Christopher Hahn

20.3k total citations · 10 hit papers
94 papers, 16.6k citations indexed

About

Christopher Hahn is a scholar working on Renewable Energy, Sustainability and the Environment, Catalysis and Electrical and Electronic Engineering. According to data from OpenAlex, Christopher Hahn has authored 94 papers receiving a total of 16.6k indexed citations (citations by other indexed papers that have themselves been cited), including 80 papers in Renewable Energy, Sustainability and the Environment, 39 papers in Catalysis and 31 papers in Electrical and Electronic Engineering. Recurrent topics in Christopher Hahn's work include CO2 Reduction Techniques and Catalysts (64 papers), Electrocatalysts for Energy Conversion (49 papers) and Ionic liquids properties and applications (32 papers). Christopher Hahn is often cited by papers focused on CO2 Reduction Techniques and Catalysts (64 papers), Electrocatalysts for Energy Conversion (49 papers) and Ionic liquids properties and applications (32 papers). Christopher Hahn collaborates with scholars based in United States, Denmark and Canada. Christopher Hahn's co-authors include Thomas F. Jaramillo, Drew Higgins, Karen Chan, Jens K. Nørskov, Stephanie Nitopi, Shaffiq A. Jaffer, Edward H. Sargent, Xinyan Liu, Phil De Luna and Erlend Bertheussen and has published in prestigious journals such as Science, Chemical Reviews and Proceedings of the National Academy of Sciences.

In The Last Decade

Christopher Hahn

87 papers receiving 16.4k citations

Hit Papers

5 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

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

2019 3.9k citations Stephanie Nitopi, Erlend Bertheussen et al. Chemical Reviews profile →
What would it take for renewably powered electrosynthesis to displace petrochemical processes?

2019 2.3k citations Christopher Hahn, Drew Higgins et al. profile →
Promoter Effects of Alkali Metal Cations on the Electrochemical Reduction of Carbon Dioxide

2017 929 citations Joaquin Resasco, Leanne D. Chen et al. Journal of the American Chemical Society profile →
Understanding Selectivity for the Electrochemical Reduction of Carbon Dioxide to Formic Acid and Carbon Monoxide on Metal Electrodes

2017 801 citations Jeremy T. Feaster, Christopher Hahn et al. profile →
Improved CO2 reduction activity towards C2+ alcohols on a tandem gold on copper electrocatalyst

2018 656 citations Carlos G. Morales‐Guio, Stephanie Nitopi et al. Nature Catalysis profile →
Electrochemical CO₂ Reduction over Compressively Strained CuAg Surface Alloys with Enhanced Multi-Carbon Oxygenate Selectivity

2017 595 citations Ezra L. Clark, Christopher Hahn et al. Journal of the American Chemical Society profile →
pH effects on the electrochemical reduction of CO(2) towards C2 products on stepped copper

2018 518 citations Xinyan Liu, Philomena Schlexer et al. Nature Communications profile →
Gas-Diffusion Electrodes for Carbon Dioxide Reduction: A New Paradigm

2018 499 citations Drew Higgins, Christopher Hahn et al. ACS Energy Letters profile →
Gas diffusion electrodes, reactor designs and key metrics of low-temperature CO2 electrolysers

2022 473 citations David Wakerley, Sarah Lamaison et al. Nature Energy profile →
Best practices for in-situ and operando techniques within electrocatalytic systems

2025 51 citations Aditya Prajapati, Christopher Hahn et al. Nature Communications profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Christopher Hahn United States	49	15.2k	8.6k	4.9k	4.7k	2.2k	94	16.6k
Phil De Luna Canada	29	13.5k 0.9×	7.2k 0.8×	4.4k 0.9×	4.6k 1.0×	2.1k 0.9×	39	15.0k
Karen Chan United States	63	19.6k 1.3×	9.5k 1.1×	7.7k 1.6×	7.0k 1.5×	1.9k 0.8×	117	22.1k
Xinyan Liu China	40	7.5k 0.5×	4.4k 0.5×	4.1k 0.8×	5.1k 1.1×	1.1k 0.5×	128	11.8k
Wilson A. Smith Netherlands	61	10.5k 0.7×	4.1k 0.5×	4.8k 1.0×	5.0k 1.1×	871 0.4×	148	12.9k
Mingchuan Luo China	58	13.6k 0.9×	3.9k 0.5×	5.5k 1.1×	7.5k 1.6×	662 0.3×	130	15.6k
Yun Jeong Hwang South Korea	54	9.0k 0.6×	3.9k 0.5×	4.9k 1.0×	3.9k 0.8×	887 0.4×	168	11.1k
Brian Seger Denmark	49	11.7k 0.8×	4.0k 0.5×	7.4k 1.5×	6.1k 1.3×	1.0k 0.5×	108	15.8k
Qi Lu China	51	8.2k 0.5×	4.1k 0.5×	3.9k 0.8×	4.3k 0.9×	789 0.4×	147	11.2k
Wen–Bin Cai China	55	8.9k 0.6×	2.6k 0.3×	4.9k 1.0×	5.0k 1.1×	1.1k 0.5×	169	12.1k
Shyam Kattel United States	49	6.8k 0.4×	6.5k 0.8×	6.9k 1.4×	2.5k 0.5×	2.3k 1.0×	89	11.6k

Countries citing papers authored by Christopher Hahn

Since Specialization

Citations

This map shows the geographic impact of Christopher Hahn's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Christopher Hahn with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Christopher Hahn more than expected).

Fields of papers citing papers by Christopher Hahn

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Christopher Hahn. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Christopher Hahn. The network helps show where Christopher Hahn may publish in the future.

Co-authorship network of co-authors of Christopher Hahn

This figure shows the co-authorship network connecting the top 25 collaborators of Christopher Hahn. A scholar is included among the top collaborators of Christopher Hahn based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Christopher Hahn. Christopher Hahn is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Goldman, Maxwell, Aditya Prajapati, Auston L. Clemens, et al.. (2025). Designing ionomers to control water content for low-voltage ethylene production from CO2 electrolysis. Chem Catalysis. 5(11). 101497–101497.

Prajapati, Aditya, Christopher Hahn, Inez M. Weidinger, et al.. (2025). Best practices for in-situ and operando techniques within electrocatalytic systems. Nature Communications. 16(1). 2593–2593. 51 indexed citations breakdown →

Hahn, Christopher, et al.. (2025). TCAD simulations of radiation damage in 4H-SiC. Microelectronic Engineering. 299. 112352–112352.

Prajapati, Aditya, Maxwell Goldman, Auston L. Clemens, et al.. (2024). Engineering Controls for Scaling CO2 Electrolyzers. ECS Meeting Abstracts. MA2024-01(27). 1445–1445. 1 indexed citations

Goldman, Maxwell, Aditya Prajapati, Eric B. Duoss, Sarah E. Baker, & Christopher Hahn. (2023). Bridging fundamental science and applied science to accelerate CO2 electrolyzer scale-up. Current Opinion in Electrochemistry. 39. 101248–101248. 9 indexed citations

Govindarajan, Nitish, et al.. (2023). Coupling Microkinetics with Continuum Transport Models to Understand Electrochemical CO 2 Reduction in Flow Reactors. SHILAP Revista de lepidopterología. 2(3). 9 indexed citations

Hahn, Christopher. (2023). Virtuelle Mitarbeiterbeteiligung. Essentials. 1 indexed citations

Koshy, David M., Md Delowar Hossain, Ryo Masuda, et al.. (2022). Investigation of the Structure of Atomically Dispersed NiN _x Sites in Ni and N-Doped Carbon Electrocatalysts by ⁶¹ Ni Mössbauer Spectroscopy and Simulations. Journal of the American Chemical Society. 144(47). 21741–21750. 13 indexed citations

Hahn, Christopher, et al.. (2022). Osteosarcoma as a primary bone tumor in the adult foot: A case report. SHILAP Revista de lepidopterología. 2(4). 100248–100248.

10.

Resasco, Joaquin, Frank Abild‐Pedersen, Christopher Hahn, et al.. (2022). Enhancing the connection between computation and experiments in electrocatalysis. Nature Catalysis. 5(5). 374–381. 96 indexed citations

11.

Wakerley, David, Sarah Lamaison, Joshua Wicks, et al.. (2022). Gas diffusion electrodes, reactor designs and key metrics of low-temperature CO2 electrolysers. Nature Energy. 7(2). 130–143. 473 indexed citations breakdown →

12.

Li, Wenqin, Jeremy T. Feaster, Sneha A. Akhade, et al.. (2021). Comparative Techno-Economic and Life Cycle Analysis of Water Oxidation and Hydrogen Oxidation at the Anode in a CO₂ Electrolysis to Ethylene System. ACS Sustainable Chemistry & Engineering. 9(44). 14678–14689. 19 indexed citations

13.

Landers, Alan, Hong‐Jie Peng, David M. Koshy, et al.. (2021). Dynamics and Hysteresis of Hydrogen Intercalation and Deintercalation in Palladium Electrodes: A Multimodal In Situ X-ray Diffraction, Coulometry, and Computational Study. Chemistry of Materials. 33(15). 5872–5884. 15 indexed citations

14.

Nishimura, Yusaku, Hong‐Jie Peng, Stephanie Nitopi, et al.. (2021). Guiding the Catalytic Properties of Copper for Electrochemical CO₂ Reduction by Metal Atom Decoration. ACS Applied Materials & Interfaces. 13(44). 52044–52054. 23 indexed citations

15.

Ringe, Stefan, Carlos G. Morales‐Guio, Leanne D. Chen, et al.. (2020). Double layer charging driven carbon dioxide adsorption limits the rate of electrochemical carbon dioxide reduction on Gold. Nature Communications. 11(1). 277 indexed citations

16.

Hahn, Christopher & Thomas F. Jaramillo. (2020). Using Microenvironments to Control Reactivity in CO2 Electrocatalysis. Joule. 4(2). 292–294. 57 indexed citations

17.

Nitopi, Stephanie, Erlend Bertheussen, Søren B. Scott, et al.. (2019). Progress and Perspectives of Electrochemical CO₂ Reduction on Copper in Aqueous Electrolyte. Chemical Reviews. 119(12). 7610–7672. 3931 indexed citations breakdown →

18.

Farmand, Maryam, Alan Landers, John C. Lin, et al.. (2019). Electrochemical flow cell enabling operando probing of electrocatalyst surfaces by X-ray spectroscopy and diffraction. Physical Chemistry Chemical Physics. 21(10). 5402–5408. 48 indexed citations

19.

Liu, Xinyan, Philomena Schlexer, Jianping Xiao, et al.. (2018). pH effects on the electrochemical reduction of CO(2) towards C2 products on stepped copper. Nature Communications. 10(1). 32–32. 518 indexed citations breakdown →

20.

Landers, Alan, Meredith Fields, Daniel A. Torelli, et al.. (2018). The Predominance of Hydrogen Evolution on Transition Metal Sulfides and Phosphides under CO₂ Reduction Conditions: An Experimental and Theoretical Study. ACS Energy Letters. 3(6). 1450–1457. 72 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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