World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
52
Citations
14197
World Ranking
13374
National Ranking
982

Ian Barnes 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 Ian Barnes 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: 221 publications — 40th percentile

40% of scientists in this discipline score the same or lower.

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

Ian Barnes 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 Ian Barnes 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: 52 D-Index — 26th percentile

26% of scientists in this discipline score the same or lower.

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

Overview

Ian Barnes is affiliated with the University of Wuppertal in Germany and has contributed to the field of Earth and Planetary Sciences, focusing primarily on Atmospheric Science. Their scholarly work spans several interconnected areas including Atmospheric Chemistry and Aerosols, Atmospheric Ozone and Climate, Air Quality and Health Impacts, Advanced Chemical Physics Studies, Per- and Polyfluoroalkyl Substances Research, and Molecular Spectroscopy and Structure.

Their recent publications demonstrate a concentration on atmospheric chemical processes involving reactive species such as hydroxyl and chlorine radicals. Key papers include:

  • FTIR product study of the Cl-initiated oxidation products of CFC replacements: (E/Z)-1,2,3,3,3-pentafluoropropene and hexafluoroisobutylene, 2021, RSC Advances
  • Atmospheric fate of two relevant unsaturated ketoethers: kinetics, products and mechanisms for the reaction of hydroxyl radicals with (E)-4-methoxy-3-buten-2-one and (1 E)-1-methoxy-2-methyl-1-penten-3-one, 2020, Atmospheric chemistry and physics
  • Experimental and theoretical study of the reactivity of a series of epoxides with chlorine atoms at 298 K, 2021, Physical Chemistry Chemical Physics
  • Kinetic study of the atmospheric oxidation of a series of epoxy compounds by OH radicals, 2022, Atmospheric chemistry and physics
  • Degradation mechanism of 2-fluoropropene by Cl atoms: experimental and theoretical products distribution studies, 2021, Physical Chemistry Chemical Physics

The venues in which Barnes has published mostly include Atmospheric Chemistry and Physics and Physical Chemistry Chemical Physics, with additional contributions in RSC Advances, Plant Pathology, and UNC Libraries. This spread reflects a consistent engagement with journals focused on atmospheric and chemical physical sciences.

Frequent collaborators in Barnes's research include:

  • Peter Wiesen
  • Carmen M. Tovar
  • Iustinian Bejan
  • Cynthia B. Rivela
  • Rodrigo G. Gibilisco

Barnes's work aligns significantly with subfields such as Atmospheric Science, Health, Toxicology and Mutagenesis, Atomic and Molecular Physics and Optics, Environmental Chemistry, and Spectroscopy. The diversity of these subfields demonstrates a multidisciplinary approach to studying atmospheric chemical reactions and their environmental implications.

Best Publications

  • Organic aerosol and global climate modelling: a review

    M. Kanakidou;J. H. Seinfeld;S. N. Pandis;I. Barnes

  • The nitrate radical: Physics, chemistry, and the atmosphere

    R.P Wayne;I Barnes;P Biggs;J.P Burrows

  • Dimethyl sulfide and dimethyl sulfoxide and their oxidation in the atmosphere.

    Ian Barnes;Jens Hjorth;Nikos Mihalopoulos

  • The photolysis of ortho-nitrophenols: a new gas phase source of HONO.

    Iustinian Bejan;Yasin Abd El Aal;Ian Barnes;Thorsten Benter

  • Aerosol and Product Yields from NO3 Radical-Initiated Oxidation of Selected Monoterpenes

    Mattias Hallquist;Ingvar Wängberg;Evert Ljungström;Ian Barnes

  • An FTIR product study of the photooxidation of dimethyl disulfide

    I. Barnes;K. H. Becker;N. Mihalopoulos

  • Kinetics and products of the reactions of nitrate radical with monoalkenes, dialkenes, and monoterpenes

    Ian. Barnes;Volker. Bastian;Karl H. Becker;Zhu. Tong

  • FT-IR study of the ring-retaining products from the reaction of OH radicals with phenol, o-, m-, and p-cresol

    Romeo Iulian Olariu;Björn Klotz;Ian Barnes;Karl Heinz Becker

  • Product study and mechanisms of the reactions of α‐pinene and of pinonaldehyde with OH radicals

    Barbara Nozière;Ian Barnes;Karl-Heinz Becker

  • OH-initiated oxidation of benzene

    Rainer Volkamer;Björn Klotz;Björn Klotz;Ian Barnes;Takashi Imamura

  • Gas-phase absorption cross sections of 24 monocyclic aromatic hydrocarbons in the UV and IR spectral ranges

    Thomas Etzkorn;Björn Klotz;Søren Sørensen;Iulia V. Patroescu

  • Organic aerosol formation during the atmospheric degradation of toluene

    Michael D. Hurley;Oleg Sokolov;Timothy J. Wallington;Hideto Takekawa

  • Atmospheric Oxidation of Toluene in a Large-Volume Outdoor Photoreactor: In Situ Determination of Ring-Retaining Product Yields

    Björn Klotz;Søren Sørensen;Ian Barnes;Karl H. Becker

  • Measuring atmospheric composition change

    Paolo Laj;J. Klausen;M. Bilde;C. Plaß-Duelmer

  • Reactions of NO3 radicals with limonene and α-pinene: Product and SOA formation

    M. Spittler;I. Barnes;I. Bejan;K.J. Brockmann

  • Atmospheric Chemistry of Unsaturated Carbonyls: Butenedial, 4-Oxo-2-pentenal, 3-Hexene-2,5-dione, Maleic Anhydride, 3H-Furan-2-one, and 5-Methyl-3H-furan-2-one.

    Arwid. Bierbach;Ian. Barnes;Karl H. Becker;Evelyn. Wiesen

  • The tropospheric degradation of isoprene : an updated module for the regional atmospheric chemistry mechanism

    Harald Geiger;Ian Barnes;Iustinian Bejan;Thorsten Benter

  • Near UV absorption spectra and photolysis products of difunctional organic nitrates: Possible importance as NO x reservoirs

    Ian Barnes;Karl H. Becker;Tong Zhu

  • The tropospheric oxidation of dimethyl sulfide: A new source of carbonyl sulfide

    Unknown

  • Rate constants for the reactions of Br atoms with a series of alkanes, alkenes, and alkynes in the presence of O2

    I. Barnes;V. Bastian;K. H. Becker;R. Overath

  • The essential role for laboratory studies in atmospheric chemistry

    James B. Burkholder;Jonathan P. D. Abbatt;Ian Barnes;James M. Roberts

  • The photolysis of ortho-nitrophenols: A new gas phase source of HONO

    I. Bejan;I. Barnes;J. Kleffmann;Y. El Shorbany

Frequent Co-Authors

Peter Wiesen
Peter Wiesen University of Wuppertal
Timothy J. Wallington
Timothy J. Wallington Ford Motor Company (United States)
Tong Zhu
Tong Zhu Peking University
Nikos Mihalopoulos
Nikos Mihalopoulos National Observatory of Athens
Ulrich Platt
Ulrich Platt Heidelberg University
Abdelwahid Mellouki
Abdelwahid Mellouki Centre national de la recherche scientifique, CNRS
Ole John Nielsen
Ole John Nielsen University of Copenhagen
Michael D. Hurley
Michael D. Hurley Ford Motor Company (United States)
Jens Hjorth
Jens Hjorth European Union
Rainer Volkamer
Rainer Volkamer University of Colorado Boulder

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