World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
51
Citations
20095
World Ranking
13759
National Ranking
3569

Christopher Hahn 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 Christopher Hahn 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: 122 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.

Christopher Hahn 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 Christopher Hahn 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: 51 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

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

Best Publications

  • Progress and Perspectives of Electrochemical CO2 Reduction on Copper in Aqueous Electrolyte

    Stephanie A. Nitopi;Erlend Bertheussen;Søren Bertelsen Scott;Xinyan Liu

  • What would it take for renewably powered electrosynthesis to displace petrochemical processes

    Phil De Luna;Phil De Luna;Phil De Luna;Christopher Hahn;Christopher Hahn;Drew Higgins;Drew Higgins;Drew Higgins;Shaffiq A. Jaffer

  • Promoter Effects of Alkali Metal Cations on the Electrochemical Reduction of Carbon Dioxide.

    Joaquin Resasco;Leanne D. Chen;Ezra Clark;Ezra Clark;Charlie Tsai;Charlie Tsai

  • Understanding Selectivity for the Electrochemical Reduction of Carbon Dioxide to Formic Acid and Carbon Monoxide on Metal Electrodes

    Jeremy T. Feaster;Chuan Shi;Etosha R. Cave;Toru Hatsukade

  • Improved CO2 reduction activity towards C2+ alcohols on a tandem gold on copper electrocatalyst

    Carlos G. Morales-Guio;Etosha R. Cave;Stephanie A. Nitopi;Jeremy T. Feaster

  • Electrochemical CO2 Reduction over Compressively Strained CuAg Surface Alloys with Enhanced Multi-Carbon Oxygenate Selectivity

    Ezra L. Clark;Christopher Hahn;Thomas F. Jaramillo;Thomas F. Jaramillo;Alexis T. Bell;Alexis T. Bell

  • pH effects on the electrochemical reduction of CO (2) towards C 2 products on stepped copper

    Xinyan Liu;Philomena Schlexer;Philomena Schlexer;Jianping Xiao;Jianping Xiao;Yongfei Ji;Yongfei Ji;Yongfei Ji

  • Gas-Diffusion Electrodes for Carbon Dioxide Reduction: A New Paradigm

    Drew Higgins;Drew Higgins;Christopher Hahn;Christopher Hahn;Chengxiang Xiang;Thomas F. Jaramillo;Thomas F. Jaramillo

  • Electrochemical Carbon Monoxide Reduction on Polycrystalline Copper: Effects of Potential, Pressure, and pH on Selectivity toward Multicarbon and Oxygenated Products

    Lei Wang;Stephanie A. Nitopi;Erlend Bertheussen;Marat Orazov

  • Engineering Cu surfaces for the electrocatalytic conversion of CO2: Controlling selectivity toward oxygenates and hydrocarbons

    Christopher Hahn;Christopher Hahn;Toru Hatsukade;Youn-Geun Kim;Arturas Vailionis

  • Machine-Learning Methods Enable Exhaustive Searches for Active Bimetallic Facets and Reveal Active Site Motifs for CO2 Reduction

    Zachary W. Ulissi;Zachary W. Ulissi;Michael T. Tang;Michael T. Tang;Jianping Xiao;Jianping Xiao;Xinyan Liu;Xinyan Liu

  • Standards and Protocols for Data Acquisition and Reporting for Studies of the Electrochemical Reduction of Carbon Dioxide

    Ezra L. Clark;Ezra L. Clark;Joaquin Resasco;Joaquin Resasco;Alan Landers;John Lin

  • Double layer charging driven carbon dioxide adsorption limits the rate of electrochemical carbon dioxide reduction on Gold.

    Stefan Ringe;Carlos G. Morales-Guio;Leanne D. Chen;Meredith Fields

  • Oxidation State and Surface Reconstruction of Cu under CO2 Reduction Conditions from In Situ X-ray Characterization

    Soo Hong Lee;John C Lin;John C Lin;Maryam Farmand;Alan T Landers;Alan T Landers

  • Electrochemically converting carbon monoxide to liquid fuels by directing selectivity with electrode surface area

    Lei Wang;Stephanie Nitopi;Andrew B. Wong;Jonathan L. Snider

  • Aqueous Electrochemical Reduction of Carbon Dioxide and Carbon Monoxide into Methanol with Cobalt Phthalocyanine

    Etienne Boutin;Min Wang;John C. Lin;Matthieu Mesnage

  • Development of a reactor with carbon catalysts for modular-scale, low-cost electrochemical generation of H2O2

    Zhihua Chen;Zhihua Chen;Shucheng Chen;Shucheng Chen;Samira Siahrostami;Pongkarn Chakthranont

  • Understanding the Origin of Highly Selective CO 2 Electroreduction to CO on Ni,N-doped Carbon Catalysts

    David Koshy;Shucheng Chen;Dong Un Lee;Michaela Burke Stevens

  • Influence of Atomic Surface Structure on the Activity of Ag for the Electrochemical Reduction of CO2 to CO

    Ezra L. Clark;Ezra L. Clark;Stefan Ringe;Stefan Ringe;Michael Tang;Michael Tang;Amber Walton

  • Electrochemical CO2 reduction on Au surfaces: mechanistic aspects regarding the formation of major and minor products.

    Etosha R. Cave;Joseph H. Montoya;Kendra P. Kuhl;David N. Abram

Frequent Co-Authors

Thomas F. Jaramillo
Thomas F. Jaramillo Stanford University
Drew Higgins
Drew Higgins McMaster University
Jens K. Nørskov
Jens K. Nørskov Technical University of Denmark
Karen Chan
Karen Chan Technical University of Denmark
John C. Lin
John C. Lin University of Utah
Alexis T. Bell
Alexis T. Bell University of California, Berkeley
Peidong Yang
Peidong Yang University of California, Berkeley
Hong-Jie Peng
Hong-Jie Peng University of Electronic Science and Technology of China
Zhenan Bao
Zhenan Bao Stanford University
Eric B. Duoss
Eric B. Duoss Lawrence Livermore National Laboratory

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