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An MOF-like Interpenetrated 2D Plus 2D to 3D Inorganic Grid Assembled by Linear Inorganic Pillars, Structures, and Properties in Supercapacitance

Remarkable progresses regarding pure inorganic frameworks and metal–organic frameworks (MOF) have been made. However, pure inorganic frameworks with MOF-like grid structures are rarely reported due to the weakness of inorganic moiety as a long linear linker. We report herein a fascinating inorganic...

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Bibliographic Details
Published in:Inorganic chemistry 2018-08, Vol.57 (15), p.9153-9159
Main Authors: Xu, Nan-Nan, Qian, Li-Wen, Li, Zhao-Qi, Bian, Guo-Qing, Zhu, Qin-Yu, Dai, Jie
Format: Article
Language:English
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Summary:Remarkable progresses regarding pure inorganic frameworks and metal–organic frameworks (MOF) have been made. However, pure inorganic frameworks with MOF-like grid structures are rarely reported due to the weakness of inorganic moiety as a long linear linker. We report herein a fascinating inorganic framework assembled by a [Ge4S10]4– cluster node and a linear [−Cu–MS4–Cu−] (M = Mo (1) and W (2)) inorganic pillar. Their network shows MOF-like orthogonal structure with two interpenetrated two-dimensional (2D) plus 2D to 3D framework and a 1D nano tunnel. Electrodes with crystalline sample of 1 and 2, inorganic sulfide framework, were prepared, and their quasi-capacitance behaviors were investigated. Electrochemical performances were evaluated by cyclic voltammetry and galvanostatic charge–discharge techniques in CsOH, KOH, NaOH, and LiOH electrolytes. The results revealed that the crystal materials exhibit moderate specific capacitance values that are comparable to those of porous sulfide materials.
ISSN:0020-1669
1520-510X
DOI:10.1021/acs.inorgchem.8b01168