World's Best Scientists 2026 revealed!
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Christopher Hahn

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 51 13759 12387 3569 2921 122 20095

Christopher Hahn publications per year

The chart shows the history of publications by Christopher Hahn between 2008 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Christopher Hahn published across 19 years, from 2008 to 2026, averaging 15.5 papers a year. Output peaked at 46 publications in 2021. 13 of the 294 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 2008 to 2026. Vertical axis: number of publications, 0 to 46. Peak 46 publications in 2021. 2008: 1 publication 2009: 0 publications 2010: 0 publications 2011: 1 publication 2012: 2 publications 2013: 27 publications 2014: 2 publications 2015: 10 publications 2016: 16 publications 2017: 10 publications 2018: 42 publications 2019: 26 publications 2020: 19 publications 2021: 46 publications 2022: 17 publications 2023: 29 publications 2024: 33 publications 2025: 10 publications 2026: 3 publications
2008 2026

294 publications in total across all disciplines

View publications per year as a table
Christopher Hahn: publications per year, 2008 to 2026
Year Publications
2008 1
2009 0
2010 0
2011 1
2012 2
2013 27
2014 2
2015 10
2016 16
2017 10
2018 42
2019 26
2020 19
2021 46
2022 17
2023 29
2024 33
2025 10
2026 3
Total 294
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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.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 121–140 publications, is where this scientist sits. 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
61–80 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.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918 122
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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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.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 50–51 D-Index, is where this scientist sits. 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
40–41 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.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861 51
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
Download as CSV

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

External Links

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Related Online Degrees & Career Pathways

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For those interested in hands-on lab work related to forensic pathology, pursuing information on autopsy technician school can provide insights into the education, salary, and job outlook for this career. This role often involves chemical analysis linked to autopsies and medical examinations.

Expanding into psychology, an online master's degree in forensic psychology combines the study of human behavior with forensic science. This interdisciplinary approach benefits from a strong foundation in scientific principles, including chemistry.

Best Scientists Citing Christopher Hahn

Edward H. Sargent

Edward H. Sargent

Northwestern University

Publications: 48

Yun Jeong Hwang

Yun Jeong Hwang

Seoul National University

Publications: 44

Thomas F. Jaramillo

Thomas F. Jaramillo

Stanford University

Publications: 41

Alexis T. Bell

Alexis T. Bell

University of California, Berkeley

Publications: 40

Jens K. Nørskov

Jens K. Nørskov

Technical University of Denmark

Publications: 39

Jinlong Gong

Jinlong Gong

Tianjin Normal University

Publications: 36

David Sinton

David Sinton

University of Toronto

Publications: 34

Zetian Mi

Zetian Mi

University of Michigan–Ann Arbor

Publications: 32

Cao-Thang Dinh

Cao-Thang Dinh

Queen's University

Publications: 30

Beatriz Roldan Cuenya

Beatriz Roldan Cuenya

Fritz Haber Institute of the Max Planck Society

Publications: 29

Wilson A. Smith

Wilson A. Smith

University of Colorado Boulder

Publications: 28

Jingguang G. Chen

Jingguang G. Chen

Columbia University

Publications: 28

Gengfeng Zheng

Gengfeng Zheng

Fudan University

Publications: 28

Karen Chan

Karen Chan

Technical University of Denmark

Publications: 26

Joel W. Ager

Joel W. Ager

Lawrence Berkeley National Laboratory

Publications: 25

Peidong Yang

Peidong Yang

University of California, Berkeley

Publications: 24

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