World's Best Scientists 2026 revealed!

D-Index & Metrics

Materials Science

D-Index
53
Citations
12356
World Ranking
9119
National Ranking
2217

Chemistry

D-Index
53
Citations
12495
World Ranking
12945
National Ranking
3425

Thomas W. Hamann 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 Thomas W. Hamann 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: 103 publications — 3rd percentile

3% of scientists in this discipline score the same or lower.

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

Thomas W. Hamann 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 Thomas W. Hamann 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: 53 D-Index — 30th percentile

30% 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

  • 2012 - Fellow of Alfred P. Sloan Foundation

Overview

Thomas W. Hamann is affiliated with Michigan State University in the United States. Their research spans multiple fields, primarily focusing on Materials Science and Energy, with a significant emphasis on Materials Chemistry and Renewable Energy, Sustainability and the Environment. The scientist has also contributed to studies in Catalysis, Electrical and Electronic Engineering, and Electronic, Optical and Magnetic Materials.

Their work addresses a range of topics including Advanced Photocatalysis Techniques, X-ray Diffraction in Crystallography, Crystallization and Solubility Studies, Ammonia Synthesis and Nitrogen Reduction, TiO2 Photocatalysis and Solar Cells, Electrocatalysts for Energy Conversion, and Porphyrin and Phthalocyanine Chemistry.

Notable recent papers authored by Thomas W. Hamann include:

  • Recent Advances and Challenges of Electrocatalytic N2Reduction to Ammonia, 2020, Chemical Reviews
  • InGaN/Si Double-Junction Photocathode for Unassisted Solar Water Splitting, 2020, ACS Energy Letters
  • Crystallographic Effects of GaN Nanostructures in Photoelectrochemical Reaction, 2022, Nano Letters
  • Mechanism-Guided Kinetic Analysis of Electrocatalytic Proton Reduction Mediated by a Cobalt Catalyst Bearing a Pendant Basic Site, 2024, Journal of the American Chemical Society
  • Understanding Mass Transport in Copper Electrolyte-Based Dye-Sensitized Solar Cells, 2022, ACS Applied Energy Materials

Frequent co-authors of Thomas W. Hamann are:

  • Austin L. Raithel
  • Tea-Yon Kim
  • Richard J. Staples
  • Jared H. Delcamp
  • William E. Meador

The scientist has published consistently in several venues, with multiple entries in The Cambridge Structural Database and ECS Meeting Abstracts. Other significant publication venues include the Journal of the American Chemical Society, Inorganic Chemistry, and ACS Energy Letters.

Among their recognitions, Thomas W. Hamann was awarded the title of Fellow of the Alfred P. Sloan Foundation in 2012.

Best Publications

  • Recent Advances and Challenges of Electrocatalytic N2 Reduction to Ammonia.

    Geletu Qing;Reza Ghazfar;Shane T. Jackowski;Faezeh Habibzadeh

  • Water Oxidation at Hematite Photoelectrodes: The Role of Surface States

    Benjamin Klahr;Sixto Gimenez;Francisco Fabregat-Santiago;Thomas Hamann

  • Advancing beyond current generation dye-sensitized solar cells

    Thomas W. Hamann;Thomas W. Hamann;Rebecca A. Jensen;Alex B. F. Martinson;Hal Van Ryswyk;Hal Van Ryswyk

  • Photoelectrochemical and Impedance Spectroscopic Investigation of Water Oxidation with "Co−Pi"-Coated Hematite Electrodes

    Benjamin Klahr;Sixto Gimenez;Francisco Fabregat-Santiago;Juan Bisquert

  • Electrochemical and photoelectrochemical investigation of water oxidation with hematite electrodes

    Benjamin Klahr;Sixto Gimenez;Francisco Fabregat-Santiago;Juan Bisquert

  • Determination of photoelectrochemical water oxidation intermediates on haematite electrode surfaces using operando infrared spectroscopy

    Omid Zandi;Omid Zandi;Thomas W. Hamann

  • New architectures for dye-sensitized solar cells.

    Alex B. F. Martinson;Alex B. F. Martinson;Thomas W. Hamann;Michael J. Pellin;Joseph T. Hupp

  • Highly photoactive Ti-doped α-Fe2O3 thin film electrodes: resurrection of the dead layer

    Omid Zandi;Benjamin M. Klahr;Thomas W. Hamann

  • Atomic layer deposition of a submonolayer catalyst for the enhanced photoelectrochemical performance of water oxidation with hematite.

    Shannon C. Riha;Benjamin M. Klahr;Eric C. Tyo;Sönke Seifert

  • Thin film photoelectrodes for solar water splitting

    Yumin He;Thomas Hamann;Dunwei Wang

  • Performance Enhancement and Limitations of Cobalt Bipyridyl Redox Shuttles in Dye-Sensitized Solar Cells

    Benjamin M. Klahr;Thomas W. Hamann

  • Enhanced Water Splitting Efficiency Through Selective Surface State Removal.

    Omid Zandi;Thomas W. Hamann

  • Dye-sensitized solar cell redox shuttles

    Thomas W. Hamann;Jesse W. Ondersma

  • Photoelectrochemical investigation of ultrathin film iron oxide solar cells prepared by atomic layer deposition.

    Benjamin M. Klahr;Alex B. F. Martinson;Thomas W. Hamann

  • Roadmap on solar water splitting: current status and future prospects

    Sheng Chu;Wei Li;Yanfa Yan;Thomas Hamann

  • Potential-sensing electrochemical atomic force microscopy for in operando analysis of water-splitting catalysts and interfaces

    Michael R. Nellist;Forrest A. L. Laskowski;Jingjing Qiu;Hamed Hajibabaei

  • Outer-Sphere Redox Couples as Shuttles in Dye-Sensitized Solar Cells. Performance Enhancement Based on Photoelectrode Modification via Atomic Layer Deposition

    Thomas W. Hamann;Thomas W. Hamann;Omar K. Farha;Joseph T. Hupp

  • Water oxidation on hematite photoelectrodes: Insight into the nature of surface states through in situ spectroelectrochemistry

    Benjamin Klahr;Thomas Hamann

  • Splitting water with rust: hematite photoelectrochemistry

    Thomas W. Hamann

  • Aerogel Templated ZnO Dye‐Sensitized Solar Cells

    Thomas W. Hamann;Alex B. F. Martinson;Alex B. F. Martinson;Jeffrey W. Elam;Michael J. Pellin;Michael J. Pellin

Frequent Co-Authors

Alex B. F. Martinson
Alex B. F. Martinson Argonne National Laboratory
Joseph T. Hupp
Joseph T. Hupp Northwestern University
Michael J. Pellin
Michael J. Pellin Argonne National Laboratory
Nathan S. Lewis
Nathan S. Lewis California Institute of Technology
Zetian Mi
Zetian Mi University of Michigan–Ann Arbor
Sixto Gimenez
Sixto Gimenez Jaume I University
Dunwei Wang
Dunwei Wang Boston College
Milton R. Smith
Milton R. Smith Michigan State University
Bruce S. Brunschwig
Bruce S. Brunschwig California Institute of Technology
Richard R. Lunt
Richard R. Lunt Michigan State University

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