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Shiki Yagai

Shiki Yagai

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 59 10397 9402 755 695 183 9648

Shiki Yagai publications per year

The chart shows the history of publications by Shiki Yagai between 1998 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Shiki Yagai published across 29 years, from 1998 to 2026, averaging 7 papers a year. Output peaked at 19 publications in 2019. 16 of the 202 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1998 to 2026. Vertical axis: number of publications, 0 to 19. Peak 19 publications in 2019. 1998: 1 publication 1999: 1 publication 2000: 0 publications 2001: 3 publications 2002: 1 publication 2003: 3 publications 2004: 5 publications 2005: 7 publications 2006: 4 publications 2007: 5 publications 2008: 12 publications 2009: 8 publications 2010: 11 publications 2011: 10 publications 2012: 7 publications 2013: 16 publications 2014: 7 publications 2015: 3 publications 2016: 5 publications 2017: 12 publications 2018: 5 publications 2019: 19 publications 2020: 13 publications 2021: 8 publications 2022: 9 publications 2023: 6 publications 2024: 5 publications 2025: 13 publications 2026: 3 publications
1998 2026

202 publications in total across all disciplines

View publications per year as a table
Shiki Yagai: publications per year, 1998 to 2026
Year Publications
1998 1
1999 1
2000 0
2001 3
2002 1
2003 3
2004 5
2005 7
2006 4
2007 5
2008 12
2009 8
2010 11
2011 10
2012 7
2013 16
2014 7
2015 3
2016 5
2017 12
2018 5
2019 19
2020 13
2021 8
2022 9
2023 6
2024 5
2025 13
2026 3
Total 202
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Shiki Yagai 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 Shiki Yagai 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, 181–200 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: 183 publications — 26th percentile

26% 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 1,344 183
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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Shiki Yagai 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 Shiki Yagai 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, 58–59 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: 59 D-Index — 44th percentile

44% 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 59
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

Shiki Yagai is affiliated with Chiba University in Japan and conducts research primarily in the fields of materials science and chemistry. Their work spans several subfields, including organic chemistry, biomaterials, materials chemistry, biomedical engineering, and molecular biology.

The main focus of their research involves supramolecular self-assembly in materials, with additional emphasis on polydiacetylene-based materials and applications, supramolecular chemistry and complexes, luminescence and fluorescent materials, synthesis and properties of aromatic compounds, covalent organic framework applications, and photochromic and fluorescence chemistry.

Their recent publications include the following:

  • Self-assembled poly-catenanes from supramolecular toroidal building blocks, 2020, Nature
  • Supramolecular copolymerization driven by integrative self-sorting of hydrogen-bonded rosettes, 2020, Nature Communications
  • Nanoengineering of Curved Supramolecular Polymers: Toward Single-Chain Mesoscale Materials, 2022, Accounts of Materials Research
  • Diarylethene-Powered Light-Induced Folding of Supramolecular Polymers, 2021, Journal of the American Chemical Society
  • Amplification of Molecular Asymmetry during the Hierarchical Self-Assembly of Foldable Azobenzene Dyads into Nanotoroids and Nanotubes, 2022, Journal of the American Chemical Society

Shiki Yagai frequently publishes in the following venues:

  • Journal of the American Chemical Society
  • Chemical Communications
  • Angewandte Chemie
  • Nature
  • Nature Communications

They collaborate regularly with a core group of co-authors, including:

  • Sougata Datta
  • Takuho Saito
  • Martin J. Hollamby
  • Takumi Aizawa
  • Atsushi Isobe

Best Publications

  • Recent advances in photoresponsive supramolecular self-assemblies.

    Shiki Yagai;Shiki Yagai;Akihide Kitamura

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

    Shiki Yagai;Satoru Okamura;Yujiro Nakano;Mitsuaki Yamauchi

  • Transformation from H- to J-aggregated perylene bisimide dyes by complexation with cyanurates.

    Shiki Yagai;Shiki Yagai;Tomohiro Seki;Takashi Karatsu;Akihide Kitamura

  • Hierarchical organization of photoresponsive hydrogen-bonded rosettes.

    Shiki Yagai;Toshiharu Nakajima;Keiki Kishikawa;Shigeo Kohmoto

  • Self-assembled poly-catenanes from supramolecular toroidal building blocks.

    Sougata Datta;Yasuki Kato;Seiya Higashiharaguchi;Keisuke Aratsu

  • Photocontrollable self-assembly.

    Shiki Yagai;Takashi Karatsu;Akihide Kitamura

  • A Black Perylene Bisimide Super Gelator with an Unexpected J‐Type Absorption Band

    Frank Würthner;Christoph Bauer;Vladimir Stepanenko;Shiki Yagai

  • Photoregulated Living Supramolecular Polymerization Established by Combining Energy Landscapes of Photoisomerization and Nucleation–Elongation Processes

    Mizuki Endo;Mizuki Endo;Tomoya Fukui;Tomoya Fukui;Sung Ho Jung;Shiki Yagai

  • Supramolecular Polymers Capable of Controlling Their Topology.

    Shiki Yagai;Yuichi Kitamoto;Sougata Datta;Bimalendu Adhikari

  • Supramolecularly Engineered Functional π-Assemblies Based on Complementary Hydrogen-Bonding Interactions

    Shiki Yagai

  • 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

  • Mechanochromic Luminescence Based on Crystal-to-Crystal Transformation Mediated by a Transient Amorphous State

    Shiki Yagai;Tomohiro Seki;Hiroaki Aonuma;Kohsuke Kawaguchi

  • Control over hierarchy levels in the self-assembly of stackable nanotoroids.

    Shiki Yagai;Mitsuaki Yamauchi;Ai Kobayashi;Takashi Karatsu

  • Supramolecularly Engineered Perylene Bisimide Assemblies Exhibiting Thermal Transition from Columnar to Multilamellar Structures

    Shiki Yagai;Mari Usui;Tomohiro Seki;Haruno Murayama

  • Toroidal Nanoobjects from Rosette Assemblies of Melamine‐Linked Oligo(p‐phenyleneethynylene)s and Cyanurates

    Shiki Yagai;Sankarapillai Mahesh;Yoshihiro Kikkawa;Kanako Unoike

  • Reversible transformation between rings and coils in a dynamic hydrogen-bonded self-assembly.

    Shiki Yagai;Shun Kubota;Hikaru Saito;Kanako Unoike

  • Synthetic zinc tetrapyrroles complexing with pyridine as a single axial ligand.

    Hitoshi Tamiaki;Shiki Yagai;Tomohiro Miyatake

  • Diversification of self-organized architectures in supramolecular dye assemblies.

    Shiki Yagai;Tetsuro Kinoshita;Masatsugu Higashi;Keiki Kishikawa

  • Light-induced unfolding and refolding of supramolecular polymer nanofibres.

    Bimalendu Adhikari;Yuki Yamada;Mitsuaki Yamauchi;Kengo Wakita

  • Photoresponsive Self-Assembly and Self-Organization of Hydrogen-Bonded Supramolecular Tapes

    Shiki Yagai;Tomoyuki Iwashima;Keiki Kishikawa;Shoichiro Nakahara

  • Phototriggered self-assembly of hydrogen-bonded rosette.

    Shiki Yagai;Toshiharu Nakajima;Takashi Karatsu;Ken-ichi Saitow

Frequent Co-Authors

Takashi Karatsu
Takashi Karatsu Chiba University
Shu Seki
Shu Seki Kyoto University
Hitoshi Tamiaki
Hitoshi Tamiaki Ritsumeikan University
Takashi Nakanishi
Takashi Nakanishi National Institute for Materials Science
Shin-ichi Adachi
Shin-ichi Adachi High Energy Accelerator Research Organization
Helmuth Möhwald
Helmuth Möhwald Max Planck Institute of Colloids and Interfaces
Ayyappanpillai Ajayaghosh
Ayyappanpillai Ajayaghosh CSIR – National Institute for Interdisciplinary Science and Technology
Takanori Fukushima
Takanori Fukushima Tokyo Institute of Technology
Hiroko Yamada
Hiroko Yamada Nara Institute of Science and Technology
Akinori Saeki
Akinori Saeki Osaka University

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