World's Best Scientists 2026 revealed!

D-Index & Metrics

Materials Science

D-Index
73
Citations
20375
World Ranking
3826
National Ranking
210

Thomas Unold 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 Unold 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: 335 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

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

Thomas Unold 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 Unold 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: 73 D-Index — 71st percentile

71% of scientists in this discipline score the same or lower.

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

Overview

Thomas Unold is affiliated with the Helmholtz-Zentrum Berlin für Materialien und Energie in Germany. Their research primarily focuses on engineering and materials science, with notable contributions in electrical and electronic engineering as well as materials chemistry.

Their work spans several specialized subfields, including:

  • Electrical and Electronic Engineering
  • Materials Chemistry
  • Polymers and Plastics
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials

Key topics in Thomas Unold's research include:

  • Chalcogenide Semiconductor Thin Films
  • Quantum Dots Synthesis And Properties
  • Perovskite Materials and Applications
  • Copper-based nanomaterials and applications
  • Conducting polymers and applications
  • Advanced Semiconductor Detectors and Materials
  • Electronic and Structural Properties of Oxides

Thomas Unold has contributed to publications in several frequent venues, such as:

  • arXiv (Cornell University)
  • Advanced Energy Materials
  • Journal of Materials Chemistry A
  • ACS Applied Materials & Interfaces
  • Zenodo (CERN European Organization for Nuclear Research)

Their research output includes papers published between 2020 and 2022, with some of the recent papers being:

  • "Monolithic perovskite/silicon tandem solar cell with >29% efficiency by enhanced hole extraction" (2020, Science)
  • "Photoluminescence-Based Characterization of Halide Perovskites for Photovoltaics" (2020, Advanced Energy Materials)
  • "Charge transfer rates and electron trapping at buried interfaces of perovskite solar cells" (2021, Joule)
  • "An open-access database and analysis tool for perovskite solar cells based on the FAIR data principles" (2021, Nature Energy)
  • "Understanding Performance Limiting Interfacial Recombination in pin Perovskite Solar Cells" (2022, Advanced Energy Materials)

Frequent collaborators in their research include:

  • Hannes Hempel
  • J.A. Marquez
  • Marin Rusu
  • Antonio Abate
  • Eva Unger

Best Publications

  • Monolithic perovskite/silicon tandem solar cell with >29% efficiency by enhanced hole extraction

    Amran Al-Ashouri;Eike Köhnen;Bor Li;Artiom Magomedov

  • Conformal monolayer contacts with lossless interfaces for perovskite single junction and monolithic tandem solar cells

    Amran Al-Ashouri;Artiom Magomedov;Marcel Roß;Marko Jošt

  • Visualization and suppression of interfacial recombination for high-efficiency large-area pin perovskite solar cells

    Martin Stolterfoht;Christian Michael Wolff;Jose A. Marquez;Shanshan Zhang;Shanshan Zhang

  • The impact of energy alignment and interfacial recombination on the internal and external open-circuit voltage of perovskite solar cells

    Martin Stolterfoht;Pietro Caprioglio;Pietro Caprioglio;Christian M. Wolff;José A. Márquez

  • Photoluminescence-Based Characterization of Halide Perovskites for Photovoltaics

    Thomas Kirchartz;Thomas Kirchartz;José A. Márquez;Martin Stolterfoht;Thomas Unold

  • On the relation between the open‐circuit voltage and quasi‐Fermi level splitting in efficient perovskite solar cells

    Pietro Caprioglio;Pietro Caprioglio;Martin Stolterfoht;Christian M. Wolff;Thomas Unold

  • Cu2ZnSnS4 thin film solar cells by fast coevaporation

    Björn-Arvid Schubert;Björn Marsen;Sonja Cinque;Thomas Unold

  • Interpretation of admittance, capacitance-voltage, and current-voltage signatures in Cu(In,Ga)Se2 thin film solar cells

    Tobias Eisenbarth;Thomas Unold;Raquel Caballero;Christian A. Kaufmann

  • Charge transfer rates and electron trapping at buried interfaces of perovskite solar cells

    Igal Levine;Amran Al-Ashouri;Artem Musiienko;Hannes Hempel

  • The perovskite/transport layer interfaces dominate non-radiative recombination in efficient perovskite solar cells

    Martin Stolterfoht;Pietro Caprioglio;Christian M. Wolff;José A. Márquez

  • Open-Circuit Voltages Exceeding 1.26 V in Planar Methylammonium Lead Iodide Perovskite Solar Cells

    Zhifa Liu;Zhifa Liu;Lisa Krückemeier;Benedikt Krogmeier;Benjamin Klingebiel

  • Understanding Performance Limiting Interfacial Recombination in pin Perovskite Solar Cells

    Unknown

  • An open-access database and analysis tool for perovskite solar cells based on the FAIR data principles

    Unknown

  • Beyond Bulk Lifetimes: Insights into Lead Halide Perovskite Films from Time-Resolved Photoluminescence

    Florian Staub;Hannes Hempel;Jan-Christoph Hebig;Jan Mock

  • Optical Control of Excitons in a Pair of Quantum Dots Coupled by the Dipole-Dipole Interaction

    Thomas Unold;Kerstin Mueller;Christoph Lienau;Thomas Elsaesser

  • Cliff-like conduction band offset and KCN-induced recombination barrier enhancement at the CdS/Cu2ZnSnS4 thin-film solar cell heterojunction

    M. Bär;B.-A. Schubert;B. Marsen;R. G. Wilks

  • Tuning halide perovskite energy levels

    Laura Canil;Tobias Cramer;Beatrice Fraboni;Damiano Ricciarelli

  • Improved performance of Ge‐alloyed CZTGeSSe thin‐film solar cells through control of elemental losses

    Charles J. Hages;Sergej Levcenco;Caleb K. Miskin;Jan H. Alsmeier

  • 21.6%-Efficient Monolithic Perovskite/Cu(In,Ga)Se2 Tandem Solar Cells with Thin Conformal Hole Transport Layers for Integration on Rough Bottom Cell Surfaces

    Marko Jošt;Tobias Bertram;Dibyashree Koushik;Jose A. Marquez

  • Unveiling microscopic carrier loss mechanisms in 12% efficient Cu2ZnSnSe4 solar cells

    Unknown

  • Optical Stark Effect in a Quantum Dot: Ultrafast Control of Single Exciton Polarizations

    Thomas Unold;Kerstin Mueller;Christoph Lienau;Thomas Elsaesser

  • Gallium gradients in Cu(In,Ga)Se2 thin‐film solar cells

    Wolfram Witte;Daniel Abou-Ras;Karsten Albe;Gottfried H. Bauer

  • Fine‐Tuning the Sn Content in CZTSSe Thin Films to Achieve 10.8% Solar Cell Efficiency from Spray‐Deposited Water–Ethanol‐Based Colloidal Inks

    Gerardo Larramona;Sergiu Levcenko;Stéphane Bourdais;Alain Jacob

Frequent Co-Authors

Christian A. Kaufmann
Christian A. Kaufmann Helmholtz-Zentrum Berlin für Materialien und Energie
Daniel Abou-Ras
Daniel Abou-Ras Helmholtz-Zentrum Berlin für Materialien und Energie
Susan Schorr
Susan Schorr Helmholtz-Zentrum Berlin für Materialien und Energie
Steve Albrecht
Steve Albrecht Technical University of Berlin
Thomas Kirchartz
Thomas Kirchartz Forschungszentrum Jülich
H.W. Schock
H.W. Schock University of Stuttgart
Roland Scheer
Roland Scheer Martin Luther University Halle-Wittenberg
Dieter Neher
Dieter Neher University of Potsdam
Reiner Klenk
Reiner Klenk Helmholtz-Zentrum Berlin für Materialien und Energie
Martin Stolterfoht
Martin Stolterfoht Chinese University of Hong Kong

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