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One-step growth of graphene–carbon nanotube hybrid materials by chemical vapor deposition.

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One-step growth of graphene–carbon nanotube hybrid materials by chemical vapor deposition.

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Title: One-step growth of graphene–carbon nanotube hybrid materials by chemical vapor deposition.
Author: Dong, Xiaochen.; Li, Bing.; Wei, Ang.; Cao, Xiehong.; Chan-Park, Mary B.; Zhang, Hua.; Li, Lain-Jong.; Huang, Wei.; Chen, Peng.
Copyright year: 2011
Abstract: Graphene–carbon nanotube (CNT) hybrid materials were synthesized by simple one-step chemical vapor deposition (CVD) using ethanol as precursor. On a copper foil decorated with silicon nanparticles (Si NPs), a graphene film grows uniformly on the substrate while CNTs sprout out from Si NPs to form a network on top. The density of CNTs can be controlled by the CVD growth temperature. As measured by scanning and transmission electron microscopy, the obtained CNTs exhibit bamboo-like multiple-wall structures. Electrical characterization shows that the graphene–CNT hybrids exhibit p-type field-effect characteristics and a significantly higher conductivity compared to a CVD grown pure graphene film.
Type: Journal Article
Series/ Journal Title: Carbon
School: School of Materials Science and 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.2011.03.009].
Version: Accepted version

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