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Issue 5, 2019
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Optimization of iron-doped Ni3S2 nanosheets by disorder engineering for oxygen evolution reaction

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Abstract

Nowadays, disorder engineering of catalytic materials has attracted significant attention because it can increase catalytic active sites and thus enhance their catalytic activity for electrocatalytic reactions. However, it is extremely important to uncover the relationship between disorder engineering and catalytic activity. Particularly, deep exploration of the relationship is very important for fabricating excellent highly active catalysts for oxygen evolution reaction (OER), which is one of the promising technologies in energy transition. In this study, we prepared Fe-doped Ni3S2 materials and simultaneously controlled the disorder degree by regulating the ion concentration to improve the activity for OER. By investigating the as-prepared catalysts with various disorder degrees for OER, we also explored the relationship between the disordered structure and OER catalytic performance. In particular, the optimized electrocatalyst with an appropriate disorder degree showed excellent activity and stability. We hope that this study provides a feasible direction to fabricate and optimize transition metal chalcogenide (TMC) electrocatalysts as efficient and stable electrocatalysts for OER.

Graphical abstract: Optimization of iron-doped Ni3S2 nanosheets by disorder engineering for oxygen evolution reaction

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Publication details

The article was received on 19 Oct 2018, accepted on 23 Dec 2018 and first published on 26 Dec 2018


Article type: Paper
DOI: 10.1039/C8NR08469F
Citation: Nanoscale, 2019,11, 2355-2365

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    Optimization of iron-doped Ni3S2 nanosheets by disorder engineering for oxygen evolution reaction

    Y. Zhu, H. Yang, K. Lan, K. Iqbal, Y. Liu, P. Ma, Z. Zhao, S. Luo, Y. Luo and J. Ma, Nanoscale, 2019, 11, 2355
    DOI: 10.1039/C8NR08469F

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