Incorporation of surface-derivatized gold nanoparticles into.pdf

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1、ElectrochemistryCommunications4(2002)210–213www.elsevier.com/locate/elecomIncorporationofsurface-derivatizedgoldnanoparticlesintoelectrochemicallygeneratedpolymerfilmsZhangquanPeng,ErkangWang,ShaojunDong*StateKeyLaboratoryofElectroanalyticalChemistry,InstituteofAppliedChemistry,C

2、hineseAcademyofSciences,Changchun,Jilin130022,People’sRepublicofChinaReceived18December2001;receivedinrevisedform7January2002;accepted9January2002AbstractStablecolloidalsolutionsofgoldnanoparticlessurface-derivatizedwithathiolmonolayerhavebeenpreparedusingtwo-phase
(water–nitrob

3、enzene)reductionofAuCl4bysodiumborohydrideinthepresenceof2-mercapto-3-n-octylthiophene(MOT).Thiskindofsurface-functionalizedgoldnanoparticlescanbeeasilyincorporatedintothepoly(3-octylthiophene)(POT)filmsonelec-trodeintheprocessofelectrochemicalpolymerizationleadingtoPOT–goldnanop

4、article(POT–Au)compositefilms.Scanningprobemicroscopy(SPM)andX-rayphotoelectricspectroscopy(XPS)havebeenemployedtocharacterizethesurface-derivatizedparticlesandtheresultingfilms.Themethodofincorporationofnanoparticlesintopolymerbysurface-derivatizationandinsitupolymerizationcanals

5、obeemployedtopreparemanyotherpolymer–nanoparticlecompostiematerials.Ó2002PublishedbyElsevierScienceB.V.Keywords:Goldnanoparticle;Surface-functionalization;Electrochemicalpolymerization1.Introductiontractedparticularinterest.Andsomepublicationsaboutthefabricationsofnanostructures

6、withtheseprotectedConsiderableinteresthasbeenshowninrecentyearsparticleshaveappeared[9–12].inthestudyofsynthesisandpropertiesofnanometer-Inourpreviouswork[13],wehaveshownthatthe2-scaledmetalcolloidsandsemiconductorsduetotheirmercapto-3-n-octylthiophene(MOT)canformself-as-potenti

7、alapplicationsinsensors,nanoelectronicdevices,sembledmonolayersonbulkgoldsubstrate,andthebiochemicaltaggingreagents,andcatalysts[1].More-defectsofthemonolayeranditsstabilityhavebeenas-over,themodificationofsolidsurfaceswithcolloidalsessedbyelectrochemicaltechniques.Hereinwewillgo

8、ldnanoparticleshasreceivedmuchattention.Forfocu