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Three-dimensional flexible and conductive interconnected graphene networks grown by chemical vapour deposition
Z. P. Chen; W. C. Ren; L. B. Gao; B. L. Liu; S. F. Pei; H. M. Cheng
2011
发表期刊Nature Materials
ISSN1476-1122
卷号10期号:6页码:424-428
摘要Integration of individual two-dimensional graphene sheets(1-3) into macroscopic structures is essential for the application of graphene. A series of graphene-based composites(4-6) and macroscopic structures(7-11) have been recently fabricated using chemically derived graphene sheets. However, these composites and structures suffer from poor electrical conductivity because of the low quality and/or high inter-sheet junction contact resistance of the chemically derived graphene sheets. Here we report the direct synthesis of three-dimensional foam-like graphene macrostructures, which we call graphene foams (GFs), by template-directed chemical vapour deposition. A GF consists of an interconnected flexible network of graphene as the fast transport channel of charge carriers for high electrical conductivity. Even with a GF loading as low as similar to 0.5 wt%, GF/poly(dimethyl siloxane) composites show a very high electrical conductivity of similar to 10 S cm(-1), which is similar to 6 orders of magnitude higher than chemically derived graphene-based composites(4). Using this unique network structure and the outstanding electrical and mechanical properties of GFs, as an example, we demonstrate the great potential of GF/poly(dimethyl siloxane) composites for flexible, foldable and stretchable conductors(12).
部门归属[chen, zongping; ren, wencai; gao, libo; liu, bilu; pei, songfeng; cheng, hui-ming] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china.;cheng, hm (reprint author), chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china;cheng@imr.ac.cn
关键词Large-area Epitaxial Graphene Layer Graphene Films Oxide Transparent Electrodes Graphite Sheets Matrix
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文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/30281
专题中国科学院金属研究所
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Z. P. Chen,W. C. Ren,L. B. Gao,et al. Three-dimensional flexible and conductive interconnected graphene networks grown by chemical vapour deposition[J]. Nature Materials,2011,10(6):424-428.
APA Z. P. Chen,W. C. Ren,L. B. Gao,B. L. Liu,S. F. Pei,&H. M. Cheng.(2011).Three-dimensional flexible and conductive interconnected graphene networks grown by chemical vapour deposition.Nature Materials,10(6),424-428.
MLA Z. P. Chen,et al."Three-dimensional flexible and conductive interconnected graphene networks grown by chemical vapour deposition".Nature Materials 10.6(2011):424-428.
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