World's Best Scientists 2026 revealed!
Richard D. McCullough

Richard D. McCullough

D-Index & Metrics

Materials Science

D-Index
59
Citations
19399
World Ranking
7239
National Ranking
1793

Chemistry

D-Index
58
Citations
19386
World Ranking
10445
National Ranking
2885

Richard D. McCullough 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 Richard D. McCullough sits on this spectrum.

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 publications 1,163+

This scientist: 137 publications — 10th percentile

10% of scientists in this discipline score the same or lower.

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

Richard D. McCullough 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 Richard D. McCullough sits on this spectrum.

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 D-Index 165+

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 165 D-Index or more.

Research.com Recognitions

  • 2014 - Fellow, National Academy of Inventors

Overview

Richard D. McCullough is affiliated with Harvard University in the United States. Their recent research contributions, as reflected in publications from 2021 and 2023, span venues such as Prenatal Diagnosis and Advanced Electronic Materials.

Recent papers authored or co-authored by Richard D. McCullough include:

  • Issue Information, 2021, Prenatal Diagnosis
  • Masthead: (Adv. Electron. Mater. 2/2023), 2023, Advanced Electronic Materials
  • Masthead: (Adv. Electron. Mater. 6/2023), 2023, Advanced Electronic Materials
  • Masthead: (Adv. Electron. Mater. 5/2023), 2023, Advanced Electronic Materials

Frequent co-authors in their work include:

  • Peter Woias
  • Matthias Wuttig
  • Jong Chul Ahn
  • Marin Alexe
  • Hiroshi Amano

Frequently publishing in the following venues:

  • Advanced Electronic Materials
  • Prenatal Diagnosis

Richard D. McCullough received the fellowship designation as a Fellow of the National Academy of Inventors in 2014.

Best Publications

  • THE CHEMISTRY OF CONDUCTING POLYTHIOPHENES

    Richard D. McCullough

  • Design, synthesis, and control of conducting polymer architectures: structurally homogeneous poly(3-alkylthiophenes)

    Richard D. McCullough;Renae D. Lowe;Manikandan Jayaraman;Deborah L. Anderson

  • Advances in molecular design and synthesis of regioregular polythiophenes.

    Itaru Osaka;Richard D. McCullough

  • A Simple Method to Prepare Head‐to‐Tail Coupled, Regioregular Poly(3‐alkylthiophenes) Using Grignard Metathesis

    Robert S. Loewe;Sonya M. Khersonsky;Richard D. McCullough

  • Self-orienting head-to-tail poly(3-alkylthiophenes): new insights on structure-property relationships in conducting polymers

    Richard D. McCullough;Stephanie Tristram-Nagle;Shawn P. Williams;Renae D. Lowe

  • Experimental evidence for the quasi-living nature of the grignard metathesis method for the synthesis of regioregular poly(3-alkylthiophenes)

    Mihaela Corina Iovu;Elena E. Sheina;Roberto R. Gil;Richard D. McCullough

  • Enhanced electrical conductivity in regioselectively synthesized poly(3-alkylthiophenes)

    Richard D. McCullough;Renae D. Lowe

  • Regioregular, Head-to-Tail Coupled Poly(3-alkylthiophenes) Made Easy by the GRIM Method: Investigation of the Reaction and the Origin of Regioselectivity

    Robert S. Loewe;Paul C. Ewbank;Jinsong Liu;Lei Zhai

  • Chain Growth Mechanism for Regioregular Nickel-Initiated Cross-Coupling Polymerizations

    Elena E. Sheina;Jinsong Liu;Mihaela Corina Iovu;Darin W. Laird

  • Nanostructure Dependence of Field-Effect Mobility in Regioregular Poly(3-hexylthiophene) Thin Film Field Effect Transistors

    Rui Zhang;Bo Li;Mihaela Corina Iovu;Malika Jeffries-El

  • Tuning the electrical conductivity and self-assembly of regioregular polythiophene by block copolymerization: nanowire morphologies in new di- and triblock copolymers.

    Jinsong Liu;Elena Sheina;Tomasz Kowalewski;Richard D. McCullough

  • Evidence of a Novel Side Chain Structure in Regioregular Poly(3-alkylthiophenes)

    T. J. Prosa;M. J. Winokur;R. D. Mccullough

  • Facile Synthesis of End-Functionalized Regioregular Poly(3-alkylthiophene)s via Modified Grignard Metathesis Reaction

    Malika Jeffries-El;Geneviève Sauve;Richard D. Mccullough

  • Employing MALDI-MS on Poly(alkylthiophenes): Analysis of Molecular Weights, Molecular Weight Distributions, End-Group Structures, and End-Group Modifications

    Jinsong Liu;Robert S. Loewe;Richard D. McCullough

  • Novel Thiophene‐Thiazolothiazole Copolymers for Organic Field‐Effect Transistors

    Itaru Osaka;Geneviève Sauve;Rui Zhang;Tomasz Kowalewski

  • Self-Assembly and Disassembly of Regioregular, Water Soluble Polythiophenes: Chemoselective Ionchromatic Sensing in Water

    Richard D. McCullough;Paul C. Ewbank;Robert S. Loewe

  • In‐Situ End‐Group Functionalization of Regioregular Poly(3‐alkylthiophene) Using the Grignard Metathesis Polymerization Method

    Malika Jeffries-El;Geneviève Sauve;Richard D. Mccullough

  • High-Lamellar Ordering and Amorphous-Like π-Network in Short-Chain Thiazolothiazole−Thiophene Copolymers Lead to High Mobilities

    Itaru Osaka;Rui Zhang;Geneviève Sauvé;Detlef-M. Smilgies

  • Conducting Regioregular Polythiophene Block Copolymer Nanofibrils Synthesized by Reversible Addition Fragmentation Chain Transfer Polymerization (RAFT) and Nitroxide Mediated Polymerization (NMP)

    Mihaela C. Iovu;C. Rockford Craley;Malika Jeffries-El;Ashley B. Krankowski

  • Toward tuning electrical and optical properties in conjugated polymers using side-chains: highly conductive head-to-tail, heteroatom functionalized polythiophenes

    Richard D. McCullough;Shawn P. Williams

Frequent Co-Authors

Dwaine O. Cowan
Dwaine O. Cowan Johns Hopkins University
Itaru Osaka
Itaru Osaka Hiroshima University
Lei Zhai
Lei Zhai University of Central Florida
Thomas Bjørnholm
Thomas Bjørnholm Villum Foundation
Gary K. Fedder
Gary K. Fedder Carnegie Mellon University
Lee E. Weiss
Lee E. Weiss Carnegie Mellon University
Sara A. Majetich
Sara A. Majetich Carnegie Mellon University
Detlef-M. Smilgies
Detlef-M. Smilgies Cornell University
Stephanie Tristram-Nagle
Stephanie Tristram-Nagle Carnegie Mellon University
Kristian Kjaer
Kristian Kjaer Technical University of Denmark

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