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Issue 39, 2018
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Heterogeneous Co(OH)2 nanoplates/Co3O4 nanocubes enriched with oxygen vacancies enable efficient oxygen evolution reaction electrocatalysis

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Abstract

Heterogeneous Co(OH)2 nanoplate/Co3O4 nanocube hybrids with rich oxygen vacancies have been constructed through a controllable approach. The high surface areas of such unique nanohybrids together with abundant oxygen vacancies provide more surface active sites, which can facilitate the charge transfer and boost the exchange of intermediates. Specifically, the resultant Co(OH)2 nanoplate/Co3O4 nanocube hybrids display outstanding oxygen evolution reaction (OER) performances with a low overpotential of 281 mV at 10 mA cm−2 and excellent durability after continuous CV of 3000 cycles, shedding light for large-scale applications in practical water splitting.

Graphical abstract: Heterogeneous Co(OH)2 nanoplates/Co3O4 nanocubes enriched with oxygen vacancies enable efficient oxygen evolution reaction electrocatalysis

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Publication details

The article was received on 21 Jul 2018, accepted on 16 Sep 2018 and first published on 17 Sep 2018


Article type: Communication
DOI: 10.1039/C8NR05883K
Citation: Nanoscale, 2018,10, 18468-18472
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    Heterogeneous Co(OH)2 nanoplates/Co3O4 nanocubes enriched with oxygen vacancies enable efficient oxygen evolution reaction electrocatalysis

    H. Xu, J. Wei, M. Zhang, C. Liu, Y. Shiraishi, C. Wang and Y. Du, Nanoscale, 2018, 10, 18468
    DOI: 10.1039/C8NR05883K

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