World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
70
Citations
21328
World Ranking
5764
National Ranking
356

Kazuhiko Seki 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 Kazuhiko Seki 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: 420 publications — 82nd percentile

82% of scientists in this discipline score the same or lower.

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

Kazuhiko Seki 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 Kazuhiko Seki 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: 70 D-Index — 68th percentile

68% of scientists in this discipline score the same or lower.

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

Overview

Kazuhiko Seki is a researcher affiliated with the National Institute of Advanced Industrial Science and Technology in Japan. Their work primarily focuses on materials science and engineering, with a notable emphasis on materials chemistry and electrical and electronic engineering. The research intersects with renewable energy, sustainability, atomic and molecular physics, and statistical and nonlinear physics.

The main topics covered in Kazuhiko Seki's research include advanced photocatalysis techniques, perovskite materials and applications, copper-based nanomaterials and applications, MXene and MAX phase materials, advanced thermoelectric materials and devices, advanced thermodynamics and statistical mechanics, and the electronic and structural properties of oxides.

Frequent venues for their publications are diverse and include The Journal of Chemical Physics, arXiv (Cornell University), The Journal of Physical Chemistry C, Energy & Environmental Science, and ACS Applied Materials & Interfaces. These outlets reflect a consistent focus on physical chemistry, materials science, and energy-related research.

Coauthors who commonly collaborate with Kazuhiko Seki include Vikas Nandal, Kazunari Domen, Hiroyuki Matsuzaki, Takashi Hisatomi, and Yuriy Pihosh. These collaborations indicate an active engagement in research communities centered on photocatalysis and renewable energy materials.

Significant recent publications by Kazuhiko Seki include:

  • Photocatalytic water splitting with a quantum efficiency of almost unity, 2020, Nature
  • Ta3N5-Nanorods enabling highly efficient water oxidation via advantageous light harvesting and charge collection, 2020, Energy & Environmental Science
  • Development of a Core-Shell Heterojunction Ta3N5-Nanorods/BaTaO2N Photoanode for Solar Water Splitting, 2020, ACS Energy Letters
  • Design of semitransparent tantalum nitride photoanode for efficient and durable solar water splitting, 2022, Energy & Environmental Science
  • Unveiling charge dynamics of visible light absorbing oxysulfide for efficient overall water splitting, 2021, Nature Communications

Best Publications

  • ENERGY LEVEL ALIGNMENT AND INTERFACIAL ELECTRONIC STRUCTURES AT ORGANIC/METAL AND ORGANIC/ORGANIC INTERFACES

    Hisao Ishii;Kiyoshi Sugiyama;Eisuke Ito;Kazuhiko Seki

  • Photocatalytic water splitting with a quantum efficiency of almost unity

    Tsuyoshi Takata;Junzhe Jiang;Yoshihisa Sakata;Mamiko Nakabayashi

  • Dependence of indium–tin–oxide work function on surface cleaning method as studied by ultraviolet and x-ray photoemission spectroscopies

    Kiyoshi Sugiyama;Hisao Ishii;Yukio Ouchi;Kazuhiko Seki

  • Polarization energies of organic solids determined by ultraviolet photoelectron spectroscopy

    Naoki Sato;Kazuhiko Seki;Hiroo Inokuchi

  • Particulate Photocatalyst Sheets Based on Carbon Conductor Layer for Efficient Z-Scheme Pure-Water Splitting at Ambient Pressure.

    Qian Wang;Takashi Hisatomi;Yohichi Suzuki;Zhenhua Pan

  • Evidence from angle-resolved resonant photoemission for oxygen-2p nature of the Fermi-liquid states in Bi2CaSr2Cu2O8

    T. Takahashi;H. Matsuyama;H. Katayama-Yoshida;Y. Okabe

  • Electronic structure of anode interface with molybdenum oxide buffer layer

    Kaname Kanai;Kenji Koizumi;Satoru Ouchi;Yoshiaki Tsukamoto

  • Spontaneous buildup of giant surface potential by vacuum deposition of Alq3 and its removal by visible light irradiation

    Eisuke Ito;Yuuki Washizu;Naoki Hayashi;Hisao Ishii

  • Theoretical study of n-alkane adsorption on metal surfaces

    Yoshitada Morikawa;Yoshitada Morikawa;Hisao Ishii;Kazuhiko Seki

  • Band structure of Bi2Sr2CaCu2O8 studied by angle-resolved photoemission.

    T. Takahashi;H. Matsuyama;H. Katayama-Yoshida;Y. Okabe

  • Examination of band bending at buckminsterfullerene (C60)/metal interfaces by the Kelvin probe method

    N. Hayashi;H. Ishii;Y. Ouchi;K. Seki

  • Electronic structures of organic molecular materials for organic electroluminescent devices studied by ultraviolet photoemission spectroscopy

    Kiyoshi Sugiyama;Daisuke Yoshimura;Takayuki Miyamae;Takafumi Miyazaki

  • A Novel Type of Organic Semiconductors. Molecular Fastener

    Hiroo Inokuchi;Gunzi Saito;Peiji Wu;Kazuhiko Seki

  • Effect of annealing on the electronic structure of poly(3-hexylthiophene) thin film.

    Kaname Kanai;Takahiro Miyazaki;Hiroyuki Suzuki;Mina Inaba

  • Energy-level alignment at model interfaces of organic electroluminescent devices studied by UV photoemission: trend in the deviation from the traditional way of estimating the interfacial electronic structures

    H. Ishii;K. Sugiyama;D. Yoshimura;E. Ito

  • Local structure at the air/liquid interface of room-temperature ionic liquids probed by infrared-visible sum frequency generation vibrational spectroscopy: 1-alkyl-3-methylimidazolium tetrafluoroborates.

    Toshifumi Iimori;Takashi Iwahashi;Kaname Kanai;Kazuhiko Seki

  • Ultraviolet photoelectron spectroscopy and inverse photoemission spectroscopy of [6,6]-phenyl-C61-butyric acid methyl ester in gas and solid phases

    Kouki Akaike;Kaname Kanai;Hiroyuki Yoshida;Jun’ya Tsutsumi

  • Double layer structure and adsorption/desorption hysteresis of neat ionic liquid on Pt electrode surface — an in-situ IR-visible sum-frequency generation spectroscopic study

    Wei Zhou;Soya Inoue;Takashi Iwahashi;Kaname Kanai

  • Polarized XANES studies of oriented polyethylene and fluorinated polyethylenes

    Toshiaki Ohta;Kazuhiko Seki;Toshihiko Yokoyama;Ikuo Morisada

  • Orientational ordering of alkyl chain at the air/liquid interface of ionic liquids studied by sum frequency vibrational spectroscopy

    Toshifumi Iimori;Takashi Iwahashi;Hisao Ishii;Kazuhiko Seki

  • Solvent Effects in Nonadiabatic Electron‐Transfer Reactions: Theoretical Aspects

    Unknown

Frequent Co-Authors

Yukio Ouchi
Yukio Ouchi Tokyo Institute of Technology
Hisao Ishii
Hisao Ishii Chiba University
Hiroo Inokuchi
Hiroo Inokuchi University of Tokyo
Nobuo Ueno
Nobuo Ueno Chiba University
Toshihiko Yokoyama
Toshihiko Yokoyama Institute of Molecular Sciences
Masahiko Hara
Masahiko Hara Tokyo Institute of Technology
Koichi Kikuchi
Koichi Kikuchi Tokyo Metropolitan University
Yohji Achiba
Yohji Achiba Tokyo Metropolitan University
Takashi Takahashi
Takashi Takahashi Tohoku University
Hiroshi Katayama-Yoshida
Hiroshi Katayama-Yoshida University of Tokyo

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