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Title: Arrays of ultrafine CuS nanoneedles supported on a CNT backbone for application in supercapacitors
Authors: Zhu, Ting
Xia, Bao Yu
Zhou, Liang
Lou, David Xiong Wen
Issue Date: 2012
Source: Zhu, T., Xia, B., Zhou, L., & Lou, D. X. W. (2012). Arrays of ultrafine CuS nanoneedles supported on a CNT backbone for application in supercapacitors. Journal of materials chemistry, 22(16), 7851-7855.
Series/Report no.: Journal of materials chemistry
Abstract: Arrays of CuS ultrafine nanoneedles supported on a carbon nanotube (CNT) backbone (CNT@CuS) are fabricated by an efficient template-engaged chemical conversion route. First, the silica coated CNTs (CNT@SiO2) are introduced as the substrate for the growth of copper silicate (CuSilicate) nanoneedles to form CNT@SiO2@CuSilicate core–shell one-dimensional (1D) structures. In the second step, the CuSilicate nanoneedles are completely transformed into CuS nanoneedles via a hydrothermal treatment with Na2S. Simultaneously the intermediate silica layer is removed during the hydrothermal process, thus resulting in hierarchical CNT@CuS complex nanostructures. In virtue of the unique architecture and intrinsic properties, the as-prepared CNT@CuS hierarchical structures exhibit high capacitance and excellent cycling stability.
DOI: 10.1039/c2jm30437f
Rights: © 2012 Royal Society of Chemistry.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:ERI@N Journal Articles
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