World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
54
Citations
13293
World Ranking
12473
National Ranking
937

Ryuhei Nakamura publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Ryuhei Nakamura sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 145 publications — 12th percentile

12% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Ryuhei Nakamura D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Ryuhei Nakamura sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 54 D-Index — 31st percentile

31% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Ryuhei Nakamura is affiliated with the Tokyo Institute of Technology in Japan and conducts research primarily in the field of energy, with a specialization in renewable energy, sustainability, and materials chemistry.

Their recent publications cover several aspects of energy conversion and electrochemical processes. Key papers include:

  • Enhancing the stability of cobalt spinel oxide towards sustainable oxygen evolution in acid, 2022, Nature Catalysis
  • Atomically dispersed hexavalent iridium oxide from MnO 2 reduction for oxygen evolution catalysis, 2024, Science
  • Acid-stable manganese oxides for proton exchange membrane water electrolysis, 2024, Nature Catalysis
  • CO 2 reduction driven by a pH gradient, 2020, Proceedings of the National Academy of Sciences
  • Enzyme Mimetic Active Intermediates for Nitrate Reduction in Neutral Aqueous Media, 2020, Angewandte Chemie International Edition

The scientist frequently collaborates with several coauthors, including:

  • Hideshi Ooka
  • Ailong Li
  • Shuang Kong
  • Daisuke Hashizume
  • Kiyohiro Adachi

Publication venues where Ryuhei Nakamura has contributed multiple works include:

  • ACS Sustainable Chemistry & Engineering
  • ECS Meeting Abstracts
  • The Cambridge Structural Database
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Nature Catalysis

Their research spans various subfields of study, such as:

  • Renewable Energy, Sustainability and the Environment
  • Materials Chemistry
  • Electrical and Electronic Engineering
  • Molecular Biology
  • Environmental Chemistry

Main topics addressed in their work cover:

  • Electrocatalysts for Energy Conversion
  • Fuel Cells and Related Materials
  • Chemistry and Chemical Engineering
  • CO2 Reduction Techniques and Catalysts
  • Advanced battery technologies research
  • Electrochemical Analysis and Applications
  • Hybrid Renewable Energy Systems

Best Publications

  • Nitrogen-doped carbon nanomaterials as non-metal electrocatalysts for water oxidation.

    Yong Zhao;Ryuhei Nakamura;Kazuhide Kamiya;Shuji Nakanishi

  • Mechanism for Visible Light Responses in Anodic Photocurrents at N-Doped TiO2 Film Electrodes

    Ryuhei Nakamura;Tomoaki Tanaka;Yoshihiro Nakato

  • Mechanisms of pH-dependent activity for water oxidation to molecular oxygen by MnO2 electrocatalysts.

    Toshihiro Takashima;Kazuhito Hashimoto;Ryuhei Nakamura

  • Visible-light sensitization of TiO2 photocatalysts by wet-method N doping

    Shinri Sato;Ryuhei Nakamura;Shinji Abe

  • Primary intermediates of oxygen photoevolution reaction on TiO2 (Rutile) particles, revealed by in situ FTIR absorption and photoluminescence measurements.

    Ryuhei Nakamura;Yoshihiro Nakato

  • Rate enhancement of bacterial extracellular electron transport involves bound flavin semiquinones

    Akihiro Okamoto;Kazuhito Hashimoto;Kenneth H. Nealson;Kenneth H. Nealson;Ryuhei Nakamura

  • Inhibition of Charge Disproportionation of MnO2 Electrocatalysts for Efficient Water Oxidation under Neutral Conditions

    Toshihiro Takashima;Kazuhito Hashimoto;Ryuhei Nakamura

  • In situ FTIR studies of primary intermediates of photocatalytic reactions on nanocrystalline TiO2 films in contact with aqueous solutions.

    Ryuhei Nakamura;Akihito Imanishi;Kei Murakoshi;Yoshihiro Nakato

  • Stable Potential Windows for Long-Term Electrocatalysis by Manganese Oxides Under Acidic Conditions.

    Ailong Li;Ailong Li;Hideshi Ooka;Nadège Bonnet;Toru Hayashi

  • Mechanism of Water Photooxidation Reaction at Atomically Flat TiO2 (Rutile) (110) and (100) Surfaces: Dependence on Solution pH

    Akihito Imanishi;Tomoaki Okamura;Naomichi Ohashi;Ryuhei Nakamura

  • Self-Constructed Electrically Conductive Bacterial Networks

    Ryuhei Nakamura;Fumiyoshi Kai;Akihiro Okamoto;Greg J. Newton

  • Uptake of self-secreted flavins as bound cofactors for extracellular electron transfer in Geobacter species

    Akihiro Okamoto;Koichiro Saito;Kengo Inoue;Kenneth H. Nealson

  • Molecular Mechanisms of Photoinduced Oxygen Evolution, PL Emission, and Surface Roughening at Atomically Smooth (110) and (100) n-TiO2 (Rutile) Surfaces in Aqueous Acidic Solutions

    Ryuhei Nakamura;Tomoaki Okamura;Naomichi Ohashi;and Akihito Imanishi

  • Thermoelectricity Generation and Electron–Magnon Scattering in a Natural Chalcopyrite Mineral from a Deep‐Sea Hydrothermal Vent

    Ran Ang;Ran Ang;Atta Ullah Khan;Naohito Tsujii;Ken Takai

  • Respiratory interactions of soil bacteria with (semi)conductive iron-oxide minerals.

    Souichiro Kato;Ryuhei Nakamura;Fumiyoshi Kai;Kazuya Watanabe

  • Design of all-inorganic molecular-based photocatalysts sensitive to visible light: Ti(IV)-O-Ce(III) bimetallic assemblies on mesoporous silica.

    Ryuhei Nakamura;Akihiro Okamoto;Hitoshi Osawa;Hiroshi Irie

  • Regulating proton-coupled electron transfer for efficient water splitting by manganese oxides at neutral pH.

    Akira Yamaguchi;Riko Inuzuka;Toshihiro Takashima;Toru Hayashi

  • Cell-secreted Flavins Bound to Membrane Cytochromes Dictate Electron Transfer Reactions to Surfaces with Diverse Charge and pH

    Akihiro Okamoto;Shafeer Kalathil;Xiao Deng;Kazuhito Hashimoto

  • Three-dimensional conductive nanowire networks for maximizing anode performance in microbial fuel cells.

    Yong Zhao;Kazuya Watanabe;Ryuhei Nakamura;Shigeki Mori

  • Mechanistic Investigation of Water Oxidation Catalyzed by Uniform, Assembled MnO Nanoparticles

    Kyoungsuk Jin;Hongmin Seo;Toru Hayashi;Mani Balamurugan

Frequent Co-Authors

Kazuhito Hashimoto
Kazuhito Hashimoto National Institute for Materials Science
Yoshihiro Nakato
Yoshihiro Nakato Osaka University
Masahiro Yamamoto
Masahiro Yamamoto University of Tokyo
Ken Takai
Ken Takai Japan Agency for Marine-Earth Science and Technology
Kenneth H. Nealson
Kenneth H. Nealson University of Southern California
Kazuya Watanabe
Kazuya Watanabe Tokyo University of Pharmacy and Life Sciences
Katsuhiko Suzuki
Katsuhiko Suzuki Japan Agency for Marine-Earth Science and Technology
David T. Allen
David T. Allen The University of Texas at Austin
Lin Zhuang
Lin Zhuang Wuhan University
Bing-Joe Hwang
Bing-Joe Hwang National Taiwan University of Science and Technology

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