简介：Simultaneousfunctionalizationandreductionofgrapheneoxide(GO)isrealizedbyrefluxingofGOsuspensionwithpolyetheramine(D2000)followedbythermaltreatmentat120°C.ComparedtoGO,theD2000-treatedGO(GOD2000)becomeshydrophobic,thermallystableandhighlyconductivewithanelectricalconductivityof11S/m,whichisalmost8ordersofmagnitudehigherthanthatofGO.DuetothehighconductivityandimproveddispersionofGO-D2000,itsepoxynanocompositesexhibitasharptransitionfromelectricallyinsulatingtoconductingwithalowpercolationthresholdof0.71vol%.With3.6wt%GO-D2000,theglasstransitiontemperatureoftheepoxynanocompositeis27Khigherthanthatofneatepoxy.
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