Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/141061
Title: Phase controllable fabrication of zinc cobalt sulfide hollow polyhedra as high-performance electrocatalysts for the hydrogen evolution reaction
Authors: Zhang, Bowei
Yang, Guang
Li, Chaojiang
Huang, Kang
Wu, Junsheng
Hao, Shiji
Feng, Jianyong
Peng, Dongdong
Huang, Yizhong
Keywords: Engineering::Materials
Issue Date: 2017
Source: Zhang, B., Yang, G., Li, C., Huang, K., Wu, J., Hao, S., . . . Huang, Y. (2018). Phase controllable fabrication of zinc cobalt sulfide hollow polyhedra as high-performance electrocatalysts for the hydrogen evolution reaction. Nanoscale, 10(4), 1774-1778. doi:10.1039/c7nr08097b
Journal: Nanoscale
Abstract: Structure and phase modulations allow the development of highly active, cost-effective and stable electrocatalysts for the hydrogen evolution reaction (HER) but are rather challenging. In this paper, Zn–Co–S hollow/porous polyhedra with controllable phases were fabricated via solvent-based sulfidation at room temperature followed by thermal annealing. The obtained hollow structure Zn–Co–S-300 with an amorphous phase exhibits excellent electrocatalytic HER activity, which is higher than crystalline Zn–Co sulfides annealed at a higher temperature. Zn–Co–S-300 also shows a long-term working stability (91.7% current density retention over 10 hours) in alkaline media. This work provides a feasible approach for the fabrication of homogeneous ternary transition metal sulfide (TMS) electrocatalysts via the Kirkendall effect towards high-efficiency HER applications.
URI: https://hdl.handle.net/10356/141061
ISSN: 2040-3364
DOI: 10.1039/c7nr08097b
Rights: © 2018 The Royal Society of Chemistry. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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