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Issue 32, 2017
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Nitrogen-doped carbon nanocones encapsulating with nickel–cobalt mixed phosphides for enhanced hydrogen evolution reaction

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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 PBAs) followed by a subsequent phosphidation treatment. During the in situ and confined phosphidation process, very small nickel–cobalt mixed metal phosphide nanocrystallites are uniformly incorporated into the simultaneously produced nitrogen-doped carbon matrix. Due to the unique structure and composition, the resultant Ni2P/NiCoP@NCCs possess high electrocatalytic activity and excellent durability for the HER in both acidic and alkaline solutions.

Graphical abstract: Nitrogen-doped carbon nanocones encapsulating with nickel–cobalt mixed phosphides for enhanced hydrogen evolution reaction

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Supplementary files

Article information


Submitted
13 Jun 2017
Accepted
13 Jul 2017
First published
13 Jul 2017

J. Mater. Chem. A, 2017,5, 16568-16572
Article type
Communication

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, 5, 16568
DOI: 10.1039/C7TA05146H

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