World's Best Scientists 2026 revealed!
Takashi Toyao

Takashi Toyao

Award Badge
Rising Stars
2025

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Rising Stars 42 561 561 2 2 210 6989
Chemistry 50 14380 12947 1119 1016 206 8921

Takashi Toyao publications per year

The chart shows the history of publications by Takashi Toyao between 2012 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Takashi Toyao published across 14 years, from 2012 to 2025, averaging 18.6 papers a year. Output peaked at 42 publications in 2022. 59 of the 260 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 2012 to 2025. Vertical axis: number of publications, 0 to 42. Peak 42 publications in 2022. 2012: 2 publications 2013: 8 publications 2014: 2 publications 2015: 5 publications 2016: 9 publications 2017: 9 publications 2018: 15 publications 2019: 24 publications 2020: 20 publications 2021: 33 publications 2022: 42 publications 2023: 32 publications 2024: 26 publications 2025: 33 publications
2012 2025

260 publications in total across all disciplines

View publications per year as a table
Takashi Toyao: publications per year, 2012 to 2025
Year Publications
2012 2
2013 8
2014 2
2015 5
2016 9
2017 9
2018 15
2019 24
2020 20
2021 33
2022 42
2023 32
2024 26
2025 33
Total 260
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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.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 201–220 publications, is where this scientist sits. 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
61–80 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.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281 206
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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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.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 50–51 D-Index, is where this scientist sits. 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
40–41 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.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861 50
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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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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