fabrication of hollow nanosphere using空心纳米球的制备

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1、Supplementarymaterial(ESI)forChemicalCommunicationsThisjournalis©TheRoyalSocietyofChemistry2004SupplementaryInformationfor:Facilefabricationofpolymerandcarbonnanocapsulesusingpolypyrrolecore/shellnanomaterialsJyongsikJang,*XiangLiLiandJoonHakOhHyperstructuredOrganicMaterialsResea

2、rchCenterandSchoolofChemicalEngineering,SeoulNationalUniversity,Shinlimdong56-1,Seoul151-742,Korea.SynthesisofPPynanocapsules:Avariableamountofcationicsurfactantssuchasoctyltrimethylammoniumbromide(OTAB),decyltrimethylammoniumbromide(DeTAB),andcetyltrimethyl-ammoniumbromide(CTAB)

3、wasmagneticallystirredin40mLofdistilledwater.0.5g(7.5mmol)ofpyrrolewasaddeddropwisetothesurfactantsolution,and0.5g(3.8mmol)ofcopper(II)chloridewasputintothesolution.Chemicalpolymerizationproceededfor3hat25°C.Then,1.0g(14.9mmol)ofpyrrolewasaddeddropwiseintothemicellarsolution.Iron

4、(III)chloride(1.2g,7.4mmol)wasdissolvedinasmallamountofdistilledwaterandthesolutionwasaddedtothereactionmixture.Afterthechemicalpolymerizationfor3hat25°C,thereactionproductwasmovedtoaseparationfunnelandexcessmethylalcoholwaspoured.Afterprecipitation,theuppersolutioncontainingsurf

5、actant,solublePPyandresidualoxidantswasdiscardedandthePPynanocapsuleprecipitatewasdriedinavacuumovenatroomtemperature.Fig.S1representstheshellthicknessvariationofPPynanocapsulesasafunctionofmonomeramount.S5Supplementarymaterial(ESI)forChemicalCommunicationsThisjournalis©TheRoyalS

6、ocietyofChemistry2004Preparationofcarbonnanocapsules:AsmallamountofthecrosslinkedPPynanocapsulewasputintoaquartztubeinanelectricfurnaceunderArflow(0.2Lmin-1).Thesamplewasheateduptocarbonizationtemperatureataheatingrate3°Cmin-1,heldfor3h,andthennaturallycooledtoroomtemperature.Ins

7、trumentalAnalysis:TheTEMimagesandEDXdataweretakenusingaJEOLJEM-2000EXIImicroscopeandaPhilipsCM-20microscopecoupledwithanEDXfacility.ThehighresolutionTEMimagewastakenwithaJEOLJEM-2010Fmicroscope.TheSEMimageswereobtainedwithaJEOLJSM-6700Fmicroscope.Elementalanalysiswasconductedwith

8、anEA1110apparatus(CEInstruments).XRDmeas