged Mixed-Valent Octanuclear Platinum Blues

    Kazuko Matsumoto;Ken Sakai;Kyosuke Nishio;Yasuhiro Tokisue

  • New Structural Aspects of α-Pyrrolidinonate- and α-Pyridonate-Bridged, Homo- and Mixed-Valence, Di- and Tetranuclear cis-Diammineplatinum Complexes: Eight New Crystal Structures, Stoichiometric 1:1 Mixture of Pt(2.25+)4 and Pt(2.5+)4, New Quasi-One-Dimensional Halide-Bridged [Pt(2.5+)4-Cl···]∞ System, and Consideration of Solution Properties

    Ken Sakai;Yuko Tanaka;Yuriko Tsuchiya;Kentaro Hirata

  • Photochemical CO2 Reduction Driven by Water-Soluble Copper(I) Photosensitizer with the Catalysis Accelerated by Multi-Electron Chargeable Cobalt Porphyrin

    Xian Zhang;Mihaela Cibian;Mihaela Cibian;Arnau Call;Kosei Yamauchi;Kosei Yamauchi

  • Kinetics and DFT studies on water oxidation by Ce4+ catalyzed by [Ru(terpy)(bpy)(OH2)]2+.

    Ayano Kimoto;Kosei Yamauchi;Masaki Yoshida;Shigeyuki Masaoka;Shigeyuki Masaoka

Frequent Co-Authors

Takashi Kajiwara
Takashi Kajiwara Nara Women's University
Tasuku Ito
Tasuku Ito Tohoku University
Masa-aki Haga
Masa-aki Haga Chuo University
Yujiro Hayashi
Yujiro Hayashi Tohoku University
Heinz-Bernhard Kraatz
Heinz-Bernhard Kraatz University of Toronto
Licheng Sun
Licheng Sun Royal Institute of Technology
Hideaki Kakeya
Hideaki Kakeya Kyoto University
Christopher H. Hendon
Christopher H. Hendon University of Oregon
Aron Walsh
Aron Walsh Imperial College London

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