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Bunsho Ohtani

Bunsho Ohtani

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Chemistry
Japan
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 91 1966 1758 106 100 431 30085

Bunsho Ohtani publications per year

The chart shows the history of publications by Bunsho Ohtani between 1981 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Bunsho Ohtani published across 46 years, from 1981 to 2026, averaging 9.8 papers a year. Output peaked at 27 publications in 2021. 6 of the 449 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1981 to 2026. Vertical axis: number of publications, 0 to 27. Peak 27 publications in 2021. 1981: 2 publications 1982: 0 publications 1983: 1 publication 1984: 2 publications 1985: 8 publications 1986: 7 publications 1987: 5 publications 1988: 2 publications 1989: 2 publications 1990: 2 publications 1991: 2 publications 1992: 5 publications 1993: 3 publications 1994: 1 publication 1995: 6 publications 1996: 3 publications 1997: 8 publications 1998: 6 publications 1999: 4 publications 2000: 3 publications 2001: 12 publications 2002: 8 publications 2003: 14 publications 2004: 8 publications 2005: 9 publications 2006: 11 publications 2007: 17 publications 2008: 15 publications 2009: 12 publications 2010: 19 publications 2011: 11 publications 2012: 16 publications 2013: 16 publications 2014: 21 publications 2015: 13 publications 2016: 26 publications 2017: 26 publications 2018: 18 publications 2019: 14 publications 2020: 21 publications 2021: 27 publications 2022: 18 publications 2023: 11 publications 2024: 8 publications 2025: 5 publications 2026: 1 publication
1981 2026

449 publications in total across all disciplines

View publications per year as a table
Bunsho Ohtani: publications per year, 1981 to 2026
Year Publications
1981 2
1982 0
1983 1
1984 2
1985 8
1986 7
1987 5
1988 2
1989 2
1990 2
1991 2
1992 5
1993 3
1994 1
1995 6
1996 3
1997 8
1998 6
1999 4
2000 3
2001 12
2002 8
2003 14
2004 8
2005 9
2006 11
2007 17
2008 15
2009 12
2010 19
2011 11
2012 16
2013 16
2014 21
2015 13
2016 26
2017 26
2018 18
2019 14
2020 21
2021 27
2022 18
2023 11
2024 8
2025 5
2026 1
Total 449
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Bunsho Ohtani 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 Bunsho Ohtani 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, 421–440 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: 431 publications — 83rd percentile

83% 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
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
421–440 327 431
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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Bunsho Ohtani 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 Bunsho Ohtani 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, 90–91 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: 91 D-Index — 89th percentile

89% 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
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 91
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

  • 2026 - Research.com Chemistry in Japan Leader Award

Overview

Bunsho Ohtani is a researcher affiliated with Hokkaido University in Japan, with a significant focus on energy and materials science. Their research extensively covers renewable energy, sustainability, and environmental topics, alongside materials chemistry and electrical and electronic engineering. Their work also touches on biomaterials and biomedical engineering.

The primary focus of Ohtani's research lies in advanced photocatalysis techniques, particularly involving TiO2 photocatalysis and solar cells. Additional topics explored in their work include copper-based nanomaterials and applications, gas sensing nanomaterials and sensors, as well as catalytic processes in materials science. Electronic and structural properties of oxides also form part of their research portfolio.

Ohtani has contributed to a number of recent scientific publications. Notable papers include:

  • Cubic Cu2O nanoparticles decorated on TiO2 nanofiber heterostructure as an excellent synergistic photocatalyst for H2 production and sulfamethoxazole degradation (2021, Applied Catalysis B: Environmental)
  • Enhanced Solar Photothermal Catalysis over Solution Plasma Activated TiO2 (2020, Advanced Science)
  • Impact of Doping and Additive Applications on Photocatalyst Textural Properties in Removing Organic Pollutants: A Review (2021, Catalysts)
  • Bi2WO6-based Z-scheme photocatalysts: Principles, mechanisms and photocatalytic applications (2022, Journal of Environmental Chemical Engineering)
  • Fabrication and characterization of ternary sepiolite/g-C3N4/Pd composites for improvement of photocatalytic degradation of ciprofloxacin under visible light irradiation (2020, Journal of Colloid and Interface Science)

The frequently appearing publication venues for Ohtani's work include ECS Meeting Abstracts, Catalysts, The Journal of Physical Chemistry C, Catalysis Today, and ACS Applied Materials & Interfaces.

Ohtani has collaborated frequently with several researchers, reflecting a broad and interconnected research network. Frequent coauthors include Mai Takashima, Ewa Kowalska, Chitiphon Chuaicham, Keiko Sasaki, and Kunlei Wang.

Best Publications

  • What is Degussa (Evonik) P25? Crystalline composition analysis, reconstruction from isolated pure particles and photocatalytic activity test

    Bunsho Ohtani;O. O. Prieto-Mahaney;D. Li;R. Abe

  • Photocatalytic Activity of Amorphous−Anatase Mixture of Titanium(IV) Oxide Particles Suspended in Aqueous Solutions

    Bunsho Ohtani;Yoshimasa Ogawa;Seiichi Nishimoto

  • Is methylene blue an appropriate substrate for a photocatalytic activity test? A study with visible-light responsive titania

    Xiaoli Yan;Teruhisa Ohno;Kazumoto Nishijima;Ryu Abe

  • Photocatalysis A to Z—What we know and what we do not know in a scientific sense

    B. Ohtani

  • Pristine Simple Oxides as Visible Light Driven Photocatalysts: Highly Efficient Decomposition of Organic Compounds over Platinum-Loaded Tungsten Oxide

    Ryu Abe;Hitoshi Takami;Naoya Murakami;Bunsho Ohtani

  • Visible-light-induced photocatalysis through surface plasmon excitation of gold on titania surfaces

    Ewa Kowalska;Ewa Kowalska;Orlando Omar Prieto Mahaney;Ryu Abe;Bunsho Ohtani

  • Preparing Articles on Photocatalysis : Beyond the Illusions, Misconceptions, and Speculation

    Bunsho Ohtani

  • Preparation of Polycrystalline TiO2 Photocatalysts Impregnated with Various Transition Metal Ions: Characterization and Photocatalytic Activity for the Degradation of 4-Nitrophenol

    A. Di Paola;G. Marcì;L. Palmisano;M. Schiavello

  • Photocatalytic degradation of organic compounds in aqueous systems by transition metal doped polycrystalline TiO2

    A Di Paola;E Garcı́a-López;S Ikeda;G Marcı̀

  • Facile synthesis of ZnS-AgInS2 solid solution nanoparticles for a color-adjustable luminophore.

    Tsukasa Torimoto;Tomohiro Adachi;† Ken-ichi Okazaki;Miwa Sakuraoka

  • Visible light-induced photocatalytic reaction of gold-modified titanium(IV) oxide particles: action spectrum analysis

    Ewa Kowalska;Ewa Kowalska;Ryu Abe;Bunsho Ohtani

  • Visible light activity of rare earth metal doped (Er3+, Yb3+ or Er3+/Yb3+) titania photocatalysts

    Joanna Reszczyńska;Joanna Reszczyńska;Tomasz Grzyb;Janusz W. Sobczak;Wojciech Lisowski

  • Role of platinum deposits on titanium(IV) oxide particles : structural and kinetic analyses of photocatalytic reaction in aqueous alcohol and amino acid solutions

    Bunsho Ohtani;Kunihiro Iwai;Seiichi Nishimoto;Shinri Sato

  • Synthesis and Characterization of Carbon-Doped TiO2 Nanostructures with Enhanced Visible Light Response

    Guosheng Wu;Tomohiro Nishikawa;Bunsho Ohtani;Aicheng Chen

  • Visible-light-induced water splitting based on two-step photoexcitation between dye-sensitized layered niobate and tungsten oxide photocatalysts in the presence of a triiodide/iodide shuttle redox mediator.

    Ryu Abe;Kenichi Shinmei;Nagatoshi Koumura;Kohjiro Hara

  • Silver-doped TiO2 prepared by microemulsion method: Surface properties, bio- and photoactivity

    Anna Zielińska;Ewa Kowalska;Ewa Kowalska;Ewa Kowalska;Janusz W. Sobczak;Izabela Łącka

  • Decahedral Single-Crystalline Particles of Anatase Titanium(IV) Oxide with High Photocatalytic Activity

    Fumiaki Amano;Orlando-Omar Prieto-Mahaney;Yoshihiro Terada;Taikei Yasumoto

  • Surface Modification of TiO2 with Ag Nanoparticles and CuO Nanoclusters for Application in Photocatalysis

    M. G. Méndez-Medrano;E. Kowalska;A. Lehoux;A. Herissan

  • Correlation between Some Physical Properties of Titanium Dioxide Particles and Their Photocatalytic Activity for Some Probe Reactions in Aqueous Systems

    Hiroshi Kominami;Shinya Murakami;Junichi Kato;Yoshiya Kera

  • Correlation between Photocatalytic Activities and Structural and Physical Properties of Titanium(IV) Oxide Powders

    Orlando Omar Prieto-Mahaney;Naoya Murakami;Ryu Abe;Bunsho Ohtani

Frequent Co-Authors

Sei-ichi Nishimoto
Sei-ichi Nishimoto Kyoto University
Tsukasa Torimoto
Tsukasa Torimoto Nagoya University
Shigeru Ikeda
Shigeru Ikeda Konan University
Ryu Abe
Ryu Abe Kyoto University
Hiroshi Kominami
Hiroshi Kominami Kindai University
Kohei Uosaki
Kohei Uosaki National Institute for Materials Science
Hynd Remita
Hynd Remita University of Paris-Saclay
Michio Matsumura
Michio Matsumura Osaka University
Antoni W. Morawski
Antoni W. Morawski West Pomeranian University of Technology
Takahiro Kozawa
Takahiro Kozawa Osaka University

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