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低温热还原和原位制备导电聚合物纳米复合材料制备高导电石墨烯。

Highly conductive graphene by low-temperature thermal reduction and in situ preparation of conductive polymer nanocomposites.

机构信息

School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798.

出版信息

Nanoscale. 2012 Aug 21;4(16):4968-71. doi: 10.1039/c2nr31258a. Epub 2012 Jul 16.

DOI:10.1039/c2nr31258a
PMID:22797422
Abstract

Polydopamine-coated graphene oxide (DGO) films exhibit electrical conductivities of 11,000 S m(-1) and 30,000 S m(-1) upon vacuum annealing at 130 °C and 180 °C, respectively. Conductive poly(vinyl alcohol)/graphene and epoxy/graphene nanocomposites show low percolation thresholds due to the excellent dispersibility of the DGO sheets and their effective in situ reduction.

摘要

经 130°C 和 180°C 真空退火处理后，多巴胺包覆氧化石墨烯（DGO）薄膜的电导率分别达到 11000 S m(-1)和 30000 S m(-1)。由于 DGO 片层具有优异的分散性和有效的原位还原，导电的聚（乙烯醇）/石墨烯和环氧/石墨烯纳米复合材料具有较低的渗流阈值。

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