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Karl Leo

Karl Leo

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Materials Science
Germany
2022

D-Index & Metrics

Materials Science

D-Index
129
Citations
65970
World Ranking
354
National Ranking
18

Karl Leo 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 Karl Leo 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: 981 publications — 99th percentile

99% of scientists in this discipline score the same or lower.

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

Karl Leo 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 Karl Leo 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: 129 D-Index — 97th percentile

97% 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

  • 2022 - Research.com Materials Science in Germany Leader Award
  • 2016 - OSA Fellows Karl Leo Technische Universität Dresden, Germany For discoveries in optoelectronic phenomena, such as Bloch oscillations, and for novel devices based on organic semiconductors.
  • 2014 - Member of the European Academy of Sciences

Overview

Karl Leo is affiliated with TU Dresden in Germany and has contributed extensively to research in engineering and materials science. Their work primarily spans electrical and electronic engineering, polymers and plastics, materials chemistry, biomedical engineering, and atomic and molecular physics, and optics.

Their research focuses on topics such as organic electronics and photovoltaics, conducting polymers and applications, perovskite materials and applications, organic light-emitting diodes research, advanced memory and neural computing, advanced sensor and energy harvesting materials, and analytical chemistry and sensors.

Karl Leo has published frequently in several scientific venues, including:

  • ACS Applied Materials & Interfaces
  • Advanced Functional Materials
  • Nature Communications
  • Advanced Electronic Materials
  • Advanced Optical Materials

Some notable recent papers authored or coauthored by Karl Leo include:

  • Organic Solar Cells-The Path to Commercial Success, 2020, Advanced Energy Materials
  • Reverse dark current in organic photodetectors and the major role of traps as source of noise, 2021, Nature Communications
  • Bioinspiration in light harvesting and catalysis, 2020, Nature Reviews Materials
  • Narrowband organic photodetectors - towards miniaturized, spectroscopic sensing, 2021, Materials Horizons
  • Roadmap on organic-inorganic hybrid perovskite semiconductors and devices, 2021, APL Materials

Among frequent collaborators of Karl Leo are Hans Kleemann, Johannes Benduhn, Shu-Jen Wang, Donato Spoltore, and Shen Xing.

Their contributions have been recognized through awards including:

  • OSA Fellows, 2016, for discoveries in optoelectronic phenomena such as Bloch oscillations and novel devices based on organic semiconductors
  • Member of the European Academy of Sciences, 2014

Best Publications

  • White organic light-emitting diodes with fluorescent tube efficiency

    Sebastian Reineke;Frank Lindner;Gregor Schwartz;Nico Seidler

  • Highly efficient organic devices based on electrically doped transport layers.

    K. Walzer;B. Maennig;M. Pfeiffer;K. Leo

  • Highly Conductive PEDOT:PSS Electrode with Optimized Solvent and Thermal Post-Treatment for ITO-Free Organic Solar Cells

    Yong Hyun Kim;Christoph Sachse;Michael L. Machala;Christian May

  • Efficiency Roll-Off in Organic Light-Emitting Diodes

    Caroline Murawski;Karl Leo;Malte C. Gather

  • Coherent submillimeter-wave emission from Bloch oscillations in a semiconductor superlattice

    Christian Waschke;Hartmut G. Roskos;Ralf Schwedler;Karl Leo

  • Triplet-exciton quenching in organic phosphorescent light-emitting diodes with Ir-based emitters

    Sebastian Reineke;Karsten Walzer;Karl Leo

  • High-efficiency and low-voltage p‐i‐n electrophosphorescent organic light-emitting diodes with double-emission layers

    Gufeng He;Martin Pfeiffer;Karl Leo;Michael Hofmann

  • Optical investigation of Bloch oscillations in a semiconductor superlattice.

    J. Feldmann;K. Leo;J. Shah;D. A. B. Miller

  • Degradation Mechanisms and Reactions in Organic Light-Emitting Devices.

    Sebastian Scholz;Denis Kondakov;Björn Lüssem;Karl Leo

  • White organic light-emitting diodes: Status and perspective

    Sebastian Reineke;Michael Thomschke;Björn Lüssem;Karl Leo

  • White organic light-emitting diodes: Status and perspective

    Sebastian Reineke;Michael Thomschke;Björn Lüssem;Karl Leo

  • LOW VOLTAGE ORGANIC LIGHT EMITTING DIODES FEATURING DOPED PHTHALOCYANINE AS HOLE TRANSPORT MATERIAL

    J. Blochwitz;M. Pfeiffer;T. Fritz;K. Leo

  • Doped Organic Transistors.

    Björn Lüssem;Chang-Min Keum;Daniel Kasemann;Ben Naab

  • Doped organic semiconductors: Physics and application in light emitting diodes

    M Pfeiffer;K Leo;X Zhou;J.S Huang

  • Coherent submillimeter-wave emission from charge oscillations in a double-well potential.

    H. G. Roskos;M. C. Nuss;Jagdeep Shah;K. Leo

  • Doping of organic semiconductors

    Unknown

  • Femtosecond energy relaxation in π-conjugated polymers

    R. Kersting;R. Kersting;U. Lemmer;U. Lemmer;R. F. Mahrt;R. F. Mahrt;K. Leo;K. Leo

  • Triplet Harvesting in Hybrid White Organic Light‐Emitting Diodes

    Gregor Schwartz;Sebastian Reineke;Thomas Conrad Rosenow;Karsten Walzer

  • Low-voltage organic electroluminescent devices using pin structures

    Jingsong Huang;Martin Pfeiffer;Ansgar Werner;Jan Blochwitz

  • Organic p -i- n solar cells

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

  • Very-low-operating-voltage organic light-emitting diodes using a p-doped amorphous hole injection layer

    X. Zhou;M. Pfeiffer;J. Blochwitz;A. Werner

  • Harvesting Triplet Excitons from Fluorescent Blue Emitters in White Organic Light‐Emitting Diodes

    Gregor Schwartz;Martin Pfeiffer;Sebastian Reineke;Karsten Walzer

  • Controlled doping of phthalocyanine layers by cosublimation with acceptor molecules: A systematic Seebeck and conductivity study

    M. Pfeiffer;A. Beyer;T. Fritz;K. Leo

Frequent Co-Authors

Moritz Riede
Moritz Riede University of Oxford
Björn Lüssem
Björn Lüssem Kent State University
Malte C. Gather
Malte C. Gather University of St Andrews
Heinrich Kurz
Heinrich Kurz RWTH Aachen University
Koen Vandewal
Koen Vandewal Hasselt University
Torsten Fritz
Torsten Fritz Friedrich Schiller University Jena
Jagdeep Shah
Jagdeep Shah Defense Advanced Research Projects Agency
Wolfgang Tress
Wolfgang Tress Zurich University of Applied Sciences
Peter Bäuerle
Peter Bäuerle University of Ulm

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