World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
57
Citations
14864
World Ranking
10954
National Ranking
791

Thomas Koop publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Thomas Koop sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 123 publications — 6th percentile

6% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Thomas Koop D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Thomas Koop sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 57 D-Index — 39th percentile

39% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Thomas Koop is a researcher affiliated with Bielefeld University in Germany, with a notable focus on Environmental Science and Materials Science. Their work spans subfields such as Atmospheric Science, Ecology, Global and Planetary Change, Ceramics and Composites, and Materials Chemistry.

Their research topics include Glass properties and applications, Physiological and biochemical adaptations, nanoparticles nucleation surface interactions, Atmospheric chemistry and aerosols, Thermal and Kinetic Analysis, Planetary Science and Exploration, and Astro and Planetary Science.

Thomas Koop's recent publications include:

  • "Water activity in Venus's uninhabitable clouds and other planetary atmospheres" (2021), Nature Astronomy
  • "Specific Ion-Protein Interactions Influence Bacterial Ice Nucleation" (2021), Chemistry - A European Journal
  • "Water-organizing motif continuity is critical for potent ice nucleation protein activity" (2022), Nature Communications
  • "Machine-Learning-Based Prediction of the Glass Transition Temperature of Organic Compounds Using Experimental Data" (2023), ACS Omega
  • "Cloud Activation via Formation of Water and Ice on Various Types of Porous Aerosol Particles" (2021), ACS Earth and Space Chemistry

Frequent co-authors working alongside Thomas Koop include:

  • Jan-Hendrik Peters
  • Lukas Eickhoff
  • Gianluca Armeli
  • Ulrich Pöschl
  • Nàama Reicher

Their research has been published multiple times in the following venues:

  • ACS Earth and Space Chemistry
  • Atmospheric chemistry and physics
  • Zenodo (CERN European Organization for Nuclear Research)
  • Nature Astronomy
  • Nature Communications

Best Publications

  • Water activity as the determinant for homogeneous ice nucleation in aqueous solutions

    Thomas Koop;Beiping Luo;Athanasios Tsias;Thomas Peter

  • An amorphous solid state of biogenic secondary organic aerosol particles

    Annele Virtanen;Jorma Joutsensaari;Thomas Koop;Jonna Kannosto

  • Glass transition and phase state of organic compounds: dependency on molecular properties and implications for secondary organic aerosols in the atmosphere.

    Thomas Koop;Johannes Bookhold;Manabu Shiraiwa;Ulrich Pöschl

  • Gas uptake and chemical aging of semisolid organic aerosol particles

    Manabu Shiraiwa;Markus Ammann;Thomas Koop;Ulrich Pöschl

  • Amorphous and crystalline aerosol particles interacting with water vapor: conceptual framework and experimental evidence for restructuring, phase transitions and kinetic limitations

    E. Mikhailov;E. Mikhailov;S. Vlasenko;S. T. Martin;T. Koop

  • Do atmospheric aerosols form glasses

    B. Zobrist;B. Zobrist;C. Marcolli;D. A. Pedernera;Thomas Koop

  • Global distribution of particle phase state in atmospheric secondary organic aerosols

    Manabu Shiraiwa;Ying Li;Alexandra P. Tsimpidi;Vlassis A. Karydis

  • A comprehensive laboratory study on the immersion freezing behavior of illite NX particles: a comparison of 17 ice nucleation measurement techniques

    Naruki Hiranuma;Stefanie Augustin-Bauditz;Heinz Bingemer;Carsten Budke

  • Ultra-slow water diffusion in aqueous sucrose glasses

    Bernhard Zobrist;Bernhard Zobrist;Vacharaporn Soonsin;Bei P. Luo;Ulrich K. Krieger

  • Heterogeneous Ice Nucleation Rate Coefficient of Water Droplets Coated by a Nonadecanol Monolayer

    B. Zobrist;Thomas Koop;B. P. Luo;C. Marcolli

  • Humidity-dependent phase state of SOA particles from biogenic and anthropogenic precursors

    E. Saukko;A. T. Lambe;P. Massoli;Thomas Koop

  • Ice nucleation by water-soluble macromolecules

    B. G. Pummer;Carsten Budke;S. Augustin-Bauditz;D. Niedermeier;D. Niedermeier

  • Phase transitions of sea-salt/water mixtures at low temperatures: Implications for ozone chemistry in the polar marine boundary layer

    Thomas Koop;Abha Kapilashrami;Luisa T. Molina;Mario J. Molina

  • Freezing of HNO3/H2SO4/H2O Solutions at Stratospheric Temperatures: Nucleation Statistics and Experiments

    Thomas Koop;Beiping Luo;Uta M. Biermann;Paul J. Crutzen

  • Do stratospheric aerosol droplets freeze above the ice frost point

    Thomas Koop;U. M. Biermann;W. Raber;B. P. Luo

  • Competition between water uptake and ice nucleation by glassy organic aerosol particles

    T. Berkemeier;M. Shiraiwa;U. Pöschl;T. Koop

  • Heterogeneous nucleation of ice on surrogates of mineral dust

    Daniel A. Knopf;Daniel A. Knopf;Thomas Koop

  • Size dependence of phase transitions in aerosol nanoparticles

    Yafang Cheng;Hang Su;Thomas Koop;Eugene Mikhailov

  • A NEW OPTICAL TECHNIQUE TO STUDY AEROSOL PHASE TRANSITIONS : THE NUCLEATION OF ICE FROM H2SO4 AEROSOLS

    Thomas Koop;Huey P. Ng;Luisa T. Molina;Mario J. Molina

  • When dry air is too humid

    Thomas Peter;Claudia Marcolli;Peter Spichtinger;Thierry Corti

  • Size-dependent stratospheric droplet composition in Lee wave temperature fluctuations and their potential role in PSC freezing

    S. K. Meilinger;Thomas Koop;B. P. Luo;T. Huthwelker

Frequent Co-Authors

Ulrich Pöschl
Ulrich Pöschl Max Planck Institute for Chemistry
Thomas Peter
Thomas Peter ETH Zurich
Ottmar Möhler
Ottmar Möhler Karlsruhe Institute of Technology
Yinon Rudich
Yinon Rudich Weizmann Institute of Science
Beiping Luo
Beiping Luo ETH Zurich
Norbert Sewald
Norbert Sewald Bielefeld University
Daniel A. Knopf
Daniel A. Knopf Stony Brook University
Manabu Shiraiwa
Manabu Shiraiwa University of California, Irvine
Heike Wex
Heike Wex Leibniz Association

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