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The formation of a carbon nanotube–graphene oxide core–shell structure and its possible applications

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The formation of a carbon nanotube–graphene oxide core–shell structure and its possible applications

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Title: The formation of a carbon nanotube–graphene oxide core–shell structure and its possible applications
Author: Dong, Xiaochen; Xing, Guichuan; Chan-Park, Mary B.; Shi, Wenhui; Xiao, Ni; Wang, Jing; Yan, Qingyu; Sum, Tze Chien; Huang, Wei; Chen, Peng
Copyright year: 2011
Abstract: A stable aqueous dispersion of hydrophobic single-walled carbon nanotubes (SWCNTs) and amphiphilic graphene oxide (GO) nano-sheets was produced by sonication mixing without assistance of any surfactant. Raman spectroscopy, scanning electron microscopy, transmission electron microscopy, and electrical characterization suggest that SWCNTs are completely wrapped by GO nano-sheets. The spontaneous formation of such a core–shell structure is due to the strong pi–pi stacking interaction between the two materials. The electronic coupling between them is evidenced by time-resolved fluorescence measurement. The potential of such a nanocarbon hybrid in optical limiting and supercapacitor applications is discussed.
Subject: DRNTU::Engineering::Materials::Nanostructured materials
Type: Journal Article
Series/ Journal Title: Carbon
School: School of Chemical and Biomedical Engineering
Rights: © 2011 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Carbon, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [DOI: http://dx.doi.org/10.1016/j.carbon.2011.07.025].
Version: Accepted version

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