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
Electronics and Electrical Engineering 50 2816 2701 157 153 208 9550
Materials Science 51 9882 9543 394 375 209 9674

Graham A. Turnbull publications per year

The chart shows the history of publications by Graham A. Turnbull between 1996 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Graham A. Turnbull published across 31 years, from 1996 to 2026, averaging 8 papers a year. Output peaked at 15 publications in 2019. 8 of the 248 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1996 to 2026. Vertical axis: number of publications, 0 to 15. Peak 15 publications in 2019. 1996: 1 publication 1997: 2 publications 1998: 12 publications 1999: 6 publications 2000: 7 publications 2001: 4 publications 2002: 9 publications 2003: 8 publications 2004: 8 publications 2005: 10 publications 2006: 3 publications 2007: 12 publications 2008: 6 publications 2009: 12 publications 2010: 7 publications 2011: 5 publications 2012: 9 publications 2013: 9 publications 2014: 6 publications 2015: 13 publications 2016: 7 publications 2017: 10 publications 2018: 11 publications 2019: 15 publications 2020: 10 publications 2021: 9 publications 2022: 6 publications 2023: 12 publications 2024: 11 publications 2025: 7 publications 2026: 1 publication
1996 2026

248 publications in total across all disciplines

View publications per year as a table
Graham A. Turnbull: publications per year, 1996 to 2026
Year Publications
1996 1
1997 2
1998 12
1999 6
2000 7
2001 4
2002 9
2003 8
2004 8
2005 10
2006 3
2007 12
2008 6
2009 12
2010 7
2011 5
2012 9
2013 9
2014 6
2015 13
2016 7
2017 10
2018 11
2019 15
2020 10
2021 9
2022 6
2023 12
2024 11
2025 7
2026 1
Total 248
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Graham A. Turnbull publication distribution in Electronics and Electrical Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where Graham A. Turnbull sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 53 bars. Horizontal axis: publications, 34–53 to 1,065+. Vertical axis: number of scientists, 0 to 445. Most scientists, 445, have 174–193 publications. The last bar groups every scientist with 1,065 publications or more. The highlighted bar, 194–213 publications, is where this scientist sits. 34–53 publications: 24 scientists 54–73 publications: 52 scientists 74–93 publications: 114 scientists 94–113 publications: 203 scientists 114–133 publications: 269 scientists 134–153 publications: 355 scientists 154–173 publications: 403 scientists 174–193 publications: 445 scientists 194–213 publications: 430 scientists 214–233 publications: 431 scientists 234–253 publications: 399 scientists 254–273 publications: 366 scientists 274–293 publications: 335 scientists 294–313 publications: 300 scientists 314–333 publications: 276 scientists 334–353 publications: 250 scientists 354–373 publications: 214 scientists 374–393 publications: 187 scientists 394–413 publications: 152 scientists 414–433 publications: 169 scientists 434–453 publications: 147 scientists 454–473 publications: 111 scientists 474–493 publications: 117 scientists 494–513 publications: 103 scientists 514–533 publications: 99 scientists 534–553 publications: 92 scientists 554–573 publications: 75 scientists 574–593 publications: 58 scientists 594–613 publications: 69 scientists 614–633 publications: 50 scientists 634–653 publications: 62 scientists 654–673 publications: 54 scientists 674–693 publications: 44 scientists 694–713 publications: 37 scientists 714–733 publications: 28 scientists 734–753 publications: 26 scientists 754–773 publications: 26 scientists 774–793 publications: 19 scientists 794–813 publications: 23 scientists 814–833 publications: 20 scientists 834–853 publications: 16 scientists 854–873 publications: 20 scientists 874–893 publications: 11 scientists 894–913 publications: 11 scientists 914–933 publications: 16 scientists 934–953 publications: 13 scientists 954–973 publications: 10 scientists 974–993 publications: 11 scientists 994–1,013 publications: 9 scientists 1,014–1,033 publications: 9 scientists 1,034–1,053 publications: 10 scientists 1,054–1,064 publications: 6 scientists 1,065+ publications: 99 scientists
34–53 publications 1,065+

This scientist: 208 publications — 32nd percentile

32% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,065 publications or more.

View publications distribution as a table
Number of Electronics and Electrical Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
Publications Scientists This scientist
34–53 24
54–73 52
74–93 114
94–113 203
114–133 269
134–153 355
154–173 403
174–193 445
194–213 430 208
214–233 431
234–253 399
254–273 366
274–293 335
294–313 300
314–333 276
334–353 250
354–373 214
374–393 187
394–413 152
414–433 169
434–453 147
454–473 111
474–493 117
494–513 103
514–533 99
534–553 92
554–573 75
574–593 58
594–613 69
614–633 50
634–653 62
654–673 54
674–693 44
694–713 37
714–733 28
734–753 26
754–773 26
774–793 19
794–813 23
814–833 20
834–853 16
854–873 20
874–893 11
894–913 11
914–933 16
934–953 13
954–973 10
974–993 11
994–1,013 9
1,014–1,033 9
1,034–1,053 10
1,054–1,064 6
1,065+ 99
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Graham A. Turnbull D-index placement in Electronics and Electrical Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Electronics and Electrical Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Graham A. Turnbull sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 82 bars. Horizontal axis: D-Index, 30 to 111+. Vertical axis: number of scientists, 0 to 263. Most scientists, 263, have 32 D-Index. The last bar groups every scientist with 111 D-Index or more. The highlighted bar, 50 D-Index, is where this scientist sits. 30 D-Index: 178 scientists 31 D-Index: 257 scientists 32 D-Index: 263 scientists 33 D-Index: 262 scientists 34 D-Index: 244 scientists 35 D-Index: 236 scientists 36 D-Index: 211 scientists 37 D-Index: 220 scientists 38 D-Index: 214 scientists 39 D-Index: 214 scientists 40 D-Index: 205 scientists 41 D-Index: 187 scientists 42 D-Index: 194 scientists 43 D-Index: 201 scientists 44 D-Index: 155 scientists 45 D-Index: 189 scientists 46 D-Index: 148 scientists 47 D-Index: 160 scientists 48 D-Index: 134 scientists 49 D-Index: 130 scientists 50 D-Index: 141 scientists 51 D-Index: 156 scientists 52 D-Index: 108 scientists 53 D-Index: 130 scientists 54 D-Index: 112 scientists 55 D-Index: 97 scientists 56 D-Index: 111 scientists 57 D-Index: 102 scientists 58 D-Index: 108 scientists 59 D-Index: 120 scientists 60 D-Index: 103 scientists 61 D-Index: 93 scientists 62 D-Index: 92 scientists 63 D-Index: 74 scientists 64 D-Index: 77 scientists 65 D-Index: 73 scientists 66 D-Index: 64 scientists 67 D-Index: 69 scientists 68 D-Index: 60 scientists 69 D-Index: 39 scientists 70 D-Index: 57 scientists 71 D-Index: 59 scientists 72 D-Index: 46 scientists 73 D-Index: 49 scientists 74 D-Index: 38 scientists 75 D-Index: 35 scientists 76 D-Index: 32 scientists 77 D-Index: 35 scientists 78 D-Index: 31 scientists 79 D-Index: 22 scientists 80 D-Index: 34 scientists 81 D-Index: 31 scientists 82 D-Index: 34 scientists 83 D-Index: 23 scientists 84 D-Index: 18 scientists 85 D-Index: 30 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 20 scientists 89 D-Index: 8 scientists 90 D-Index: 17 scientists 91 D-Index: 7 scientists 92 D-Index: 14 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 12 scientists 97 D-Index: 10 scientists 98 D-Index: 10 scientists 99 D-Index: 12 scientists 100 D-Index: 16 scientists 101 D-Index: 5 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 8 scientists 105 D-Index: 9 scientists 106 D-Index: 13 scientists 107 D-Index: 4 scientists 108 D-Index: 5 scientists 109 D-Index: 10 scientists 110 D-Index: 8 scientists 111+ D-Index: 96 scientists
30 D-Index 111+

This scientist: 50 D-Index — 60th percentile

60% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 111 D-Index or more.

View D-Index distribution as a table
Number of Electronics and Electrical Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
D-Index Scientists This scientist
30 178
31 257
32 263
33 262
34 244
35 236
36 211
37 220
38 214
39 214
40 205
41 187
42 194
43 201
44 155
45 189
46 148
47 160
48 134
49 130
50 141 50
51 156
52 108
53 130
54 112
55 97
56 111
57 102
58 108
59 120
60 103
61 93
62 92
63 74
64 77
65 73
66 64
67 69
68 60
69 39
70 57
71 59
72 46
73 49
74 38
75 35
76 32
77 35
78 31
79 22
80 34
81 31
82 34
83 23
84 18
85 30
86 19
87 19
88 20
89 8
90 17
91 7
92 14
93 9
94 15
95 10
96 12
97 10
98 10
99 12
100 16
101 5
102 7
103 7
104 8
105 9
106 13
107 4
108 5
109 10
110 8
111+ 96
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Overview

Graham A. Turnbull is affiliated with the University of St Andrews in the United Kingdom. Their research primarily falls within the field of Engineering, with a focus on Electrical and Electronic Engineering, Materials Chemistry, Atomic and Molecular Physics, and Optics. Additional subfields of study include Oceanography and Spectroscopy.

Their work encompasses several main topics, including Organic Light-Emitting Diodes Research, Organic Electronics and Photovoltaics, Perovskite Materials and Applications, Luminescence and Fluorescent Materials, Strong Light-Matter Interactions, Molecular Junctions and Nanostructures, and Semiconductor Lasers and Optical Devices.

Turnbull has contributed to a variety of scholarly publications. Recent papers include:

  • Electrically driven organic laser using integrated OLED pumping (2023, Nature)
  • 245 MHz bandwidth organic light-emitting diodes used in a gigabit optical wireless data link (2020, Nature Communications)
  • Organic photovoltaics for simultaneous energy harvesting and high-speed MIMO optical wireless communications (2021, Light Science & Applications)
  • Organic semiconductors for visible light communications (2020, Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences)
  • Triple-cation perovskite solar cells for visible light communications (2020, Photonics Research)

The scientist frequently collaborates with peers such as Ifor D. W. Samuel, Ross N. Gillanders, Kou Yoshida, Harald Haas, and Lethy Krishnan Jagadamma.

Turnbull's research has been published in various notable venues, including:

  • arXiv (Cornell University)
  • Nature Communications
  • Light Science & Applications
  • Laser & Photonics Review
  • Proceedings of the Royal Society B Biological Sciences

Best Publications

  • Organic semiconductor lasers.

    I D W Samuel;G A Turnbull

  • The generation of free-space Laguerre-Gaussian modes at millimetre-wave frequencies by use of a spiral phaseplate

    G.A. Turnbull;D.A. Robertson;G.M. Smith;L. Allen

  • How to recognize lasing

    Ifor D. W. Samuel;Ifor D. W. Samuel;Ebinazar B. Namdas;Graham A. Turnbull

  • Hybrid optoelectronics: A polymer laser pumped by a nitride light-emitting diode

    Y. Yang;G. A. Turnbull;I. D. W. Samuel

  • Emission Characteristics and Performance Comparison of Polyfluorene Lasers with One- and Two-Dimensional Distributed Feedback

    G. Heliotis;R. Xia;G. A. Turnbull;P. Andrew

  • Relationship between photonic band structure and emission characteristics of a polymer distributed feedback laser

    G. A. Turnbull;P. Andrew;M. J. Jory;William L. Barnes

  • Light amplification and gain in polyfluorene waveguides

    George Heliotis;Donal D. C. Bradley;Graham A. Turnbull;If Or D. W. Samuel

  • Operating characteristics of a semiconducting polymer laser pumped by a microchip laser

    G. A. Turnbull;P. Andrew;William L. Barnes;I. D. W. Samuel

  • Flexible and Ultra-Lightweight Polymer Membrane Lasers

    Markus Karl;James M. E. Glackin;Marcel Schubert;Nils M. Kronenberg

  • Visible light communication using a blue GaN mu LED and fluorescent polymer color converter

    Hyunchae Chun;Pavlos Manousiadis;Sujan Rajbhandari;Dimali A. Vithanage

  • Blue, surface-emitting, distributed feedback polyfluorene lasers

    G. Heliotis;R. Xia;D. D. C. Bradley;G. A. Turnbull

  • Probing the energy levels of perovskite solar cells via Kelvin probe and UV ambient pressure photoemission spectroscopy

    Jonathon Robert Harwell;T. K. Baikie;I. D. Baikie;Julia Louise Payne

  • Electrically driven organic laser using integrated OLED pumping

    Unknown

  • Nanoimprinted organic semiconductor laser pumped by a light-emitting diode

    Georgios Tsiminis;Yue Wang;Alexander L. Kanibolotsky;Anto R. Inigo

  • Two-dimensional distributed feedback lasers using a broadband, red polyfluorene gain medium

    G. Heliotis;R. Xia;D. D. C. Bradley;G. A. Turnbull

  • Low-threshold organic laser based on an oligofluorene truxene with low optical losses

    Georgios Tsiminis;Yue Wang;Paul E. Shaw;Alexander L. Kanibolotsky

  • Polymer lasers: recent advances

    Ifor D.W. Samuel;Graham A. Turnbull

  • Polymer laser fabricated by a simple micromolding process

    Justin R. Lawrence;Graham A. Turnbull;Ifor D. W. Samuel

  • Sensitive Explosive Vapor Detection with Polyfluorene Lasers

    Ying Yang;Graham A. Turnbull;Ifor D. W. Samuel

  • Diode pumped distributed Bragg reflector lasers based on a dye-to-polymer energy transfer blend.

    A. E. Vasdekis;G. Tsiminis;J.-C. Ribierre;Liam O’Faolain

  • Organic solar cells as high-speed data detectors for visible light communication

    Shuyu Zhang;Dobroslav Tsonev;Stefan Videv;Sanjay Ghosh

Frequent Co-Authors

Ifor D. W. Samuel
Ifor D. W. Samuel University of St Andrews
Peter J. Skabara
Peter J. Skabara University of Glasgow
Majid Ebrahim-Zadeh
Majid Ebrahim-Zadeh Institute of Photonic Sciences
Dominic O'Brien
Dominic O'Brien University of Oxford
Sujan Rajbhandari
Sujan Rajbhandari University of Strathclyde
Grahame Faulkner
Grahame Faulkner University of Oxford
William L. Barnes
William L. Barnes University of Exeter
Martin D. Dawson
Martin D. Dawson University of Strathclyde
Harald Haas
Harald Haas University of Cambridge
Malte C. Gather
Malte C. Gather University of St Andrews

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