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ACS Nano， 2009， 3 (2)， pp 411–417，Synthesis of Graphene Sheets with High Electrical Conductivity and Good Thermal Stability by Hydrogen Arc Discharge Exfoliation.pdf

ACS Nano， 2009， 3 (2)， pp 411–417，Synthesis of Graphene Sheets with High Electrical Conductivity and Good Thermal Stability by Hydrogen Arc Discharge Exfoliation.pdf

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页数：7页

时间：2019-03-14

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1、ARTICLESynthesisofGrapheneSheetswithHighElectricalConductivityandGoodThermalStabilitybyHydrogenArcDischargeExfoliationZhong-ShuaiWu,WencaiRen,*LiboGao,JinpingZhao,ZongpingChen,BiluLiu,DaimingTang,BingYu,ChuanbinJiang,andHui-MingCheng*ShenyangNationalLaboratoryforMaterialsScience,InstituteofM

2、etalResearch,ChineseAcademyofSciences,Shenyang110016,P.R.Chinaraphene13hasrecentlyattractedincreasingattentionbecauseofitsABSTRACTWedevelopedahydrogenarcdischargeexfoliationmethodforthesynthesisofgraphenesheetsGpeculiarelectronicpropertiessuch(GSs)withexcellentelectricalconductivityandgoodt

3、hermalstabilityfromgraphiteoxide(GO),incombinationasquantumHalleffect,4two-dimensionalwithsolution-phasedispersionandcentrifugationtechniques.Itwasfoundthatefficientexfoliationand(2D)Diracfermions5anditsvariouspromis-considerabledeoxygenationofGO,anddefecteliminationandhealingofexfoliatedgrap

4、hitecanbeingpotentialapplicationssuchas6,7simultaneouslyachievedduringthehydrogenarcdischargeexfoliationprocess.TheGSsobtainedbyhydrogencomposites,transparentconductive3films,8,9lithium-ionbatteries,10supercapaci-arcdischargeexfoliationexhibitahighelectricalconductivityof210S/cmandhightherm

5、alstabilitywithtors,11organicphotovoltaiccells,12,13elec-oxidizationresistancetemperatureof601°C,whicharemuchbetterthanthosepreparedbyargonarcdischargetronfieldemitters,14fieldeffecttransistors,15exfoliation(2102S/cm,525°C)andbyconventionalthermalexfoliation(80S/cm,507°C)withthesameandultra

6、sensitivesensors.16Severalstrate-startingGO.Theseresultsdemonstratethatthishydrogenarcdischargeexfoliationmethodisagoodapproachforgiesaredevelopedtoproducethis2Dcar-thepreparationofGSswithagoodquality.bonmaterial,suchasmechanicalcleavage,1epitaxialgrowthonSiC17ormetalsub-KEYWORDS:graphene·sy

7、nthesis·arcdischarge·exfoliation·electricalstrates,18andchemicalexfoliationofconductivity·thermalstabilitygraphite.1921Amongthesemethods,chemicalexfoliationiswidelyconsidered24tionofgraphiteinorganicsolvents.Aksayasapromisingapproachforlarge-scale

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