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Chemistry
USA
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 139 217 196 104 85 608 72314

Graham R. Fleming publications per year

The chart shows the history of publications by Graham R. Fleming between 1972 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Graham R. Fleming published across 54 years, from 1972 to 2025, averaging 12.4 papers a year. Output peaked at 24 publications in 1988. 18 of the 669 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1972 to 2025. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 1988. 1972: 1 publication 1973: 2 publications 1974: 3 publications 1975: 2 publications 1976: 1 publication 1977: 9 publications 1978: 7 publications 1979: 1 publication 1980: 5 publications 1981: 7 publications 1982: 8 publications 1983: 8 publications 1984: 9 publications 1985: 6 publications 1986: 15 publications 1987: 7 publications 1988: 24 publications 1989: 9 publications 1990: 19 publications 1991: 11 publications 1992: 20 publications 1993: 16 publications 1994: 12 publications 1995: 11 publications 1996: 17 publications 1997: 13 publications 1998: 11 publications 1999: 13 publications 2000: 14 publications 2001: 21 publications 2002: 19 publications 2003: 11 publications 2004: 20 publications 2005: 15 publications 2006: 23 publications 2007: 18 publications 2008: 16 publications 2009: 21 publications 2010: 17 publications 2011: 21 publications 2012: 16 publications 2013: 13 publications 2014: 17 publications 2015: 17 publications 2016: 17 publications 2017: 11 publications 2018: 7 publications 2019: 14 publications 2020: 14 publications 2021: 13 publications 2022: 18 publications 2023: 11 publications 2024: 9 publications 2025: 9 publications
1972 2025

669 publications in total across all disciplines

View publications per year as a table
Graham R. Fleming: publications per year, 1972 to 2025
Year Publications
1972 1
1973 2
1974 3
1975 2
1976 1
1977 9
1978 7
1979 1
1980 5
1981 7
1982 8
1983 8
1984 9
1985 6
1986 15
1987 7
1988 24
1989 9
1990 19
1991 11
1992 20
1993 16
1994 12
1995 11
1996 17
1997 13
1998 11
1999 13
2000 14
2001 21
2002 19
2003 11
2004 20
2005 15
2006 23
2007 18
2008 16
2009 21
2010 17
2011 21
2012 16
2013 13
2014 17
2015 17
2016 17
2017 11
2018 7
2019 14
2020 14
2021 13
2022 18
2023 11
2024 9
2025 9
Total 669
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Graham R. Fleming 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 Graham R. Fleming 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, 601–620 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: 608 publications — 93rd percentile

93% 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
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114 608
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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Graham R. Fleming 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 Graham R. Fleming 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, 138–139 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: 139 D-Index — 99th percentile

99% 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
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 16 139
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 United States Leader Award
  • 2025 - Research.com Chemistry in United States Leader Award
  • 2008 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 2007 - Member of the National Academy of Sciences
  • 1994 - Fellow of the Royal Society, United Kingdom
  • 1991 - Fellow of the American Academy of Arts and Sciences
  • 1986 - Fellow of John Simon Guggenheim Memorial Foundation
  • 1980 - Fellow of Alfred P. Sloan Foundation

Overview

Graham R. Fleming is affiliated with the University of California, Berkeley in the United States. Their research spans multiple disciplines, primarily focusing on Physics and Astronomy as well as Biochemistry, Genetics, and Molecular Biology.

The main fields of study include:

  • Physics and Astronomy
  • Biochemistry, Genetics and Molecular Biology

Within these areas, their work covers several subfields such as Molecular Biology, Atomic and Molecular Physics and Optics, Cellular and Molecular Neuroscience, Plant Science, and Physical and Theoretical Chemistry.

  • Molecular Biology
  • Atomic and Molecular Physics, and Optics
  • Cellular and Molecular Neuroscience
  • Plant Science
  • Physical and Theoretical Chemistry

Graham R. Fleming's research topics frequently explore Photosynthetic Processes and Mechanisms, Spectroscopy and Quantum Chemical Studies, Photoreceptor and Optogenetics Research, Photochemistry and Electron Transfer Studies, Light Effects on Plants, Advanced Chemical Physics Studies, and Perovskite Materials and Applications.

  • Photosynthetic Processes and Mechanisms
  • Spectroscopy and Quantum Chemical Studies
  • Photoreceptor and optogenetics research
  • Photochemistry and Electron Transfer Studies
  • Light effects on plants
  • Advanced Chemical Physics Studies
  • Perovskite Materials and Applications

The scientist has published frequently in venues such as The Journal of Physical Chemistry B, bioRxiv (Cold Spring Harbor Laboratory), Nature Communications, The Journal of Chemical Physics, and The Journal of Physical Chemistry Letters.

  • The Journal of Physical Chemistry B
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Nature Communications
  • The Journal of Chemical Physics
  • The Journal of Physical Chemistry Letters

Recent published papers include:

  • Single-photon absorption and emission from a natural photosynthetic complex, 2023, Nature
  • Halide perovskites enable polaritonic XY spin Hamiltonian at room temperature, 2022, Nature Materials
  • Room-temperature polariton quantum fluids in halide perovskites, 2022, Nature Communications
  • The initial charge separation step in oxygenic photosynthesis, 2022, Nature Communications
  • Vibronic mixing enables ultrafast energy flow in light-harvesting complex II, 2020, Nature Communications

Frequent coauthors in their publications include Krishna Niyogi, Eric A. Arsenault, Yusuke Yoneda, Masakazu Iwai, and Shiun-Jr Yang.

  • Krishna Niyogi
  • Eric A. Arsenault
  • Yusuke Yoneda
  • Masakazu Iwai
  • Shiun-Jr Yang

Graham R. Fleming has been recognized with several awards and honors throughout their career, including being named a Fellow of the American Association for the Advancement of Science (2008), a Member of the National Academy of Sciences (2007), a Fellow of the Royal Society in the United Kingdom (1994), a Fellow of the American Academy of Arts and Sciences (1991), a Fellow of the John Simon Guggenheim Memorial Foundation (1986), and a Fellow of the Alfred P. Sloan Foundation (1980).

Best Publications

  • Evidence for wavelike energy transfer through quantum coherence in photosynthetic systems

    Gregory S. Engel;Gregory S. Engel;Tessa R. Calhoun;Tessa R. Calhoun;Elizabeth L. Read;Elizabeth L. Read;Tae-Kyu Ahn;Tae-Kyu Ahn

  • Lessons from nature about solar light harvesting

    Gregory D. Scholes;Graham R. Fleming;Graham R. Fleming;Alexandra Olaya-Castro;Rienk van Grondelle

  • Comparing photosynthetic and photovoltaic efficiencies and recognizing the potential for improvement.

    Robert E. Blankenship;David M. Tiede;James Barber;James Barber;Gary W. Brudvig

  • Femtosecond solvation dynamics of water

    Ralph Jimenez;Graham R. Fleming;P. V. Kumar;M. Maroncelli

  • Two-dimensional spectroscopy of electronic couplings in photosynthesis

    Tobias Brixner;Tobias Brixner;Jens Stenger;Jens Stenger;Harsha M. Vaswani;Harsha M. Vaswani;Minhaeng Cho

  • Picosecond solvation dynamics of coumarin 153: The importance of molecular aspects of solvation

    Mark Maroncelli;Graham R. Fleming

  • Coherence Dynamics in Photosynthesis: Protein Protection of Excitonic Coherence

    Hohjai Lee;Yuan-Chung Cheng;Graham R. Fleming

  • Chemical applications of ultrafast spectroscopy

    Graham R. Fleming

  • Theoretical examination of quantum coherence in a photosynthetic system at physiological temperature

    Akihito Ishizaki;Graham R. Fleming

  • Carotenoid Cation Formation and the Regulation of Photosynthetic Light Harvesting

    Nancy E. Holt;Donatas Zigmantas;Donatas Zigmantas;Leonas Valkunas;Xiao-Ping Li

  • Unified treatment of quantum coherent and incoherent hopping dynamics in electronic energy transfer: reduced hierarchy equation approach.

    Akihito Ishizaki;Graham R. Fleming

  • Quantum entanglement in photosynthetic light-harvesting complexes

    Mohan Sarovar;Akihito Ishizaki;Akihito Ishizaki;Graham R. Fleming;Graham R. Fleming;K. Birgitta Whaley

  • Dynamics of light harvesting in photosynthesis.

    Yuan-Chung Cheng;Graham R. Fleming

  • Polar Solvent Dynamics and Electron-Transfer Reactions

    Mark Maroncelli;Jean MacInnis;Graham R. Fleming

  • Calculation of Couplings and Energy-Transfer Pathways between the Pigments of LH2 by the ab Initio Transition Density Cube Method

    Brent P. Krueger;Gregory D. Scholes;Graham R. Fleming

  • CHROMOPHORE-SOLVENT DYNAMICS

    Graham R. Fleming;Minhaeng Cho

  • Phase-stabilized two-dimensional electronic spectroscopy

    Tobias Brixner;Tomáš Mančal;Igor V. Stiopkin;Graham R. Fleming

  • Fluorescence-detected wave packet interferometry: Time resolved molecular spectroscopy with sequences of femtosecond phase-locked pulses

    Norbert F. Scherer;Roger J. Carlson;Alexander Matro;Mei Du

  • Using coherence to enhance function in chemical and biophysical systems

    Gregory D. Scholes;Graham R. Fleming;Lin X. Chen;Lin X. Chen;Alán Aspuru-Guzik

  • Computer simulation of the dynamics of aqueous solvation

    Mark Maroncelli;Graham R. Fleming

Frequent Co-Authors

Krishna K. Niyogi
Krishna K. Niyogi University of California, Berkeley
Roberto Bassi
Roberto Bassi University of Verona
Gregory D. Scholes
Gregory D. Scholes Princeton University
Minhaeng Cho
Minhaeng Cho Korea University
Matteo Ballottari
Matteo Ballottari University of Verona
Sandra J. Rosenthal
Sandra J. Rosenthal Vanderbilt University
Mark Maroncelli
Mark Maroncelli Pennsylvania State University
James R. Norris
James R. Norris University of Chicago
Taiha Joo
Taiha Joo Pohang University of Science and Technology
Ritesh Agarwal
Ritesh Agarwal University of Pennsylvania

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