World's Best Scientists 2026 revealed!
Takuji Hatakeyama

Takuji Hatakeyama

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 56 11462 10329 845 774 129 14783

Takuji Hatakeyama publications per year

The chart shows the history of publications by Takuji Hatakeyama between 2001 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Takuji Hatakeyama published across 26 years, from 2001 to 2026, averaging 7.8 papers a year. Output peaked at 23 publications in 2022. 20 of the 204 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 2001 to 2026. Vertical axis: number of publications, 0 to 23. Peak 23 publications in 2022. 2001: 1 publication 2002: 0 publications 2003: 2 publications 2004: 2 publications 2005: 1 publication 2006: 2 publications 2007: 5 publications 2008: 2 publications 2009: 11 publications 2010: 7 publications 2011: 7 publications 2012: 8 publications 2013: 3 publications 2014: 3 publications 2015: 9 publications 2016: 6 publications 2017: 7 publications 2018: 10 publications 2019: 7 publications 2020: 15 publications 2021: 17 publications 2022: 23 publications 2023: 21 publications 2024: 15 publications 2025: 19 publications 2026: 1 publication
2001 2026

204 publications in total across all disciplines

View publications per year as a table
Takuji Hatakeyama: publications per year, 2001 to 2026
Year Publications
2001 1
2002 0
2003 2
2004 2
2005 1
2006 2
2007 5
2008 2
2009 11
2010 7
2011 7
2012 8
2013 3
2014 3
2015 9
2016 6
2017 7
2018 10
2019 7
2020 15
2021 17
2022 23
2023 21
2024 15
2025 19
2026 1
Total 204
Download as CSV

Takuji Hatakeyama 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 Takuji Hatakeyama 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, 121–140 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: 129 publications — 8th percentile

8% 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
121–140 918 129
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
Download as CSV

Takuji Hatakeyama 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 Takuji Hatakeyama 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, 56–57 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: 56 D-Index — 36th percentile

36% 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 56
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
Download as CSV

Overview

Takuji Hatakeyama is affiliated with Kyoto University in Japan and has contributed extensively to the fields of materials science and engineering. Their work focuses notably on materials chemistry, electrical and electronic engineering, organic chemistry, physical and theoretical chemistry, and polymers and plastics.

The scientist's main research topics include organic light-emitting diodes (OLED) research, X-ray diffraction in crystallography, crystallization and solubility studies, luminescence and fluorescent materials, organic electronics and photovoltaics, organoboron and organosilicon chemistry, and the synthesis and properties of aromatic compounds.

Hatakeyama has a significant presence in various publication venues, including:

  • The Cambridge Structural Database
  • Angewandte Chemie International Edition
  • Journal of the American Chemical Society
  • Angewandte Chemie
  • Advanced Materials

Frequent collaborators in their research include Chihaya Adachi, Susumu Oda, Masashi Mamada, Soichiro Nakatsuka, and Nobuhiro Yasuda.

Some of the recent papers authored or co-authored by Hatakeyama are:

  • "Stable pure-blue hyperfluorescence organic light-emitting diodes with high-efficiency and narrow emission" (2021, Nature Photonics)
  • "Solution-Processable Pure Green Thermally Activated Delayed Fluorescence Emitter Based on the Multiple Resonance Effect" (2020, Advanced Materials)
  • "Carbazole-Based DABNA Analogues as Highly Efficient Thermally Activated Delayed Fluorescence Materials for Narrowband Organic Light-Emitting Diodes" (2020, Angewandte Chemie International Edition)
  • "Organoboron-based multiple-resonance emitters: synthesis, structure-property correlations, and prospects" (2024, Chemical Society Reviews)
  • "One-Shot Synthesis of Expanded Heterohelicene Exhibiting Narrowband Thermally Activated Delayed Fluorescence" (2021, Journal of the American Chemical Society)

Hatakeyama's work primarily deals with the development and study of advanced materials for organic electronics, focusing on the luminescence properties and structural characterization through X-ray diffraction techniques.

Best Publications

  • Ultrapure Blue Thermally Activated Delayed Fluorescence Molecules: Efficient HOMO–LUMO Separation by the Multiple Resonance Effect

    Takuji Hatakeyama;Takuji Hatakeyama;Kazushi Shiren;Kiichi Nakajima;Shintaro Nomura

  • Narrowband deep-blue organic light-emitting diode featuring an organoboron-based emitter

    Yasuhiro Kondo;Kazuki Yoshiura;Sayuri Kitera;Hiroki Nishi

  • One-Step Borylation of 1,3-Diaryloxybenzenes Towards Efficient Materials for Organic Light-Emitting Diodes

    Hiroki Hirai;Kiichi Nakajima;Soichiro Nakatsuka;Kazushi Shiren

  • One-Shot Multiple Borylation toward BN-Doped Nanographenes

    Kohei Matsui;Susumu Oda;Kazuki Yoshiura;Kiichi Nakajima

  • Highly selective biaryl cross-coupling reactions between aryl halides and aryl Grignard reagents: a new catalyst combination of N-heterocyclic carbenes and iron, cobalt, and nickel fluorides.

    Takuji Hatakeyama;Sigma Hashimoto;Kentaro Ishizuka;Masaharu Nakamura

  • Solution-Processable Pure Green Thermally Activated Delayed Fluorescence Emitter Based on the Multiple Resonance Effect.

    Naoya Ikeda;Susumu Oda;Ryuji Matsumoto;Mayu Yoshioka

  • Iron-Catalyzed Suzuki-Miyaura Coupling of Alkyl Halides

    Takuji Hatakeyama;Toru Hashimoto;Yoshiyuki Kondo;Yuichi Fujiwara

  • Iron-Catalyzed Selective Biaryl Coupling: Remarkable Suppression of Homocoupling by the Fluoride Anion

    Takuji Hatakeyama;Masaharu Nakamura

  • Synthesis of BN-fused polycyclic aromatics via tandem intramolecular electrophilic arene borylation.

    Takuji Hatakeyama;Sigma Hashimoto;Shu Seki;Masaharu Nakamura

  • One-Shot Synthesis of Expanded Heterohelicene Exhibiting Narrowband Thermally Activated Delayed Fluorescence

    Unknown

  • Carbazole-Based DABNA Analogues as Highly Efficient Thermally Activated Delayed Fluorescence Materials for Narrowband Organic Light-Emitting Diodes

    Susumu Oda;Wataru Kumano;Toshiki Hama;Ryosuke Kawasumi

  • Azaboradibenzo[6]helicene: Carrier Inversion Induced by Helical Homochirality

    Takuji Hatakeyama;Takuji Hatakeyama;Sigma Hashimoto;Tsuyoshi Oba;Masaharu Nakamura

  • Effect of TMEDA on iron-catalyzed coupling reactions of ArMgX with alkyl halides.

    Daisuke Noda;Yusuke Sunada;Takuji Hatakeyama;Masaharu Nakamura

  • Polycyclic aromatic compound

    Takuji Hatakeyama;Masaharu Nakamura;Sigma Hashimoto

  • Microgram-Scale Testing of Reaction Conditions in Solution Using Nanoliter Plugs in Microfluidics with Detection by MALDI-MS

    Takuji Hatakeyama;Delai L. Chen;Rustem F. Ismagilov

  • Hypsochromic Shift of Multiple-Resonance-Induced Thermally Activated Delayed Fluorescence by Oxygen Atom Incorporation

    Hiroyuki Tanaka;Susumu Oda;Gaetano Ricci;Hajime Gotoh

  • Multiple Resonance Effect-Induced Sky-Blue Thermally Activated Delayed Fluorescence with a Narrow Emission Band

    Susumu Oda;Bungo Kawakami;Ryosuke Kawasumi;Ryota Okita

  • Two-Step Synthesis of Boron-Fused Double Helicenes.

    Takazumi Katayama;Soichiro Nakatsuka;Hiroki Hirai;Nobuhiro Yasuda

  • Divergent Synthesis of Heteroatom-Centered 4,8,12-Triazatriangulenes.

    Soichiro Nakatsuka;Hajime Gotoh;Keisuke Kinoshita;Nobuhiro Yasuda

  • Iron‐Catalyzed Alkyl–Alkyl Suzuki–Miyaura Coupling

    Takuji Hatakeyama;Toru Hashimoto;Kalum K. A. D. S. Kathriarachchi;Takeshi Zenmyo

Frequent Co-Authors

Masaharu Nakamura
Masaharu Nakamura Kyoto University
Eiichi Nakamura
Eiichi Nakamura University of Tokyo
Chihaya Adachi
Chihaya Adachi Kyushu University
Hajime Nakanotani
Hajime Nakanotani Kyushu University
Hideo Nagashima
Hideo Nagashima Kyushu University
Satoshi Horike
Satoshi Horike Kyoto University
Yoshiki Sohrin
Yoshiki Sohrin Kyoto University
Adam S. Foster
Adam S. Foster Aalto University
Teruo Ono
Teruo Ono Kyoto University
Rustem F. Ismagilov
Rustem F. Ismagilov California Institute of Technology

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For students interested in exploring careers related to Chemistry, pursuing specialized online degrees can offer valuable opportunities. Programs like a forensic degree online combine chemical knowledge with investigative techniques, preparing graduates for roles in crime labs and legal settings.

Another promising option is enrolling in forensic psychology master's programs online. These programs blend psychology with criminal justice, offering a unique perspective for those interested in understanding criminal behavior within forensic contexts.

Understanding the diverse forensic career paths available can help students tailor their education to specific goals, whether in toxicology, crime scene analysis, or legal consulting. Many roles require strong foundations in chemistry, biology, and critical thinking.

When considering online programs, it’s important to weigh costs. Resources like criminal justice degree tuition guides provide insights into the financial commitments of various degrees, helping students make informed decisions about their educational investments.

Best Scientists Citing Takuji Hatakeyama

Trending Scientists

Recently Published Articles