Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/139800
Title: Formation of Ni-Fe mixed diselenide nanocages as a superior oxygen evolution electrocatalyst
Authors: Nai, Jianwei
Lu, Yan
Yu, Le
Wang, Xin
Lou, David Xiong Wen
Keywords: Engineering::Chemical engineering
Issue Date: 2017
Source: Nai, J., Lu, Y., Yu, L., Wang, X., & Lou, D. X. W. (2017). Formation of Ni-Fe mixed diselenide nanocages as a superior oxygen evolution electrocatalyst. Advanced materials, 29(41), 1703870-. doi:10.1002/adma.201703870
Project: NRF-NRFI2016-04
Journal: Advanced materials
Abstract: Exploring effective electrocatalysts is a crucial requirement for boosting the efficiency of water splitting to obtain clean fuels. Here, a self-templating strategy is reported to synthesize Ni-Fe mixed diselenide cubic nanocages for the electrocatalytic oxygen evolution reaction (OER). The diselenide nanocages are derived from corresponding Prussian-blue analog nanocages, which are first obtained by treating the nanocube precursor with a site-selective ammonia etchant. The resulting Ni-Fe mixed diselenide nanocages perform as a superior OER electrocatalyst, which affords a current density of 10 mA cm-2 at a small overpotential of 240 mV; a high current density, mass activity, and turnover frequency of 100 mA cm-2 , 1000 A g-1 , and 0.58 s-1 , respectively, at the overpotential of 270 mV; a Tafel slope as small as 24 mV dec-1 ; and excellent stability in alkaline medium.
URI: https://hdl.handle.net/10356/139800
ISSN: 0935-9648
DOI: 10.1002/adma.201703870
Rights: This is the accepted version of the following article: Nai, J., Lu, Y., Yu, L., Wang, X., & Lou, D. X. W. (2017). Formation of Ni-Fe mixed diselenide nanocages as a superior oxygen evolution electrocatalyst. Advanced materials, 29(41), 1703870-., which has been published in final form at 10.1002/adma.201703870. This article may be used for non-commercial purposes in accordance with the Wiley Self-Archiving Policy [https://authorservices.wiley.com/authorresources/Journal-Authors/licensing/self-archiving.html].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SCBE Journal Articles

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