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1、AdvancesinScienceandTechnologyVol.79(2013)pp7-15Onlineavailablesince2012/Sep/11atwww.scientific.net©(2013)TransTechPublications,Switzerlanddoi:10.4028/www.scientific.net/AST.79.7SynthesisofStablePolypyrroleandPolyanilineNanospheresAbhijitJSuryawanshi,JessicaLamb,Victori
2、aJ.GellingDepartmentofCoatingsandPolymericMaterials,NorthDakotaStateUniversity,Fargo,ND,USAabhijit.suryawanshi@my.ndsu.edujessica.lamb@my.und.eduv.j.gelling@ndsu.eduKeywords:Polypyrrole,polyaniline,ozone,scanningelectronmicroscopy,transmissionelectronmicroscopy,FTIR,UVV
3、ISAbstractOneofthemajorobstaclesassociatedwiththesynthesisofconductingpolymernanoparticlesinwateristheirunstablenature,whichistraditionallyovercomethroughtheuseofsoftorhardtemplates.Suchmethodsuseexpensivesurfactants,ofteninlargeamounts,andrequiretheremovalofthetemplate
4、,whichaddscomplexity,expense,andenvironmentalhazard.Thisstudyexploresafacile,one-potsynthesisofstablepolypyrroleandpolyanilinenanospheresinwaterthatusesozoneastheoxidant.Multiplevariableswereinvestigatedinordertostudythemechanismofthisreaction,includingmonomerconcentrat
5、ion,ozoneexposuretime,reactiontemperature,pH,andthesolventsystem.Particlesizemeasurementsrevealedthatthesizeofthenanospheres,rangingfrom50nmto500nmindiameter,canbecontrolledviathesereactionconditions.Theseself-stabilizingnanosphereswerealsocharacterizedusingFouriertrans
6、forminfraredspectroscopy(FTIR),ultraviolet-visiblespectroscopy(UV-Vis),scanningelectronmicroscopy(SEM),transmissionelectronmicroscopy(TEM),andzetapotential.IntroductionConductingpolymersarebeingexploredintensively,fortheircorrosioninhibitionability,inthescientificcommun
7、itybecauseoftheirredoxactivebehavior.Conductivepolymericnanostructures(CPNs),inadditiontotheirconductivityandprocessingadvantageshavelowdimensionsandhighsurfacearea,enablingtobeconsideredforvarioususefulapplications.Theseapplicationsareinavarietyoffields,includingcorros
8、ioninhibition,capacitors,artificialmuscles,solarcells,polymerlightemittingdiodes,andenergystoragedevices[1-2].
