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Akihiro Shimizu

Akihiro Shimizu

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 44 16799 15169 1321 1196 101 7550

Akihiro Shimizu publications per year

The chart shows the history of publications by Akihiro Shimizu between 2001 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Akihiro Shimizu published across 25 years, from 2001 to 2025, averaging 4.9 papers a year. Output peaked at 15 publications in 2013. 13 of the 122 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 2001 to 2025. Vertical axis: number of publications, 0 to 15. Peak 15 publications in 2013. 2001: 2 publications 2002: 0 publications 2003: 0 publications 2004: 0 publications 2005: 1 publication 2006: 0 publications 2007: 3 publications 2008: 1 publication 2009: 4 publications 2010: 8 publications 2011: 5 publications 2012: 7 publications 2013: 15 publications 2014: 13 publications 2015: 12 publications 2016: 9 publications 2017: 6 publications 2018: 3 publications 2019: 3 publications 2020: 1 publication 2021: 3 publications 2022: 8 publications 2023: 5 publications 2024: 4 publications 2025: 9 publications
2001 2025

122 publications in total across all disciplines

View publications per year as a table
Akihiro Shimizu: publications per year, 2001 to 2025
Year Publications
2001 2
2002 0
2003 0
2004 0
2005 1
2006 0
2007 3
2008 1
2009 4
2010 8
2011 5
2012 7
2013 15
2014 13
2015 12
2016 9
2017 6
2018 3
2019 3
2020 1
2021 3
2022 8
2023 5
2024 4
2025 9
Total 122
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Akihiro Shimizu 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 Akihiro Shimizu 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, 101–120 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: 101 publications — 2nd percentile

2% 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
101–120 623 101
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
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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Akihiro Shimizu 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 Akihiro Shimizu 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, 44–45 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: 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.

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 44
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
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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Overview

Akihiro Shimizu is affiliated with Osaka University in Japan and conducts research primarily in the fields of Materials Science and Chemistry. Their work spans several subfields including Materials Chemistry, Organic Chemistry, Electrical and Electronic Engineering, Electronic, Optical and Magnetic Materials, and Physical and Theoretical Chemistry.

The scientist's research interests focus on topics such as Crystallization and Solubility Studies, X-ray Diffraction in Crystallography, Synthesis and Properties of Aromatic Compounds, Luminescence and Fluorescent Materials, Fullerene Chemistry and Applications, Organic and Molecular Conductors Research, and Porphyrin and Phthalocyanine Chemistry.

Among their recent publications are:

  • "Synthesis and Isolation of a Kinetically Stabilized Crystalline Triangulene", 2021, Journal of the American Chemical Society
  • "HOMO-LUMO Energy-Gap Tuning of π-Conjugated Zwitterions Composed of Electron-Donating Anion and Electron-Accepting Cation", 2020, The Journal of Organic Chemistry
  • "Synthesis and Isolation of a Kekulé Hydrocarbon with a Triplet Ground State", 2022, Angewandte Chemie International Edition
  • "A Kinetically Stabilized Nitrogen-Doped Triangulene Cation: Stable and NIR Fluorescent Diradical Cation with Triplet Ground State", 2023, Angewandte Chemie International Edition
  • "Metal-Free Twofold Electrochemical C−H Amination of Activated Arenes: Application to Medicinally Relevant Precursor Synthesis", 2020, Chemistry - A European Journal

Shimizu's frequent coauthors include Ryo Shintani, Kazunobu Sato, Jun-ichi Yoshida, Takeji Takui, and Daisuke Shiomi.

The scientist has contributed to multiple publication venues, with several works appearing in:

  • The Cambridge Structural Database (14 publications)
  • Angewandte Chemie International Edition (3 publications)
  • Angewandte Chemie (3 publications)
  • Journal of the American Chemical Society (2 publications)
  • Journal of The Surface Finishing Society of Japan (2 publications)

Best Publications

  • Polymer-bound pyrene-4,5,9,10-tetraone for fast-charge and -discharge lithium-ion batteries with high capacity.

    Toshiki Nokami;Takahiro Matsuo;Yuu Inatomi;Nobuhiko Hojo

  • Electrogenerated Cationic Reactive Intermediates: The Pool Method and Further Advances

    Jun-ichi Yoshida;Akihiro Shimizu;Ryutaro Hayashi

  • Synthesis, intermolecular interaction, and semiconductive behavior of a delocalized singlet biradical hydrocarbon.

    Takashi Kubo;Akihiro Shimizu;Maki Sakamoto;Mikio Uruichi

  • Synthesis and Characterization of Teranthene: A Singlet Biradical Polycyclic Aromatic Hydrocarbon Having Kekulé Structures

    Akihito Konishi;Yasukazu Hirao;Masayoshi Nakano;Akihiro Shimizu

  • Strong two-photon absorption of singlet diradical hydrocarbons.

    Kenji Kamada;Koji Ohta;Takashi Kubo;Akihiro Shimizu

  • Electrochemical C-H amination: synthesis of aromatic primary amines via N-arylpyridinium ions.

    Tatsuya Morofuji;Akihiro Shimizu;Jun-ichi Yoshida

  • Indeno[2,1‐b]fluorene: A 20‐π‐Electron Hydrocarbon with Very Low‐Energy Light Absorption

    Akihiro Shimizu;Ryohei Kishi;Masayoshi Nakano;Daisuke Shiomi

  • Indeno[2,1‐a]fluorene: An Air‐Stable ortho‐Quinodimethane Derivative

    Akihiro Shimizu;Yoshito Tobe

  • Metal‐ and Chemical‐Oxidant‐Free CH/CH Cross‐Coupling of Aromatic Compounds: The Use of Radical‐Cation Pools

    Tatsuya Morofuji;Akihiro Shimizu;Jun-ichi Yoshida

  • Singlet Diradical Character from Experiment

    Kenji Kamada;Koji Ohta;Akihiro Shimizu;Takashi Kubo

  • Direct C-N coupling of imidazoles with aromatic and benzylic compounds via Electrooxidative C-H functionalization

    Tatsuya Morofuji;Akihiro Shimizu;Jun-ichi Yoshida

  • Alternating covalent bonding interactions in a one-dimensional chain of a phenalenyl-based singlet biradical molecule having Kekulé structures.

    Akihiro Shimizu;Takashi Kubo;Mikio Uruichi;Kyuya Yakushi

  • Halogen and chalcogen cation pools stabilized by DMSO. Versatile reagents for alkene difunctionalization.

    Yosuke Ashikari;Akihiro Shimizu;Toshiki Nokami;Jun-ichi Yoshida

  • The Stabilized Cation Pool Method: Metal- and Oxidant-Free Benzylic C–H/Aromatic C–H Cross-Coupling

    Ryutaro Hayashi;Akihiro Shimizu;Jun-ichi Yoshida

  • Singlet Biradical Character of Phenalenyl-Based Kekulé Hydrocarbon with Naphthoquinoid Structure

    Takashi Kubo;Akihiro Shimizu;Mikio Uruichi;Kyuya Yakushi

  • Introduction of two lithiooxycarbonyl groups enhances cyclability of lithium batteries with organic cathode materials

    Akihiro Shimizu;Hiroki Kuramoto;Yutaka Tsujii;Toshiki Nokami

  • Resonance Balance Shift in Stacks of Delocalized Singlet Biradicals

    Akihiro Shimizu;Mikio Uruichi;Kyuya Yakushi;Hiroyuki Matsuzaki

  • Ambipolar organic field-effect transistors based on a low band gap semiconductor with balanced hole and electron mobilities

    Masayuki Chikamatsu;Takefumi Mikami;Jiro Chisaka;Yuji Yoshida

  • Non-alternant non-benzenoid kekulenes: the birth of a new kekulene family

    Hirokazu Miyoshi;Shunpei Nobusue;Akihiro Shimizu;Yoshito Tobe

  • Heterocyclization Approach for Electrooxidative Coupling of Functional Primary Alkylamines with Aromatics

    Tatsuya Morofuji;Akihiro Shimizu;Jun-ichi Yoshida

Frequent Co-Authors

Jun-ichi Yoshida
Jun-ichi Yoshida Kyoto University
Masayoshi Nakano
Masayoshi Nakano Osaka University
Takashi Kubo
Takashi Kubo Osaka University
Yoshito Tobe
Yoshito Tobe Osaka University
Ichiro Hisaki
Ichiro Hisaki Osaka University
Kazunobu Sato
Kazunobu Sato Osaka Metropolitan University
Benoît Champagne
Benoît Champagne University of Namur
Takeji Takui
Takeji Takui Osaka Metropolitan University
Daisuke Shiomi
Daisuke Shiomi Osaka Metropolitan University
Mikiji Miyata
Mikiji Miyata Osaka University

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