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Activation of the MoSe2 basal plane and Se-edge by B doping for enhanced hydrogen evolution

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Abstract

We demonstrate by both calculation and experiments the effective B doping-induced activation of both the basal plane and Se-edge in vertically aligned MoSe2 flakes, and the disruptive enhancement in the electrocatalytic hydrogen evolution reaction. The B doping boosts drastically the catalytic activity of MoSe2 for the hydrogen evolution reaction compared to the undoped one, characterized by a low overpotential (84 mV) and Tafel slope (39 mV s−1), which are comparable to those of the best Pt/C electrode. The realization of activation for both the basal plane and Se-edge by B doping in MoSe2 shows an innovative pathway towards the activity enhancement of TMDs for electrocatalysts and energy storage.

Graphical abstract: Activation of the MoSe2 basal plane and Se-edge by B doping for enhanced hydrogen evolution

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Publication details

The article was received on 13 Nov 2017, accepted on 04 Dec 2017 and first published on 04 Dec 2017


Article type: Paper
DOI: 10.1039/C7TA09982G
Citation: J. Mater. Chem. A, 2018, Advance Article
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    Activation of the MoSe2 basal plane and Se-edge by B doping for enhanced hydrogen evolution

    D. Gao, B. Xia, C. Zhu, Y. Du, P. Xi, D. Xue, J. Ding and J. Wang, J. Mater. Chem. A, 2018, Advance Article , DOI: 10.1039/C7TA09982G

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