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Nitrogen-doped Carbon Nanocones Encapsulating with Nickel–Cobalt Mixed Phosphides for Enhanced Hydrogen Evolution Reaction

Abstract

In this work, nickel-cobalt mixed metal phosphides encapsulated into nitrogen-doped carbon nanocones (Ni2P/NiCoP@NCCs) have been prepared through a facile ammonia-etching of nickel-cobalt Prussian blue analogs (Ni-Co PBA) followed by the subsequent phosphidation treatment. During the in-situ and confined phosphidation process, very small nickel-cobalt mixed metal phosphides nanocrystallites are uniformly incorporated into the simultaneously produced nitrogen-doped carbon matrix. Due to the unique structure and composition, the resultant Ni2P/NiCoP@NCCs possesses high electrocatalytic activity and excellent durability for HER in both acidic and alkaline solutions.

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Publication details

The article was received on 13 Jun 2017, accepted on 13 Jul 2017 and first published on 13 Jul 2017


Article type: Communication
DOI: 10.1039/C7TA05146H
Citation: J. Mater. Chem. A, 2017, Accepted Manuscript
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    Nitrogen-doped Carbon Nanocones Encapsulating with Nickel–Cobalt Mixed Phosphides for Enhanced Hydrogen Evolution Reaction

    L. Han, T. Yu, W. Lei, W. Liu, K. Feng, Y. Ding, G. Jiang, P. Xu and Z. Chen, J. Mater. Chem. A, 2017, Accepted Manuscript , DOI: 10.1039/C7TA05146H

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