Catalysis of hydrogen evolution reaction by Ni 12 P 5 single crystalline nanoplates and spherical nanoparticles

Elaborate design of highly active catalysts from earth-abundant elements is important for the development of water-splitting devices. We have synthesized {2̄ 1 1} high index-faceted Ni 12 P 5 nanoplates and Ni 12 P 5 spherical nanoparticles (SNPs) by the one-step solvothermal method. The Ni 12 P 5 n...

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Bibliographic Details
Published in:CrystEngComm 2019-01, Vol.21 (2), p.228-235
Main Authors: Chen, Zhichao, Shan, Aixian, Cui, Yimin, Wang, Rongming, Chen, Chinping
Format: Article
Language:English
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Summary:Elaborate design of highly active catalysts from earth-abundant elements is important for the development of water-splitting devices. We have synthesized {2̄ 1 1} high index-faceted Ni 12 P 5 nanoplates and Ni 12 P 5 spherical nanoparticles (SNPs) by the one-step solvothermal method. The Ni 12 P 5 nanoplates show enhanced hydrogen evolution reaction activity with a lower overpotential of −128 mV and a smaller Tafel slope of 60.6 mV dec −1 compared to Ni 12 P 5 SNPs. Stability tests reveal exceptional durability of the catalyst. This study offers an attractive catalytic material for large-scale hydrogen production technology.
ISSN:1466-8033
1466-8033
DOI:10.1039/C8CE01331D