World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
64
Citations
12663
World Ranking
8153
National Ranking
547

Hiroko Yamada 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 Hiroko Yamada 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: 391 publications — 79th percentile

79% of scientists in this discipline score the same or lower.

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

Hiroko Yamada 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 Hiroko Yamada 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: 64 D-Index — 56th percentile

56% of scientists in this discipline score the same or lower.

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

Overview

Hiroko Yamada is a researcher affiliated with the Nara Institute of Science and Technology in Japan. Their work primarily spans the fields of materials science and chemistry, with a significant focus on materials chemistry and organic chemistry.

Their research topics cover several specialized areas including crystallization and solubility studies, X-ray diffraction in crystallography, organic electronics and photovoltaics, porphyrin and phthalocyanine chemistry, luminescence and fluorescent materials, synthesis and properties of aromatic compounds, and conducting polymers and applications.

Yamada has contributed to numerous scientific publications in a range of respected venues. Frequent publication venues include:

  • The Cambridge Structural Database
  • ECS Meeting Abstracts
  • Chemistry - A European Journal
  • European Journal of Organic Chemistry
  • Angewandte Chemie International Edition

Key recent research papers include the following:

  • Small bandgap in atomically precise 17-atom-wide armchair-edged graphene nanoribbons (2020, Communications Materials)
  • Dinaphthothiepine Bisimide and Its Sulfoxide: Soluble Precursors for Perylene Bisimide (2020, Journal of the American Chemical Society)
  • Synthesis of polyacene by using a metal-organic framework (2023, Nature Synthesis)
  • On-surface synthesis and characterization of nitrogen-substituted undecacenes (2022, Nature Communications)
  • Synthesis and Morphological Control of Organic Semiconducting Materials Using the Precursor Approach (2020, Bulletin of the Chemical Society of Japan)

The researcher collaborates frequently with a number of colleagues, including:

  • Naoki Aratani
  • Hironobu Hayashi
  • Kyohei Matsuo
  • Daiki Kuzuhara
  • Songlin Xue

Yamada's scientific output includes more than 400 publications across their main fields of study. Their work involves practical applications in organic electronics and photovoltaics, as well as in crystallography techniques and organic synthesis. This interdisciplinary approach supports advancements in both chemical understanding and materials engineering.

Best Publications

  • 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

  • Design amphiphilic dipolar π-systems for stimuli-responsive luminescent materials using metastable states

    Shiki Yagai;Satoru Okamura;Yujiro Nakano;Mitsuaki Yamauchi

  • 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

  • Human protein factory for converting the transcriptome into an in vitro-expressed proteome,.

    Naoki Goshima;Yoshifumi Kawamura;Akiko Fukumoto;Aya Miura

  • 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

  • Long-lived charge-separated state generated in a ferrocene-meso,meso-linked porphyrin trimer-fullerene pentad with a high quantum yield.

    Hiroshi Imahori;Yuji Sekiguchi;Yukiyasu Kashiwagi;Tohru Sato

  • Chain Length Effect on the Structure and Photoelectrochemical Properties of Self-Assembled Monolayers of Porphyrins on Gold Electrodes

    Hiroshi Imahori;Hiroyuki Norieda;Yoshinobu Nishimura;Iwao Yamazaki

  • Comparison of reorganization energies for intra- and intermolecular electron transfer.

    Hiroshi Imahori;Hiroko Yamada;Dirk M. Guldi;Yoshito Endo

  • A Molecular Tetrad Allowing Efficient Energy Storage for 1.6 s at 163 K

    Dirk M. Guldi;Hiroshi Imahori;Koichi Tamaki;Yukiyasu Kashiwagi

  • Large photocurrent generation of gold electrodes modified with [60]fullerene-linked oligothiophenes bearing a tripodal rigid anchor.

    Daigo Hirayama;Kazuo Takimiya;Yoshio Aso;Tetsuo Otsubo

  • Photochemical Synthesis of Pentacene and its Derivatives

    Hiroko Yamada;Yuko Yamashita;Makoto Kikuchi;Hikaru Watanabe

  • Exciplex Intermediates in Photoinduced Electron Transfer of Porphyrin−Fullerene Dyads

    Tero J. Kesti;Nikolai V. Tkachenko;Visa Vehmanen;Hiroko Yamada

  • Catalytic effects of dioxygen on intramolecular electron transfer in radical ion pairs of zinc porphyrin-linked fullerenes.

    Shunichi Fukuzumi;Hiroshi Imahori;Hiroko Yamada;Mohamed E. El-Khouly

  • Synthesis, Structure, and Air‐stable N‐type Field‐Effect Transistor Behaviors of Functionalized Octaazanonacene‐8,19‐dione

    Chengyuan Wang;Jing Zhang;Guankui Long;Naoki Aratani

  • Self‐Organization of Hydrogen‐Bonding Naphthalene Chromophores into J‐type Nanorings and H‐type Nanorods: Impact of Regioisomerism

    Shiki Yagai;Yusaku Goto;Xu Lin;Takashi Karatsu

  • LPS-induced ROS generation and changes in glutathione level and their relation to the maturation of human monocyte-derived dendritic cells

    Hiroko Yamada;Toshiyuki Arai;Nobuyuki Endo;Kouhei Yamashita

  • On-surface light-induced generation of higher acenes and elucidation of their open-shell character

    José I. Urgel;Shantanu Mishra;Hironobu Hayashi;Jan Wilhelm

  • Activation of hypoxia-inducible factor 1 during macrophage differentiation

    Tomoyuki Oda;Kiichi Hirota;Kenichiro Nishi;Satoshi Takabuchi

  • Rylene Ribbons with Unusual Diradical Character

    Wangdong Zeng;Hoa Phan;Tun Seng Herng;Tullimilli Y. Gopalakrishna

  • Macrocyclic Polyradicaloids with Unusual Super-ring Structure and Global Aromaticity

    Chunchen Liu;María Eugenia Sandoval-Salinas;María Eugenia Sandoval-Salinas;Yongseok Hong;Tullimilli Y. Gopalakrishna

  • A facile one-pot synthesis of meso-aryl-substituted [14]triphyrin(2.1.1).

    Zhao-Li Xue;Zhen Shen;John Mack;Daiki Kuzuhara

  • Chain Length Effect on Photocurrent from Polymethylene-Linked Porphyrins in Self-Assembled Monolayers

    Hiroshi Imahori;Hiroyuki Norieda;Shinichiro Ozawa;Kiminori Ushida

  • An Investigation of Photocurrent Generation by Gold Electrodes Modified with Self-Assembled Monolayers of C60

    Hiroshi Imahori;Takayuki Azuma;Anawat Ajavakom;Hiroyuki Norieda

Frequent Co-Authors

Naoki Aratani
Naoki Aratani Nara Institute of Science and Technology
Hiroshi Imahori
Hiroshi Imahori Kyoto University
Shunichi Fukuzumi
Shunichi Fukuzumi Osaka University
Yoshiteru Sakata
Yoshiteru Sakata Osaka University
John Mack
John Mack Rhodes University
Atsuhiro Osuka
Atsuhiro Osuka Kyoto University
Alejandro L. Briseno
Alejandro L. Briseno University of Massachusetts Amherst
Jishan Wu
Jishan Wu National University of Singapore
Qichun Zhang
Qichun Zhang City University of Hong Kong
Dongho Kim
Dongho Kim Yonsei University

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