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1、ViewArticleOnline/JournalHomepage/TableofContentsforthisissueCrystEngCommDynamicArticleLinksCitethis:CrystEngComm,2012,14,3989–3999www.rsc.org/crystengcommPAPERFabricationofAg/TiO2nanoheterostructureswithvisiblelightphotocatalyticfunctionviaasolvothermalapproachabca
2、cChunyanSu,*LeiLiu,MingyiZhang,YueZhangandChangluShao*Received5thFebruary2012,Accepted20thMarch2012DOI:10.1039/c2ce25161bInthiswork,Ag/TiO2nanoheterostructureswithAgnanocrystalswell-grownonTiO2-basednanofibermatshavebeenachievedbymeansofanovelandstraighforwardprotoc
3、olcombininganelectrospinningtechniqueandasolvothermalprocess.TheexperimentalresultsindicatedthatthemorphologyandsizeofthesecondaryAgnanostructurescouldbetailoredbyalteringtheexperimentalparameters,suchasthereactiontimeandsolventaswellasthereducingagentinthesolvother
4、maltreatment.TheinvestigationofphotocatalyticabilityshowedthattheAg/TiO2nanoheterostructurespossessanexcellentphotocatalyticactivitysuperiortothepureTiO2nanofiberforthedegradationofRhodamineB(RB)dyedrivenbyvisiblelight.TheresultsindicatedthatAgmightberesponsiblefort
5、hevisiblelightinducedphotocatalyticdegradationbyimprovingthephotogeneratedelectronsandholesseparationaswellaschargemigration,allowingboththeelectronsandholestopartakeintheoverallphotocatalyticreaction.Inaddition,Aghasagoodlightabsorptioncapability,extendingtherespon
6、seofTiO2tovisiblelight.Finally,thecorrespondingpossiblemechanismrelatedtothephotocatalyticperformanceoftheAg/TiO2nanoheterostructureswasdiscussedindetail.Additionally,theseparationandrecoveryprocessoftheAg/TiO2nanoheterostructuresmightbeeasilyacheivedbysedimentation
7、withoutadecreaseinthephotocatalyticabilitybecauseoftheirparticularone-dimensionalnanostructurednature.6Publishedon20March2012.Downloadedon25/09/201408:15:09.IntroductionBi2S3,SnO2/CdScompositethinfilmssynthesizedbychemical7depositionprocesseshavealsobeenreported.Ina
8、ddition,Onemajorgoalofdesigningandfabricatingsemiconductor-hierarchicalZnOnanostructureshavebeenfabricatedonIn2O3basedheterosturcturesisto
