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Hiroshi Imahori

Hiroshi Imahori

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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 99 1336 1188 62 59 513 35045

Hiroshi Imahori publications per year

The chart shows the history of publications by Hiroshi Imahori between 1986 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hiroshi Imahori published across 41 years, from 1986 to 2026, averaging 13.6 papers a year. Output peaked at 35 publications in 2017. 15 of the 559 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1986 to 2026. Vertical axis: number of publications, 0 to 35. Peak 35 publications in 2017. 1986: 2 publications 1987: 0 publications 1988: 1 publication 1989: 5 publications 1990: 1 publication 1991: 1 publication 1992: 0 publications 1993: 1 publication 1994: 3 publications 1995: 2 publications 1996: 6 publications 1997: 9 publications 1998: 9 publications 1999: 14 publications 2000: 11 publications 2001: 18 publications 2002: 19 publications 2003: 22 publications 2004: 28 publications 2005: 13 publications 2006: 18 publications 2007: 22 publications 2008: 29 publications 2009: 21 publications 2010: 25 publications 2011: 24 publications 2012: 24 publications 2013: 21 publications 2014: 17 publications 2015: 24 publications 2016: 22 publications 2017: 35 publications 2018: 16 publications 2019: 14 publications 2020: 17 publications 2021: 13 publications 2022: 17 publications 2023: 9 publications 2024: 11 publications 2025: 11 publications 2026: 4 publications
1986 2026

559 publications in total across all disciplines

View publications per year as a table
Hiroshi Imahori: publications per year, 1986 to 2026
Year Publications
1986 2
1987 0
1988 1
1989 5
1990 1
1991 1
1992 0
1993 1
1994 3
1995 2
1996 6
1997 9
1998 9
1999 14
2000 11
2001 18
2002 19
2003 22
2004 28
2005 13
2006 18
2007 22
2008 29
2009 21
2010 25
2011 24
2012 24
2013 21
2014 17
2015 24
2016 22
2017 35
2018 16
2019 14
2020 17
2021 13
2022 17
2023 9
2024 11
2025 11
2026 4
Total 559
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Hiroshi Imahori 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 Imahori 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, 501–520 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: 513 publications — 89th percentile

89% 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
441–460 270
461–480 265
481–500 252
501–520 201 513
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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Hiroshi Imahori 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 Imahori 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, 98–99 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: 99 D-Index — 93rd percentile

93% 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
92–93 192
94–95 155
96–97 163
98–99 125 99
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
  • 2025 - Research.com Chemistry in Japan Leader Award
  • 2022 - Research.com Chemistry in Japan Leader Award

Overview

Hiroshi Imahori is a researcher affiliated with Kyoto University in Japan with a primary focus on materials science and engineering. Their academic contributions span 94 publications in materials science and 47 in engineering, reflecting a multidisciplinary approach to scientific investigation.

The researcher's subfields of expertise include materials chemistry, electrical and electronic engineering, renewable energy, sustainability and the environment, organic chemistry, and polymers and plastics. These areas highlight a comprehensive engagement with both fundamental and applied aspects of chemical and materials sciences.

Imahori's work covers several main topics related to advanced materials and energy applications. These topics include organic electronics and photovoltaics, porphyrin and phthalocyanine chemistry, crystallization and solubility studies, X-ray diffraction in crystallography, conducting polymers and applications, TiO2 photocatalysis and solar cells, and advanced photocatalysis techniques.

Their research output is published in a range of scientific venues. Frequent publication venues include ECS Meeting Abstracts, The Cambridge Structural Database, Chemical Science, Chemistry Letters, and Chemical Communications.

Collaborations are a significant aspect of Imahori's research activities. Frequent coauthors include Tomohiro Higashino, Tomokazu Umeyama, Keiichi Ishida, Hironori Kaji, and Akira Yamakata.

Selected recent papers authored or coauthored by Imahori include:

  • Manipulation of Charge-Transfer States by Molecular Design: Perspective from "Dynamic Exciton" (2021), published in Accounts of Materials Research
  • Molecular Photoinduced Charge Separation: Fundamentals and Application (2023), published in Bulletin of the Chemical Society of Japan

Additional related works where Imahori is not the first author but within the network of frequent collaborators cover domains such as porphyrins as sensitizers in dye-sensitized solar cells, copper complexes as redox shuttles, and nanographene-based small-molecule acceptors, signaling an involvement in the renewable energy and photovoltaic research community.

Best Publications

  • Large pi-aromatic molecules as potential sensitizers for highly efficient dye-sensitized solar cells.

    Hiroshi Imahori;Tomokazu Umeyama;Seigo Ito

  • Donor‐Linked Fullerenes: Photoinduced electron transfer and its potential application

    Hiroshi Imahori;Yoshiteru Sakata

  • Modulating charge separation and charge recombination dynamics in porphyrin-fullerene linked dyads and triads: Marcus-normal versus inverted region.

    Hiroshi Imahori;Koichi Tamaki;Dirk M. Guldi;Chuping Luo

  • Porphyrins as excellent dyes for dye-sensitized solar cells: recent developments and insights

    Tomohiro Higashino;Hiroshi Imahori

  • Charge separation in a novel artificial photosynthetic reaction center lives 380 ms.

    Hiroshi Imahori;Dirk M. Guldi;Koichi Tamaki;Yutaka Yoshida

  • Porphyrin‐ and Fullerene‐Based Molecular Photovoltaic Devices

    H. Imahori;H. Imahori;S. Fukuzumi

  • Photovoltaic cells using composite nanoclusters of porphyrins and fullerenes with gold nanoparticles

    Taku Hasobe;Hiroshi Imahori;Prashant V Kamat;Tae Kyu Ahn

  • Light-harvesting and photocurrent generation by gold electrodes modified with mixed self-assembled monolayers of boron-dipyrrin and ferrocene-porphyrin-fullerene triad.

    Hiroshi Imahori;Hiroyuki Norieda;Hiroko Yamada;Yoshinobu Nishimura

  • Nanostructured artificial photosynthesis

    Hiroshi Imahori;Hiroshi Imahori;Yukie Mori;Yoshihiro Matano

  • Fullerenes as Novel Acceptors in Photosynthetic Electron Transfer

    Hiroshi Imahori;Yoshiteru Sakata

  • Linkage and Solvent Dependence of Photoinduced Electron Transfer in Zincporphyrin-C60 Dyads

    Hiroshi Imahori;Kiyoshi Hagiwara;Masanori Aoki;Tsuyoshi Akiyama

  • Giant Multiporphyrin Arrays as Artificial Light-Harvesting Antennas

    Hiroshi Imahori

  • Sequential Energy and Electron Transfer in an Artificial Reaction Center: Formation of a Long-Lived Charge-Separated State

    C. Luo;D. M. Guldi;H. Imahori;and K. Tamaki

  • Porphyrin-fullerene linked systems as artificial photosynthetic mimics.

    Hiroshi Imahori

  • Design and synthesis of phosphole-based pi systems for novel organic materials.

    Yoshihiro Matano;Hiroshi Imahori

  • An Extremely Small Reorganization Energy of Electron Transfer in Porphyrin−Fullerene Dyad

    Hiroshi Imahori;Nikolai V. Tkachenko;Visa Vehmanen;Koichi Tamaki

  • Optical properties of fullerene and non-fullerene peapods

    H. Kataura;Y. Maniwa;M. Abe;A. Fujiwara

  • Photovoltaic Properties of Self-Assembled Monolayers of Porphyrins and Porphyrin−Fullerene Dyads on ITO and Gold Surfaces

    Hiroko Yamada;Hiroshi Imahori;Yoshinobu Nishimura;Iwao Yamazaki

  • Electron-donating perylene tetracarboxylic acids for dye-sensitized solar cells.

    Yuki Shibano;Tomokazu Umeyama;Yoshihiro Matano;Hiroshi Imahori

  • Vectorial Multistep Electron Transfer at the Gold Electrodes Modified with Self-Assembled Monolayers of Ferrocene−Porphyrin−Fullerene Triads

    Hiroshi Imahori;Hiroko Yamada;Yoshinobu Nishimura;Iwao Yamazaki, ,‡ and

Frequent Co-Authors

Tomokazu Umeyama
Tomokazu Umeyama Kyoto University
Yoshihiro Matano
Yoshihiro Matano Niigata University
Shunichi Fukuzumi
Shunichi Fukuzumi Osaka University
Nikolai V. Tkachenko
Nikolai V. Tkachenko Tampere University
Yoshiteru Sakata
Yoshiteru Sakata Osaka University
Helge Lemmetyinen
Helge Lemmetyinen Tampere University
Osamu Ito
Osamu Ito Tohoku University
Hiroko Yamada
Hiroko Yamada Nara Institute of Science and Technology
Seigo Ito
Seigo Ito University of Hyogo
Seiji Isoda
Seiji Isoda Kyoto University

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