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Issue 18, 2018
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Metallic few-layered VSe2 nanosheets: high two-dimensional conductivity for flexible in-plane solid-state supercapacitors

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Abstract

Metallic two-dimensional (2D) 1T-VSe2 with high conductivity and a large specific surface area is a promising electrode material for supercapacitors. Here, we use a facile chemical vapor deposition (CVD) method to prepare thin VSe2 nanosheets. A flexible in-plane solid-state supercapacitor is fabricated using the high-quality VSe2 nanosheets as the electrode material. The prepared supercapacitor presents an electrical double-layer capacitive behavior, and it has a high power density that is comparable with that of advanced graphene-based supercapacitors. The flexible supercapacitor also shows good mechanical stability to both bending and fatigue tests up to 10 000 cycles. This work provides a novel method for the fabrication of high-performance thin-film power sources, and paves the way for their application in soft thin-geometry devices.

Graphical abstract: Metallic few-layered VSe2 nanosheets: high two-dimensional conductivity for flexible in-plane solid-state supercapacitors

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Publication details

The article was received on 04 Jan 2018, accepted on 06 Mar 2018 and first published on 06 Mar 2018


Article type: Paper
DOI: 10.1039/C8TA00089A
Citation: J. Mater. Chem. A, 2018,6, 8299-8306
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    Metallic few-layered VSe2 nanosheets: high two-dimensional conductivity for flexible in-plane solid-state supercapacitors

    C. Wang, X. Wu, Y. Ma, G. Mu, Y. Li, C. Luo, H. Xu, Y. Zhang, J. Yang, X. Tang, J. Zhang, W. Bao and C. Duan, J. Mater. Chem. A, 2018, 6, 8299
    DOI: 10.1039/C8TA00089A

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