World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
44
Citations
19014
World Ranking
16630
National Ranking
1306

Hiroshi Irie 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 Hiroshi Irie 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: 338 publications — 71st percentile

71% of scientists in this discipline score the same or lower.

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

Hiroshi Irie 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 Hiroshi Irie 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: 44 D-Index — 7th percentile

7% of scientists in this discipline score the same or lower.

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

Overview

Hiroshi Irie is a researcher affiliated with the University of Yamanashi in Japan. Their work primarily focuses on interdisciplinary areas combining energy and materials science, with significant contributions in renewable energy, sustainability, and materials chemistry.

Their research spans multiple subfields, including renewable energy, sustainability and the environment, materials chemistry, electrical and electronic engineering, atomic and molecular physics, and catalysis. Key topics addressed in their publications include advanced photocatalysis techniques, copper-based nanomaterials and their applications, gas sensing nanomaterials and sensors, electrocatalysts for energy conversion, ammonia synthesis and nitrogen reduction, catalytic processes in materials science, and CO₂ reduction techniques and catalysts.

Frequent collaborators in their research include Toshihiro Takashima, Masaomi Yoda, Shota Hemmi, Junya Osaki, and Takumi Mochida, reflecting a network of coauthors engaged in related fields of study and experimentation.

Hiroshi Irie's papers appear regularly in journals and conferences that cover catalysis, energy materials, and applied nano materials. Typical publication venues include ECS Meeting Abstracts, arXiv (Cornell University), ACS Applied Energy Materials, Applied Catalysis B: Environmental, and ACS Applied Nano Materials.

Representative recent publications include:

  • Silver cocatalyst-concentration dependence of overall water splitting performance over silver-inserted solid-state heterojunction photocatalyst composed of zinc rhodium oxide and bismuth vanadium oxide (2020), Applied Catalysis B: Environmental
  • Facet-dependent activity of hematite nanocrystals toward the oxygen evolution reaction (2020), Catalysis Science & Technology
  • Noble Metal Modification of CdS-Covered CuInS2 Electrodes for Improved Photoelectrochemical Activity and Stability (2020), Catalysts
  • Cu-Doped Fe2O3 Nanorods for Enhanced Electrocatalytic Nitrogen Fixation to Ammonia (2023), ACS Applied Nano Materials
  • Wavelength-Dependent Selective Acceleration of CO2 Reduction and H2 Evolution Using a Plasmonic Gold Nanorod Electrode (2022), ACS Applied Nano Materials

Best Publications

  • TiO2 Photocatalysis: A Historical Overview and Future Prospects

    Kazuhito Hashimoto;Hiroshi Irie;Akira Fujishima

  • Nitrogen-Concentration Dependence on Photocatalytic Activity of TiO2-xNx Powders

    Hiroshi Irie;Yuka Watanabe;Kazuhito Hashimoto

  • Nitrogen-doped titanium dioxide as visible-light-sensitive photocatalyst: designs, developments, and prospects.

    Ryoji Asahi;Takeshi Morikawa;Hiroshi Irie;Takeshi Ohwaki

  • Carbon-doped Anatase TiO2 Powders as a Visible-light Sensitive Photocatalyst

    Hiroshi Irie;Yuka Watanabe;Kazuhito Hashimoto

  • Efficient visible light-sensitive photocatalysts: Grafting Cu(II) ions onto TiO2 and WO3 photocatalysts

    Hiroshi Irie;Shuhei Miura;Kazuhide Kamiya;Kazuhito Hashimoto

  • Visible Light-Sensitive Cu(II)-Grafted TiO2 Photocatalysts: Activities and X-ray Absorption Fine Structure Analyses

    Hiroshi Irie;Kazuhide Kamiya;Toshihiko Shibanuma;Shuhei Miura

  • An Efficient Visible-Light-Sensitive Fe(III)-Grafted TiO2 Photocatalyst

    Huogen Yu;Hiroshi Irie;Yoshiki Shimodaira;Yasuhiro Hosogi

  • Conduction Band Energy Level Control of Titanium Dioxide: Toward an Efficient Visible-Light-Sensitive Photocatalyst

    Huogen Yu;Hiroshi Irie;Kazuhito Hashimoto

  • Zeta potential and photocatalytic activity of nitrogen doped TiO2 thin films

    Masahiro Miyauchi;Masahiro Miyauchi;Ayako Ikezawa;Hiroki Tobimatsu;Hiroshi Irie

  • Structure dependence of ferroelectric properties of bismuth layer-structured ferroelectric single crystals

    Hiroshi Irie;Masaru Miyayama;Tetsuichi Kudo

  • Visible-light induced hydrophilicity on nitrogen-substituted titanium dioxide films

    Hiroshi Irie;A. Seitaro Washizuka;A. Norio Yoshino;Kazuhito Hashimoto

  • Coexistence of Ferroelectricity and Ferromagnetism in a Rubidium Manganese Hexacyanoferrate

    Shin-ichi Ohkoshi;Hiroko Tokoro;Tomoyuki Matsuda;Hitomi Takahashi

  • Adhesion and sliding of wet snow on a super-hydrophobic surface with hydrophilic channels

    T. Kako;A. Nakajima;H. Irie;Z. Kato

  • Visible-Light-Driven Cu(II)−(Sr1−yNay)(Ti1−xMox)O3 Photocatalysts Based on Conduction Band Control and Surface Ion Modification

    Xiaoqing Qiu;Masahiro Miyauchi;Huogen Yu;Hiroshi Irie

  • 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

  • Visible Light Sensitive Photocatalyst, Delafossite Structured α-AgGaO2

    Yoshihiko Maruyama;Hiroshi Irie;Kazuhito Hashimoto

  • Hydrophilicity on carbon-doped TiO2 thin films under visible light

    Hiroshi Irie;Seitaro Washizuka;Kazuhito Hashimoto

  • Visible-Light-Sensitive Photocatalysts: Nanocluster-Grafted Titanium Dioxide for Indoor Environmental Remediation

    Masahiro Miyauchi;Hiroshi Irie;Min Liu;Xiaoqing Qiu

  • Ag+- and Pb2+-Doped SrTiO3 Photocatalysts. A Correlation Between Band Structure and Photocatalytic Activity

    Hiroshi Irie;and Yoshihiko Maruyama;Kazuhito Hashimoto

  • Visible light-induced degradation of ethylene glycol on nitrogen-doped TiO2 powders.

    Takashi Tachikawa;Yoshio Takai;Sachiko Tojo;Mamoru Fujitsuka

Frequent Co-Authors

Kazuhito Hashimoto
Kazuhito Hashimoto National Institute for Materials Science
Bunsho Ohtani
Bunsho Ohtani Hokkaido University
Nobutaka Fujii
Nobutaka Fujii Kyoto University
Isao Kouno
Isao Kouno Nagasaki University
Masahiro Miyauchi
Masahiro Miyauchi Tokyo Institute of Technology
Hiroshi Funakubo
Hiroshi Funakubo Tokyo Institute of Technology
Xiaoqing Qiu
Xiaoqing Qiu Central South University
Huogen Yu
Huogen Yu China University of Geosciences
Donald A. Tryk
Donald A. Tryk University of Yamanashi
Tsukasa Torimoto
Tsukasa Torimoto Nagoya University

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