Metal-Organic Framework Hybrid-Assisted Formation of Co3 O4 /Co-Fe Oxide Double-Shelled Nanoboxes for Enhanced Oxygen Evolution

Advanced Materials
Xiao WangXiong Wen David Lou

Abstract

Rational design of complex metal-organic framework (MOF) hybrid precursors offers a great opportunity to construct various functional nanostructures. Here, a novel MOF-hybrid-assisted strategy to synthesize Co3 O4 /Co-Fe oxide double-shelled nanoboxes is reported. In the first step, zeolitic imidazolate framework-67 (ZIF-67, a Co-based MOF)/Co-Fe Prussian blue analogue (PBA) yolk-shell nanocubes are formed via a facile anion-exchange reaction between ZIF-67 nanocube precursors and [Fe(CN)6 ]3- ions at room temperature. Subsequently, an annealing treatment is applied to prepare Co3 O4 /Co-Fe oxide double-shelled nanoboxes. Owing to the structural and compositional benefits, the as-derived Co3 O4 /Co-Fe oxide double-shelled nanoboxes exhibit enhanced electrocatalytic performance for oxygen evolution reaction in alkaline solution.

References

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Nov 9, 2017·Journal of the American Chemical Society·Sibo WangXiong Wen David Lou

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Citations

Jan 11, 2020·Chemical Society Reviews·Xiao WangHongjie Zhang
May 23, 2020·Advanced Science·Jie YinChun-Hua Yan
Jul 1, 2020·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Xiaodan ZhangYuming Huang
Nov 6, 2020·Chemical Communications : Chem Comm·Xin GuanYadong Yao
Nov 10, 2020·Physical Chemistry Chemical Physics : PCCP·Wenhui HuJier Huang
Mar 23, 2021·Advanced Materials·Ben ZhangChong Cheng

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