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Showing 1–4 of 4 results
Advanced filters: Author: Ryan P. Bisbey Clear advanced filters

  • Although interfacial proton-coupled electron transfers are critical reaction steps in chemical and biological processes, studies investigating these reactions are complicated by surface heterogeneity. Now, interfacial proton-coupled electron transfer kinetics are studied and modelled at isolated, well-defined active sites to provide a foundation for understanding complex reactions involved in energy conversion and catalysis.

    • Noah B. Lewis
    • Ryan P. Bisbey
    • Yogesh Surendranath
    Research
    Nature Chemistry
    Volume: 16, P: 343-352

  • The mechanism by which bimetallic catalysts can outperform their monometallic counterparts is often unexplained. Now nitrate hydrogenation on bimetallic catalysts is shown to proceed via the electrochemical coupling of hydrogen oxidation and nitrate reduction half-reactions, each of which occurs on one metal component.

    • Kunal M. Lodaya
    • Bryan Y. Tang
    • Yogesh Surendranath
    Research
    Nature Catalysis
    Volume: 7, P: 262-272

  • Charge transfer and chemical kinetics both contribute to the overall overpotential that is observed in a typical electrocatalytic experiment, but it remains difficult to resolve the individual contributions. Here a Pd membrane double cell is used to separate the charge transfer and chemical steps in the hydrogen evolution reaction to evaluate how experimental conditions affect the individual steps.

    • Bryan Y. Tang
    • Ryan P. Bisbey
    • Yogesh Surendranath
    Research
    Nature Catalysis
    Volume: 6, P: 339-350

  • The mechanism of heterogeneous aqueous-phase aerobic oxidations remains under debate. Now, it has been shown that the reaction can be described as two coupled electrochemical half-reactions for oxygen reduction and substrate oxidation, and the thermochemical rates can be derived from the electrochemical half-reactions via the application of mixed potential theory.

    • Jaeyune Ryu
    • Daniel T. Bregante
    • Yogesh Surendranath
    Research
    Nature Catalysis
    Volume: 4, P: 742-752