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Issue 5, 2019
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Metal support effects in electrocatalysis at hexagonal boron nitride

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Abstract

A scanning electrochemical droplet cell technique has been employed to screen the intrinsic electrocatalytic hydrogen evolution reaction (HER) activity of hexagonal boron nitride (h-BN) nanosheets supported on different metal substrates (Cu and Au). Local (spatially-resolved) voltammetry and Tafel analysis reveal that electronic interaction with the underlying metal substrate plays a significant role in modulating the electrocatalytic activity of h-BN, with Au-supported h-BN exhibiting significantly enhanced HER charge-transfer kinetics (exchange current is ca. two orders of magnitude larger) compared to Cu-supported h-BN, making the former material the superior support in a catalytic sense.

Graphical abstract: Metal support effects in electrocatalysis at hexagonal boron nitride

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Publication details

The article was received on 24 Oct 2018, accepted on 07 Dec 2018 and first published on 11 Dec 2018


Article type: Communication
DOI: 10.1039/C8CC08517J
Chem. Commun., 2019,55, 628-631
  • Open access: Creative Commons BY license
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    Metal support effects in electrocatalysis at hexagonal boron nitride

    D. Liu, B. Tao, H. Ruan, C. L. Bentley and P. R. Unwin, Chem. Commun., 2019, 55, 628
    DOI: 10.1039/C8CC08517J

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