World's Best Scientists 2026 revealed!
Takashi Toyao

Takashi Toyao

Award Badge
Rising Stars
2025

D-Index & Metrics

Rising Stars

D-Index
42
Citations
6989
World Ranking
561
National Ranking
2

Chemistry

D-Index
50
Citations
8921
World Ranking
14380
National Ranking
1119

Takashi Toyao 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 Takashi Toyao 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: 206 publications — 35th percentile

35% of scientists in this discipline score the same or lower.

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

Takashi Toyao 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 Takashi Toyao 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: 50 D-Index — 21st percentile

21% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2025 - Research.com Rising Stars Award

Overview

Takashi Toyao is affiliated with Hokkaido University in Japan and has an extensive publication record spanning several fields related to materials science and chemical engineering. Their research concentrates heavily on catalysis and materials chemistry, with significant contributions in catalytic processes, oxidation reactions, and ammonia synthesis.

Toyao's work frequently explores advanced topics such as catalytic processes in materials science, catalysts for methane reforming, and nanomaterials tailored for various catalytic reactions. Their research also covers areas like advanced photocatalysis techniques and catalytic hydrodesulfurization studies, reflecting a wide-ranging interest in both fundamental and applied aspects of catalysis.

A number of peer-reviewed papers highlight Toyao's scientific output. Notable recent publications include:

  • Bulk tungsten-substituted vanadium oxide for low-temperature NOx removal in the presence of water, 2021, Nature Communications
  • Isolated Indium Hydrides in CHA Zeolites: Speciation and Catalysis for Nonoxidative Dehydrogenation of Ethane, 2020, Journal of the American Chemical Society
  • Non-oxidative Coupling of Methane: N-type Doping of Niobium Single Atoms in TiO2-SiO2 Induces Electron Localization, 2021, Angewandte Chemie International Edition
  • Single-Atom High-Valent Fe(IV) for Promoted Photocatalytic Nitrogen Hydrogenation on Porous TiO2-SiO2, 2021, ACS Catalysis
  • Formation and Reactions of NH4NO3 during Transient and Steady-State NH3-SCR of NOx over H-AFX Zeolites: Spectroscopic and Theoretical Studies, 2020, ACS Catalysis

Their collaboration network includes several frequent coauthors such as:

  • Ken-ichi Shimizu
  • Zen Maeno
  • Shinya Mine
  • Yuan Jing
  • Shunsaku Yasumura

Toyao publishes regularly in specialized venues relevant to catalysis and materials science. Their most common publication venues include:

  • ACS Catalysis
  • The Journal of Physical Chemistry C
  • Catalysis Science & Technology
  • ChemCatChem
  • The Cambridge Structural Database

Their main fields of study are Materials Science and Chemical Engineering, with subfields focused on Materials Chemistry, Catalysis, Inorganic Chemistry, Mechanical Engineering, and Renewable Energy, Sustainability and the Environment. This diverse range of interests reflects a multidisciplinary approach combining fundamental chemistry with engineering applications aimed at sustainable catalytic technologies.

Best Publications

  • Visible-Light-Promoted Photocatalytic Hydrogen Production by Using an Amino-Functionalized Ti(IV) Metal–Organic Framework

    Yu Horiuchi;Takashi Toyao;Masakazu Saito;Katsunori Mochizuki

  • Machine Learning for Catalysis Informatics: Recent Applications and Prospects

    Takashi Toyao;Takashi Toyao;Zen Maeno;Satoru Takakusagi;Takashi Kamachi;Takashi Kamachi

  • Efficient hydrogen production and photocatalytic reduction of nitrobenzene over a visible-light-responsive metal–organic framework photocatalyst

    Takashi Toyao;Masakazu Saito;Yu Horiuchi;Katsunori Mochizuki

  • Design of Interfacial Sites between Cu and Amorphous ZrO2 Dedicated to CO2-to-Methanol Hydrogenation

    Shohei Tada;Shingo Kayamori;Tetsuo Honma;Hiromu Kamei

  • MOF-on-MOF: Oriented Growth of Multiple Layered Thin Films of Metal-Organic Frameworks.

    Ken Ikigaki;Kenji Okada;Yasuaki Tokudome;Takashi Toyao

  • Density Functional Theory Calculations of Oxygen Vacancy Formation and Subsequent Molecular Adsorption on Oxide Surfaces

    Yoyo Hinuma;Yoyo Hinuma;Takashi Toyao;Takashi Toyao;Takashi Kamachi;Takashi Kamachi;Zen Maeno

  • Recent advances in visible-light-responsive photocatalysts for hydrogen production and solar energy conversion – from semiconducting TiO2 to MOF/PCP photocatalysts

    Yu Horiuchi;Takashi Toyao;Masato Takeuchi;Masaya Matsuoka

  • Toward Effective Utilization of Methane: Machine Learning Prediction of Adsorption Energies on Metal Alloys

    Takashi Toyao;Takashi Toyao;Keisuke Suzuki;Shoma Kikuchi;Satoru Takakusagi

  • Development of a Ru complex-incorporated MOF photocatalyst for hydrogen production under visible-light irradiation

    Takashi Toyao;Masakazu Saito;Satoru Dohshi;Katsunori Mochizuki

  • Acceptorless dehydrogenative coupling reactions with alcohols over heterogeneous catalysts

    S. M. A. Hakim Siddiki;Takashi Toyao;Takashi Toyao;Ken-ichi Shimizu;Ken-ichi Shimizu

  • Bulk tungsten-substituted vanadium oxide for low-temperature NOx removal in the presence of water.

    Yusuke Inomata;Hiroe Kubota;Shinichi Hata;Eiji Kiyonaga

  • A Cu–Pd single-atom alloy catalyst for highly efficient NO reduction

    Feilong Xing;Jaewan Jeon;Takashi Toyao;Takashi Toyao;Ken-Ichi Shimizu;Ken-Ichi Shimizu

  • Isolated Indium Hydrides in CHA Zeolites: Speciation and Catalysis for Nonoxidative Dehydrogenation of Ethane.

    Zen Maeno;Shunsaku Yasumura;Xiaopeng Wu;Mengwen Huang

  • Non‐oxidative Coupling of Methane: N‐type Doping of Niobium Single Atoms in TiO2–SiO2 Induces Electron Localization

    Ziyu Chen;Shiqun Wu;Jiayu Ma;Shinya Mine

  • Visible-light, photoredox catalyzed, oxidative hydroxylation of arylboronic acids using a metal–organic framework containing tetrakis(carboxyphenyl)porphyrin groups

    Takashi Toyao;Nana Ueno;Kenta Miyahara;Yasunori Matsui

  • Single-Atom High-Valent Fe(IV) for Promoted Photocatalytic Nitrogen Hydrogenation on Porous TiO2-SiO2

    Shiqun Wu;Ziyu Chen;Wenhui Yue;Shinya Mine

  • Visible-light-driven photocatalytic water oxidation catalysed by iron-based metal–organic frameworks

    Yu Horiuchi;Takashi Toyao;Kenta Miyahara;Lionet Zakary

  • Formation and Reactions of NH4NO3 during Transient and Steady-State NH3-SCR of NOx over H-AFX Zeolites: Spectroscopic and Theoretical Studies

    Hiroe Kubota;Chong Liu;Takashi Toyao;Takashi Toyao;Zen Maeno

  • Low-Temperature Hydrogenation of CO2 to Methanol over Heterogeneous TiO2-Supported Re Catalysts

    Kah Wei Ting;Takashi Toyao;Takashi Toyao;S. M. A. Hakim Siddiki;Ken-ichi Shimizu;Ken-ichi Shimizu

  • Bulk Vanadium Oxide versus Conventional V 2 O 5 /TiO 2 : NH 3 –SCR CatalystsWorking at a Low Temperature Below 150 °C

    Yusuke Inomata;Shinichi Hata;Makoto Mino;Eiji Kiyonaga

  • Immobilization of Cu Complex into Zr-Based MOF with Bipyridine Units for Heterogeneous Selective Oxidation

    Takashi Toyao;Kenta Miyahara;Mika Fujiwaki;Tae-Ho Kim

  • C-Methylation of Alcohols, Ketones, and Indoles with Methanol Using Heterogeneous Platinum Catalysts

    S. M.A. Hakim Siddiki;Abeda S. Touchy;Md. A. R. Jamil;Takashi Toyao;Takashi Toyao

Frequent Co-Authors

Ken-ichi Shimizu
Ken-ichi Shimizu Hokkaido University
Masaya Matsuoka
Masaya Matsuoka Osaka Metropolitan University
Kazunari Yoshizawa
Kazunari Yoshizawa Kyushu University
Masakazu Anpo
Masakazu Anpo Osaka Metropolitan University
Paolo Falcaro
Paolo Falcaro Graz University of Technology
Atsushi Satsuma
Atsushi Satsuma Kyoto University
Wataru Ueda
Wataru Ueda Kanagawa University
Masahide Takahashi
Masahide Takahashi Osaka Metropolitan University
Masato Takeuchi
Masato Takeuchi Osaka Metropolitan University
Christian J. Doonan
Christian J. Doonan University of Adelaide

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