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Issue 28, 2018
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Synergistically enhanced hydrogen evolution electrocatalysis by in situ exsolution of metallic nanoparticles on perovskites

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Abstract

We report a smart and effective approach to construct nano-sized metal/perovskite hybrids by a facile exsolution process as highly active electrocatalysts towards the alkaline HER. Ni nanoparticle (NP)-decorated La0.4Sr0.4Ti0.9O3−δ perovskite (e-LSTN) with an intimate interface, representing a novel prime example of such hybrid catalysts, can synergistically catalyze the HER in basic media whereby La0.4Sr0.4Ti0.9O3−δ (LST) promotes water dissociation and Ni NPs (∼30 nm) enable favorable hydrogen adsorption for recombination into H2. This work not only brings about a cost-effective HER electrocatalyst, but also more generally opens up new vistas for developing more advanced materials for various applications in the future.

Graphical abstract: Synergistically enhanced hydrogen evolution electrocatalysis by in situ exsolution of metallic nanoparticles on perovskites

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Publication details

The article was received on 13 Mar 2018, accepted on 16 Apr 2018 and first published on 16 Apr 2018


Article type: Communication
DOI: 10.1039/C8TA02347F
Citation: J. Mater. Chem. A, 2018,6, 13582-13587
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    Synergistically enhanced hydrogen evolution electrocatalysis by in situ exsolution of metallic nanoparticles on perovskites

    Y. Zhu, J. Dai, W. Zhou, Y. Zhong, H. Wang and Z. Shao, J. Mater. Chem. A, 2018, 6, 13582
    DOI: 10.1039/C8TA02347F

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