World's Best Scientists 2026 revealed!

D-Index & Metrics

Materials Science

D-Index
58
Citations
19119
World Ranking
7554
National Ranking
438

Harald Hoppe 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 Harald Hoppe 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: 194 publications — 28th percentile

28% of scientists in this discipline score the same or lower.

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

Harald Hoppe 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 Harald Hoppe 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: 58 D-Index — 41st percentile

41% of scientists in this discipline score the same or lower.

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

Overview

Harald Hoppe is affiliated with Friedrich Schiller University Jena in Germany. Their research primarily spans the fields of Engineering and Materials Science, with a particular focus on Electrical and Electronic Engineering, Polymers and Plastics, Materials Chemistry, Atomic and Molecular Physics and Optics, and Biomedical Engineering.

Their work extensively covers topics such as Organic Electronics and Photovoltaics, Conducting Polymers and Applications, Perovskite Materials and Applications, Thin-Film Transistor Technologies, Silicon and Solar Cell Technologies, Chalcogenide Semiconductor Thin Films, and Solar Cell Performance Optimization.

Recent publications by Harald Hoppe include:

  • Consensus statement for stability assessment and reporting for perovskite photovoltaics based on ISOS procedures, 2020, Nature Energy
  • Introduction of a Novel Figure of Merit for the Assessment of Transparent Conductive Electrodes in Photovoltaics: Exact and Approximate Form, 2021, Advanced Energy Materials
  • Non-fullerene acceptor photostability and its impact on organic solar cell lifetime, 2021, Cell Reports Physical Science
  • Agrivoltaics-The Perfect Fit for the Future of Organic Photovoltaics, 2020, Advanced Energy Materials
  • How varying surface wettability of different PEDOT:PSS formulations and their mixtures affects perovskite crystallization and the efficiency of inverted perovskite solar cells, 2022, RSC Advances

Frequent co-authors in Harald Hoppe's research include Ulrich S. Schubert, Rico Meitzner, Shahidul Alam, Aman Anand, and Md Moidul Islam.

Publications have appeared frequently in venues such as SSRN Electronic Journal, Advanced Energy Materials, ACS Applied Electronic Materials, Energy Technology, and Journal of Photonics for Energy.

Best Publications

  • Organic solar cells: An overview

    Harald Hoppe;Niyazi Serdar Sariciftci

  • Morphology of polymer/fullerene bulk heterojunction solar cells

    Harald Hoppe;Niyazi Serdar Sariciftci

  • Consensus statement for stability assessment and reporting for perovskite photovoltaics based on ISOS procedures

    Mark V. Khenkin;Mark V. Khenkin;Eugene A. Katz;Antonio Abate;Giorgio Bardizza

  • Consensus stability testing protocols for organic photovoltaic materials and devices

    Matthew O. Reese;Suren A. Gevorgyan;Mikkel Jørgensen;Eva Bundgaard

  • Nanoscale Morphology of Conjugated Polymer/Fullerene-Based Bulk- Heterojunction Solar Cells†

    H. Hoppe;M. Niggemann;C. Winder;J. Kraut

  • Effects of Annealing on the Nanomorphology and Performance of Poly(alkylthiophene):Fullerene Bulk-Heterojunction Solar Cells†

    L. H. Nguyen;H. Hoppe;T. Erb;S. Günes

  • Organic p -i- n solar cells

    B. Maennig;J. Drechsel;D. Gebeyehu;P. Simon

  • Material Solubility-Photovoltaic Performance Relationship in the Design of Novel Fullerene Derivatives for Bulk Heterojunction Solar Cells

    Pavel A. Troshin;Harald Hoppe;Joachim Renz;Martin Egginger

  • P3HT/PCBM bulk heterojunction solar cells: impact of blend composition and 3D morphology on device performance

    Svetlana S. van Bavel;Maik Bärenklau;Harald Hoppe

  • Kelvin probe force microscopy study on conjugated polymer/fullerene bulk heterojunction organic solar cells

    H Hoppe;T Glatzel;M Niggemann;A Hinsch

  • Efficient organic solar cells based on a double p-i-n architecture using doped wide-gap transport layers

    J. Drechsel;B. Männig;F. Kozlowski;M. Pfeiffer

  • Long-lived photoinduced charge separation for solar cell applications in phthalocyanine–fulleropyrrolidine dyad thin films

    M. Antonietta Loi;Patrick Denk;Harald Hoppe;Helmut Neugebauer

  • Modeling the optical absorption within conjugated polymer/fullerene-based bulk-heterojunction organic solar cells

    H. Hoppe;N. Arnold;N.S. Sariciftci;D. Meissner

  • Optical constants of conjugated polymer/fullerene based bulk-heterojunction organic solar cells

    H. Hoppe;N. S. Sariciftci;D. Meissner

  • Stabilization of the nanomorphology of polymer–fullerene “bulk heterojunction” blends using a novel polymerizable fullerene derivative

    Martin Drees;Harald Hoppe;Christoph Winder;Helmut Neugebauer

  • Effect of annealing of poly(3-hexylthiophene)/fullerene bulk heterojunction composites on structural and optical properties

    Uladzimir Zhokhavets;Tobias Erb;Harald Hoppe;Gerhard Gobsch

  • Efficiency limiting morphological factors of MDMO-PPV:PCBM plastic solar cells

    H. Hoppe;T. Glatzel;M. Niggemann;W. Schwinger

  • Polymer Solar Cells

    Harald Hoppe;N. Serdar Sariciftci

  • Investigation of the degradation mechanisms of a variety of organic photovoltaic devices by combination of imaging techniques—the ISOS-3 inter-laboratory collaboration

    Roland Rösch;David Tanenbaum;David Tanenbaum;Mikkel Jørgensen;Marco Seeland

  • Procedures and Practices for Evaluating Thin-Film Solar Cell Stability

    Roland Roesch;Roland Roesch;Tobias Faber;Tobias Faber;Elizabeth von Hauff;Thomas M. Brown

  • An inter-laboratory stability study of roll-to-roll coated flexible polymer solar modules

    Suren Gevorgyan;Andrew James Medford;Eva Bundgaard;Subarna B. Sapkota

Frequent Co-Authors

Niyazi Serdar Sariciftci
Niyazi Serdar Sariciftci Johannes Kepler University of Linz
Ulrich S. Schubert
Ulrich S. Schubert Friedrich Schiller University Jena
Monica Lira-Cantu
Monica Lira-Cantu Institut Català de Nanociència i Nanotecnologia
Yulia Galagan
Yulia Galagan NXP (Netherlands)
Suren A. Gevorgyan
Suren A. Gevorgyan Technical University of Denmark
Dieter Meissner
Dieter Meissner Tallinn University of Technology
Uli Würfel
Uli Würfel Fraunhofer Institute for Solar Energy Systems
Mikkel Jørgensen
Mikkel Jørgensen Technical University of Denmark
Eugene A. Katz
Eugene A. Katz Ben-Gurion University of the Negev

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