World's Best Scientists 2026 revealed!

D-Index & Metrics

Materials Science

D-Index
77
Citations
27320
World Ranking
3071
National Ranking
857

David A. Cullen 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 David A. Cullen 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: 303 publications — 61st percentile

61% of scientists in this discipline score the same or lower.

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

David A. Cullen 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 David A. Cullen 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: 77 D-Index — 76th percentile

76% of scientists in this discipline score the same or lower.

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

Overview

David A. Cullen is affiliated with Oak Ridge National Laboratory in the United States. Their research activity spans multiple fields, predominantly focused on engineering, energy, and materials science. These fields intersect through subfields such as electrical and electronic engineering, renewable energy, sustainability and the environment, materials chemistry, catalysis, and energy engineering and power technology.

The major topics in their work reflect a strong emphasis on energy conversion and storage technologies. Key topics include electrocatalysts for energy conversion, fuel cells and related materials, advanced battery technologies research, catalytic processes in materials science, hybrid renewable energy systems, and electron and X-ray spectroscopy techniques.

Selected recent papers authored or coauthored by David A. Cullen demonstrate a focus on catalysis and fuel cell technologies. These include:

  • "Electrochemical ammonia synthesis via nitrate reduction on Fe single atom catalyst" (2021, Nature Communications)
  • "New roads and challenges for fuel cells in heavy-duty transportation" (2021, Nature Energy)
  • "Efficient conversion of low-concentration nitrate sources into ammonia on a Ru-dispersed Cu nanowire electrocatalyst" (2022, Nature Nanotechnology)
  • "Performance enhancement and degradation mechanism identification of a single-atom Co-N-C catalyst for proton exchange membrane fuel cells" (2020, Nature Catalysis)
  • "Chemical vapour deposition of Fe-N-C oxygen reduction catalysts with full utilization of dense Fe-N4 sites" (2021, Nature Materials)

Frequent coauthors collaborating with David A. Cullen include Haoran Yu, Deborah J. Myers, Michael J. Zachman, Rangachary Mukundan, and Nancy N. Kariuki. These collaborations have supported ongoing research efforts in catalysis, electrochemical processes, and materials characterization.

The scientist's research has been disseminated in venues where they have multiple publications, notably ECS Meeting Abstracts, Microscopy and Microanalysis, Journal of The Electrochemical Society, ACS Applied Materials & Interfaces, and ACS Catalysis. The spectrum of publication venues underscores the multidisciplinary nature of their work, bridging fundamental materials studies and applied electrochemical systems.

Best Publications

  • Direct atomic-level insight into the active sites of a high-performance PGM-free ORR catalyst.

    Hoon T. Chung;David A. Cullen;Drew Higgins;Brian T. Sneed

  • Atomically dispersed manganese catalysts for oxygen reduction in proton-exchange membrane fuel cells

    Jiazhan Li;Jiazhan Li;Mengjie Chen;David A. Cullen;Sooyeon Hwang

  • Electrochemical ammonia synthesis via nitrate reduction on Fe single atom catalyst.

    Zhen-Yu Wu;Mohammadreza Karamad;Xue Yong;Qizheng Huang

  • New roads and challenges for fuel cells in heavy-duty transportation

    David A. Cullen;K. C. Neyerlin;Rajesh K. Ahluwalia;Rangachary Mukundan

  • Nitrogen-Coordinated Single Cobalt Atom Catalysts for Oxygen Reduction in Proton Exchange Membrane Fuel Cells.

    Xiao Xia Wang;Xiao Xia Wang;David A. Cullen;Yung‐Tin Pan;Sooyeon Hwang

  • Highly active atomically dispersed CoN 4 fuel cell cathode catalysts derived from surfactant-assisted MOFs: carbon-shell confinement strategy

    Yanghua He;Sooyeon Hwang;David A. Cullen;M. Aman Uddin

  • Bulk production of a new form of sp(2) carbon: crystalline graphene nanoribbons.

    Jessica Campos-Delgado;José Manuel Romo-Herrera;Xiaoting Jia;David A. Cullen

  • Performance enhancement and degradation mechanism identification of a single-atom Co–N–C catalyst for proton exchange membrane fuel cells

    Xiaohong Xie;Cheng He;Boyang Li;Yanghua He

  • Chemical vapour deposition of Fe-N-C oxygen reduction catalysts with full utilization of dense Fe-N4 sites.

    Li Jiao;Jingkun Li;Lynne LaRochelle Richard;Qiang Sun

  • General synthesis of single-atom catalysts with high metal loading using graphene quantum dots.

    Chuan Xia;Chuan Xia;Yunrui Qiu;Yang Xia;Peng Zhu

  • High-performance fuel cell cathodes exclusively containing atomically dispersed iron active sites

    Hanguang Zhang;Hoon T. Chung;David A. Cullen;Stephan Wagner

  • Ex-MWNTs: graphene sheets and ribbons produced by lithium intercalation and exfoliation of carbon nanotubes.

    Abraham G. Cano-Márquez;Fernando J. Rodríguez-Macías;Jessica Campos-Delgado;Claudia G. Espinosa-González

  • Thermally Driven Structure and Performance Evolution of Atomically Dispersed FeN4 Sites for Oxygen Reduction

    Jiazhan Li;Jiazhan Li;Hanguang Zhang;Widitha Samarakoon;Weitao Shan

  • Unveiling Active Sites of CO2 Reduction on Nitrogen-Coordinated and Atomically Dispersed Iron and Cobalt Catalysts

    Fuping Pan;Hanguang Zhang;Kexi Liu;David Cullen

  • Hard-Magnet L10-CoPt Nanoparticles Advance Fuel Cell Catalysis

    Junrui Li;Shubham Sharma;Xiaoming Liu;Yung-Tin Pan

  • Metal-organic framework-derived nitrogen-doped highly disordered carbon for electrochemical ammonia synthesis using N2 and H2O in alkaline electrolytes

    Shreya Mukherjee;David A. Cullen;Stavros Karakalos;Kexi Liu

  • Covalently bonded three-dimensional carbon nanotube solids via boron induced nanojunctions

    Daniel P. Hashim;Narayanan T. Narayanan;Jose M. Romo-Herrera;David A. Cullen

  • P-block single-metal-site tin/nitrogen-doped carbon fuel cell cathode catalyst for oxygen reduction reaction

    Fang Luo;Aaron Roy;Luca Silvioli;David A. Cullen

  • Recent developments in catalyst-related PEM fuel cell durability

    Rodney L. Borup;Ahmet Kusoglu;Kenneth C. Neyerlin;Rangachary Mukundan

  • Single Cobalt Sites Dispersed in Hierarchically Porous Nanofiber Networks for Durable and High-Power PGM-Free Cathodes in Fuel Cells.

    Yanghua He;Hui Guo;Sooyeon Hwang;Xiaoxuan Yang

  • A physical catalyst for the electrolysis of nitrogen to ammonia.

    Yang Song;Daniel Johnson;Rui Peng;Dale K. Hensley

Frequent Co-Authors

Karren L. More
Karren L. More Oak Ridge National Laboratory
David J. Smith
David J. Smith Arizona State University
Gang Wu
Gang Wu Washington University in St. Louis
Deborah J. Myers
Deborah J. Myers Argonne National Laboratory
Piotr Zelenay
Piotr Zelenay Los Alamos National Laboratory
Harry M. Meyer
Harry M. Meyer Oak Ridge National Laboratory
Mauricio Terrones
Mauricio Terrones Pennsylvania State University
Kenneth C. Neyerlin
Kenneth C. Neyerlin National Renewable Energy Laboratory
Zhenxing Feng
Zhenxing Feng Oregon State University
Guofeng Wang
Guofeng Wang University of Pittsburgh

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Best Scientists Citing David A. Cullen

Trending Scientists

Recently Published Articles