World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 72 4076 3946 1099 1034 289 17430
Chemistry 72 5288 4802 1647 1373 281 17509

Garry Rumbles publications per year

The chart shows the history of publications by Garry Rumbles between 1981 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Garry Rumbles published across 45 years, from 1981 to 2025, averaging 7.9 papers a year. Output peaked at 30 publications in 2023. 25 of the 357 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1981 to 2025. Vertical axis: number of publications, 0 to 30. Peak 30 publications in 2023. 1981: 1 publication 1982: 1 publication 1983: 2 publications 1984: 1 publication 1985: 1 publication 1986: 2 publications 1987: 1 publication 1988: 1 publication 1989: 3 publications 1990: 1 publication 1991: 1 publication 1992: 4 publications 1993: 5 publications 1994: 5 publications 1995: 3 publications 1996: 4 publications 1997: 7 publications 1998: 5 publications 1999: 8 publications 2000: 12 publications 2001: 9 publications 2002: 8 publications 2003: 6 publications 2004: 6 publications 2005: 16 publications 2006: 29 publications 2007: 21 publications 2008: 14 publications 2009: 8 publications 2010: 12 publications 2011: 8 publications 2012: 11 publications 2013: 7 publications 2014: 16 publications 2015: 13 publications 2016: 13 publications 2017: 8 publications 2018: 5 publications 2019: 4 publications 2020: 6 publications 2021: 4 publications 2022: 10 publications 2023: 30 publications 2024: 15 publications 2025: 10 publications
1981 2025

357 publications in total across all disciplines

View publications per year as a table
Garry Rumbles: publications per year, 1981 to 2025
Year Publications
1981 1
1982 1
1983 2
1984 1
1985 1
1986 2
1987 1
1988 1
1989 3
1990 1
1991 1
1992 4
1993 5
1994 5
1995 3
1996 4
1997 7
1998 5
1999 8
2000 12
2001 9
2002 8
2003 6
2004 6
2005 16
2006 29
2007 21
2008 14
2009 8
2010 12
2011 8
2012 11
2013 7
2014 16
2015 13
2016 13
2017 8
2018 5
2019 4
2020 6
2021 4
2022 10
2023 30
2024 15
2025 10
Total 357
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Garry Rumbles publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Garry Rumbles sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 57 bars. Horizontal axis: publications, 50–69 to 1,163+. Vertical axis: number of scientists, 0 to 891. Most scientists, 891, have 190–209 publications. The last bar groups every scientist with 1,163 publications or more. The highlighted bar, 270–289 publications, is where this scientist sits. 50–69 publications: 28 scientists 70–89 publications: 152 scientists 90–109 publications: 356 scientists 110–129 publications: 487 scientists 130–149 publications: 723 scientists 150–169 publications: 835 scientists 170–189 publications: 850 scientists 190–209 publications: 891 scientists 210–229 publications: 862 scientists 230–249 publications: 766 scientists 250–269 publications: 726 scientists 270–289 publications: 665 scientists 290–309 publications: 593 scientists 310–329 publications: 537 scientists 330–349 publications: 477 scientists 350–369 publications: 440 scientists 370–389 publications: 356 scientists 390–409 publications: 321 scientists 410–429 publications: 256 scientists 430–449 publications: 246 scientists 450–469 publications: 216 scientists 470–489 publications: 212 scientists 490–509 publications: 174 scientists 510–529 publications: 194 scientists 530–549 publications: 162 scientists 550–569 publications: 131 scientists 570–589 publications: 111 scientists 590–609 publications: 103 scientists 610–629 publications: 99 scientists 630–649 publications: 77 scientists 650–669 publications: 92 scientists 670–689 publications: 56 scientists 690–709 publications: 53 scientists 710–729 publications: 53 scientists 730–749 publications: 38 scientists 750–769 publications: 52 scientists 770–789 publications: 43 scientists 790–809 publications: 38 scientists 810–829 publications: 34 scientists 830–849 publications: 25 scientists 850–869 publications: 18 scientists 870–889 publications: 20 scientists 890–909 publications: 24 scientists 910–929 publications: 27 scientists 930–949 publications: 20 scientists 950–969 publications: 17 scientists 970–989 publications: 10 scientists 990–1,009 publications: 16 scientists 1,010–1,029 publications: 13 scientists 1,030–1,049 publications: 12 scientists 1,050–1,069 publications: 9 scientists 1,070–1,089 publications: 8 scientists 1,090–1,109 publications: 7 scientists 1,110–1,129 publications: 9 scientists 1,130–1,149 publications: 2 scientists 1,150–1,162 publications: 5 scientists 1,163+ publications: 100 scientists
50–69 publications 1,163+

This scientist: 289 publications — 57th percentile

57% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

View publications distribution as a table
Number of Materials Science scientists by publication count, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
Publications Scientists This scientist
50–69 28
70–89 152
90–109 356
110–129 487
130–149 723
150–169 835
170–189 850
190–209 891
210–229 862
230–249 766
250–269 726
270–289 665 289
290–309 593
310–329 537
330–349 477
350–369 440
370–389 356
390–409 321
410–429 256
430–449 246
450–469 216
470–489 212
490–509 174
510–529 194
530–549 162
550–569 131
570–589 111
590–609 103
610–629 99
630–649 77
650–669 92
670–689 56
690–709 53
710–729 53
730–749 38
750–769 52
770–789 43
790–809 38
810–829 34
830–849 25
850–869 18
870–889 20
890–909 24
910–929 27
930–949 20
950–969 17
970–989 10
990–1,009 16
1,010–1,029 13
1,030–1,049 12
1,050–1,069 9
1,070–1,089 8
1,090–1,109 7
1,110–1,129 9
1,130–1,149 2
1,150–1,162 5
1,163+ 100
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Garry Rumbles D-index placement in Materials Science in 2026

The chart shows the D-index (discipline H-index) distribution of Materials Science scientists ranked by Research.com in 2026. The highlighted bar marks where Garry Rumbles sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 64 bars. Horizontal axis: D-Index, 40–41 to 165+. Vertical axis: number of scientists, 0 to 667. Most scientists, 667, have 52–53 D-Index. The last bar groups every scientist with 165 D-Index or more. The highlighted bar, 72–73 D-Index, is where this scientist sits. 40–41 D-Index: 211 scientists 42–43 D-Index: 450 scientists 44–45 D-Index: 612 scientists 46–47 D-Index: 612 scientists 48–49 D-Index: 598 scientists 50–51 D-Index: 657 scientists 52–53 D-Index: 667 scientists 54–55 D-Index: 621 scientists 56–57 D-Index: 597 scientists 58–59 D-Index: 610 scientists 60–61 D-Index: 587 scientists 62–63 D-Index: 606 scientists 64–65 D-Index: 533 scientists 66–67 D-Index: 490 scientists 68–69 D-Index: 469 scientists 70–71 D-Index: 378 scientists 72–73 D-Index: 421 scientists 74–75 D-Index: 359 scientists 76–77 D-Index: 323 scientists 78–79 D-Index: 299 scientists 80–81 D-Index: 230 scientists 82–83 D-Index: 210 scientists 84–85 D-Index: 195 scientists 86–87 D-Index: 203 scientists 88–89 D-Index: 175 scientists 90–91 D-Index: 175 scientists 92–93 D-Index: 142 scientists 94–95 D-Index: 121 scientists 96–97 D-Index: 117 scientists 98–99 D-Index: 107 scientists 100–101 D-Index: 88 scientists 102–103 D-Index: 85 scientists 104–105 D-Index: 68 scientists 106–107 D-Index: 62 scientists 108–109 D-Index: 57 scientists 110–111 D-Index: 45 scientists 112–113 D-Index: 49 scientists 114–115 D-Index: 50 scientists 116–117 D-Index: 34 scientists 118–119 D-Index: 38 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 28 scientists 126–127 D-Index: 24 scientists 128–129 D-Index: 33 scientists 130–131 D-Index: 28 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 20 scientists 136–137 D-Index: 23 scientists 138–139 D-Index: 17 scientists 140–141 D-Index: 12 scientists 142–143 D-Index: 17 scientists 144–145 D-Index: 21 scientists 146–147 D-Index: 13 scientists 148–149 D-Index: 11 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 13 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 4 scientists 162–163 D-Index: 4 scientists 164 D-Index: 3 scientists 165+ D-Index: 98 scientists
40–41 D-Index 165+

This scientist: 72 D-Index — 69th percentile

69% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

View D-Index distribution as a table
Number of Materials Science scientists by D-index, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
D-Index Scientists This scientist
40–41 211
42–43 450
44–45 612
46–47 612
48–49 598
50–51 657
52–53 667
54–55 621
56–57 597
58–59 610
60–61 587
62–63 606
64–65 533
66–67 490
68–69 469
70–71 378
72–73 421 72
74–75 359
76–77 323
78–79 299
80–81 230
82–83 210
84–85 195
86–87 203
88–89 175
90–91 175
92–93 142
94–95 121
96–97 117
98–99 107
100–101 88
102–103 85
104–105 68
106–107 62
108–109 57
110–111 45
112–113 49
114–115 50
116–117 34
118–119 38
120–121 37
122–123 29
124–125 28
126–127 24
128–129 33
130–131 28
132–133 21
134–135 20
136–137 23
138–139 17
140–141 12
142–143 17
144–145 21
146–147 13
148–149 11
150–151 14
152–153 13
154–155 9
156–157 10
158–159 7
160–161 4
162–163 4
164 3
165+ 98
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Overview

Garry Rumbles is affiliated with the National Renewable Energy Laboratory in the United States. Their research spans multiple fields including Electrical and Electronic Engineering, Materials Chemistry, Organic Chemistry, Renewable Energy, Sustainability and the Environment, and Polymers and Plastics. This interdisciplinary foundation supports their work across various areas of materials science and photochemical processes.

The primary topics of Garry Rumbles' research include Organic Electronics and Photovoltaics, Perovskite Materials and Applications, Conducting Polymers and Applications, Molecular Junctions and Nanostructures, Radical Photochemical Reactions, Catalytic C-H Functionalization Methods, and Advanced Photocatalysis Techniques.

Garry Rumbles has contributed to several recent scientific papers, with notable publications such as:

  • "Reversible multicolor chromism in layered formamidinium metal halide perovskites", 2020, published in Nature Communications
  • "Ion-pair reorganization regulates reactivity in photoredox catalysts", 2022, published in Nature Chemistry
  • "PCET-Based Ligand Limits Charge Recombination with an Ir(III) Photoredox Catalyst", 2021, published in Journal of the American Chemical Society
  • "Controlled n-Doping of Naphthalene-Diimide-Based 2D Polymers", 2021, published in Advanced Materials
  • "Active-Site Environmental Factors Customize the Photophysics of Photoenzymatic Old Yellow Enzymes", 2020, published in The Journal of Physical Chemistry B

The scientist frequently publishes in a range of journal venues including the Journal of Materials Chemistry C, Analytical Methods, Chemical Communications, CrystEngComm, and ECS Meeting Abstracts.

Collaborations are a significant component of their research activity. Frequent co-authors include Obadiah G. Reid, Justin Earley, Anna Zieleniewska, Robert R. Knowles, and Hannah J. Sayre, reflecting ongoing partnerships within the photochemistry and materials science communities.

Best Publications

  • Excitons in nanoscale systems

    Gregory D. Scholes;Garry Rumbles

  • Heterojunction Modification for Highly Efficient Organic–Inorganic Perovskite Solar Cells

    Konrad Wojciechowski;Samuel D. Stranks;Antonio Abate;Golnaz Sadoughi

  • Fluorescence lifetime standards for time and frequency domain fluorescence spectroscopy

    Noël Boens;Wenwu Qin;Nikola Basarić;Johan Hofkens

  • Photovoltaic Devices with a Low Band Gap Polymer and CdSe Nanostructures Exceeding 3% Efficiency

    Smita Dayal;Nikos Kopidakis;Dana C. Olson;David S. Ginley

  • Organic solar cells with carbon nanotubes replacing In2O3:Sn as the transparent electrode

    Jao van de Lagemaat;Teresa M. Barnes;Garry Rumbles;Sean E. Shaheen

  • Photoenhancement of Luminescence in Colloidal CdSe Quantum Dot Solutions

    Marcus Jones;Jovan Nedeljkovic;Randy J. Ellingson;and Arthur J. Nozik

  • The impact of molecular weight on microstructure and charge transport in semicrystalline polymer semiconductors–poly(3-hexylthiophene), a model study

    Felix Peter Vinzenz Koch;Jonathan Rivnay;Sam Foster;Christian Müller;Christian Müller

  • Photoinduced Degradation of Polymer and Polymer–Fullerene Active Layers: Experiment and Theory

    Matthew O. Reese;Alexandre M. Nardes;Benjamin L. Rupert;Ross E. Larsen

  • Efficient interchain photoluminescence in a high-electron-affinity conjugated polymer.

    I. D. W. Samuel;G. Rumbles;C. J. Collison

  • Controlled assembly of hydrogenase-CdTe nanocrystal hybrids for solar hydrogen production.

    Katherine A. Brown;Smita Dayal;Xin Ai;Garry Rumbles

  • Pathways for the degradation of organic photovoltaic P3HT:PCBM based devices

    Matthew O. Reese;Anthony J. Morfa;Matthew S. White;Nikos Kopidakis

  • Revealing the Dynamics of Charge Carriers in Polymer:Fullerene Blends Using Photoinduced Time-Resolved Microwave Conductivity

    Tom J. Savenije;Andrew J. Ferguson;Nikos Kopidakis;Garry Rumbles

  • Mechanism for rapid growth of organic-inorganic halide perovskite crystals.

    Pabitra K. Nayak;David T. Moore;David T. Moore;Bernard Wenger;Simantini Nayak

  • Optimal negative electrodes for poly(3-hexylthiophene): [6,6]-phenyl C61-butyric acid methyl ester bulk heterojunction photovoltaic devices

    Matthew O. Reese;Matthew S. White;Garry Rumbles;David S. Ginley

  • The role of the side chain on the performance of n-type conjugated polymers in aqueous electrolytes

    Alexander Giovannitti;Iuliana P. Maria;David Hanifi;Mary J. Donahue

  • Theoretical studies on conjugated phenyl-cored thiophene dendrimers for photovoltaic applications.

    Muhammet E. Köse;William J. Mitchell;Nikos Kopidakis;Christopher H. Chang

  • Performance of bulk heterojunction photovoltaic devices prepared by airbrush spray deposition

    R. Green;A. Morfa;A. J. Ferguson;N. Kopidakis

  • Photoinduced charge carrier generation in a poly(3-hexylthiophene) and methanofullerene bulk heterojunction investigated by time-resolved terahertz spectroscopy.

    Xin Ai;Matthew C. Beard;Kelly P. Knutsen;Sean E. Shaheen

  • An Optimal Driving Force for Converting Excitons into Free Carriers in Excitonic Solar Cells

    David C. Coffey;Bryon W. Larson;Alexander W. Hains;James B. Whitaker

  • Grain-Size-Limited Mobility in Methylammonium Lead Iodide Perovskite Thin Films

    Obadiah G. Reid;Obadiah G. Reid;Mengjin Yang;Nikos Kopidakis;Kai Zhu

  • The efficiency and time-dependence of luminescence from poly (p-phenylene vinylene) and derivatives

    I. D W Samuel;B. Crystall;Gary Rumbles;P. L. Burn

Frequent Co-Authors

Nikos Kopidakis
Nikos Kopidakis National Renewable Energy Laboratory
Sean E. Shaheen
Sean E. Shaheen University of Colorado Boulder
Jeffrey L. Blackburn
Jeffrey L. Blackburn National Renewable Energy Laboratory
David S. Ginley
David S. Ginley National Renewable Energy Laboratory
Michael J. Heben
Michael J. Heben University of Toledo
Ifor D. W. Samuel
Ifor D. W. Samuel University of St Andrews
Jao van de Lagemaat
Jao van de Lagemaat National Renewable Energy Laboratory
Randy J. Ellingson
Randy J. Ellingson University of Toledo
Steven H. Strauss
Steven H. Strauss Colorado State University
Olga V. Boltalina
Olga V. Boltalina Colorado State University

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