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Light enhanced energy storage ability through a hybrid plasmonic Ag nanowire decorated hydroxide “skin structure”

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Abstract

By decorating nickel copper hydroxide (NCH) with Ag nanowires (Ag NWs), a 1.7 fold enhancement in areal capacitance (5.4 F cm−2) and a 1.8 fold increment in gravimetric capacitance (3182 F g−1) under light illumination were achieved. The improved supercapacitor performances of the composites under visible-light illumination were demonstrated and a reasonable explanation for this newly-discovered phenomenon was proposed. The plasmonic effect of Ag NWs was demonstrated by hot-electron generation. The decorated Ag NWs served as a stimulus for redox reactions. This research provides a tantalizing opportunity for enhancing the supercapacitor performance by exploiting surface plasmon metals. The finding from this study will be informative for the future design of supercapacitor electrodes.

Graphical abstract: Light enhanced energy storage ability through a hybrid plasmonic Ag nanowire decorated hydroxide “skin structure”

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Publication details

The article was received on 06 Jun 2017, accepted on 01 Nov 2017 and first published on 02 Nov 2017


Article type: Paper
DOI: 10.1039/C7NR04006G
Citation: Nanoscale, 2017, Advance Article
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    Light enhanced energy storage ability through a hybrid plasmonic Ag nanowire decorated hydroxide “skin structure”

    L. Zhang, D. Shi, T. J. Huang, R. Huang and H. Gong, Nanoscale, 2017, Advance Article , DOI: 10.1039/C7NR04006G

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