Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/107035
Title: Formation of nickel sulfide nanoframes from metal-organic frameworks with enhanced pseudocapacitive and electrocatalytic properties
Authors: Yu, Xin-Yao
Yu, Le
Wu, Hao Bin
Lou, David Xiong Wen
Keywords: DRNTU::Science::Chemistry::Biochemistry
Issue Date: 2015
Source: Yu, X. Y., Yu, L., Wu, H. B., & Lou, D. X. W. (2015). Formation of nickel sulfide nanoframes from metal-organic frameworks with enhanced pseudocapacitive and electrocatalytic properties. Angewandte chemie International edition, 54(18), 5331-5335.
Series/Report no.: Angewandte chemie International edition
Abstract: Nanoframe-like hollow structures with unique three-dimensional (3D) open architecture hold great promise for various applications. Current research efforts mainly focus on frame-like noble metals and metal oxides. However, metal sulfides with frame-like nanostructures have been rarely reported. Starting from metal–organic frameworks (MOFs), we demonstrate a novel structure-induced anisotropic chemical etching/anion exchange method to transform Ni-Co Prussian blue analogue (PBA) nanocubes into NiS nanoframes with tunable size. The reaction between Ni-Co PBA nanocube templates and Na2S in solution leads to the formation of well-defined NiS nanoframes. The different reactivity between the edges and the plane surface of the Ni-Co PBA nanocubes is found to be the key factor for the formation of NiS nanoframes. Benefitting from their structural merits including 3D open structure, small size of primary nanoparticles, high specific surface area, and good structural robustness, the as-derived NiS nanoframes manifest excellent electrochemical performance for electrochemical capacitors and hydrogen evolution reaction in alkaline electrolyte.
URI: https://hdl.handle.net/10356/107035
http://hdl.handle.net/10220/25267
ISSN: 1433-7851
DOI: 10.1002/anie.201500267
Rights: © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SCBE Journal Articles

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