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Cracked eight-awn star TaS2 with fractal structures performed as efficient electrocatalyst for hydrogen evolution reaction

Abstract

A new eight-awn star TaS2 with special designed fractal and cracked structure was prepared for catalyzing hydrogen evolution reaction (HER). The cracked eight-awn star TaS2 nanomaterials show outstanding electrocatalytic performance toward HER under acidic condition. First-principle calculations suggest that both basal planes and edges of TaS2 are active toward HER. Benefiting from large exposed edge sites, the prepared TaS2 nanomaterials exhibit an excellent electrocatalytic performance with small onset overpotential of 102 mV and low Tafel slope of 66 mV/dec as well as excellent long-term electrocatalytic stability. The present work provides a potential way to design new HER electrocatalysts with special designed fractal and cracked structure. The cracked eight-awn star fractal TaS2 can be one of the most promising electrocatalysts for hydrogen production.

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Publication details

The article was received on 03 Apr 2019, accepted on 12 May 2019 and first published on 13 May 2019


Article type: Paper
DOI: 10.1039/C9CE00492K
CrystEngComm, 2019, Accepted Manuscript

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    Cracked eight-awn star TaS2 with fractal structures performed as efficient electrocatalyst for hydrogen evolution reaction

    Y. Feng, K. Yu and Z. Zhu, CrystEngComm, 2019, Accepted Manuscript , DOI: 10.1039/C9CE00492K

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