TiO2可见光催化的研究进展

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:2008207225:(07K164D0):(1985-),,,,,:0755-26731648,E-mail:[e-mail]21,2,2,1(1.,410083;2.,518055):TiO2,H2O2,TiO2,TiO2:TiO2;;:O643:A:1671-3206(2008)10-1221-05ResearchprogressinTiO2photocatalysisundervisiblelightirradiationFANXiao2jiang1,TANGJian2jun2,ZOUYuan2,ZHOUKang2gen1(1.SchoolofMetallurgicalScienceandEngineering,CentralSouthUniversity,Changsha410083,China;2.SchoolofConstructionandEnvironmentalEngineering,ShenzhenPolytechnic,Shenzhen518055,China)Abstract:ThelatestresearchprogressinTiO2photocatalysisundervisiblelightirradiationisreviewedathomeandabroad,suchasdyephotodecompositionanddyesensitizing,semiconductorcoupling,metaldo2ping,nonmetaldopingandH2O2coupling.Thecorrespondingmechanismsareanalyzed,theprospectandproblemsofTiO2photocatalysisundervisiblelightirradiationisproposed.Keywords:nano2titaniumdioxide;visible2lightphotocatalytic;dopingFujishimaHonda[1]TiO2H2O2,,TiO2TiO2,TiO2380nm,(OH)400nm5%,(400750nm)40%,,,TiO2,,H2O2TiO21TiO2,TiO22TiO2TiO2,,TiO2,,,,,,,TiO2,©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[2],TiO2,,,TiO2,,,TiO2[3]TiO27(A07),,,A07,,TiO2,,2TiO2,TiO2,WO32TiO2,CdS2TiO2,InVO42TiO2,Bi2S32TiO2,SnO22TiO2D.Robert[4]Bi2S32TiO2CdS2TiO2,Bi2S32TiO2CdS2TiO2800nm600nm,;Wu[5]550nmCdS2TiO2;Fu[6]2TiO2540nmInVO42TiO2,O2-OH;Sotiropoulos[7]WO32TiO2;Bhosale[8](SnO2,TiO2),,CdS,Bi2S3,InVO4,WO3,SnO2TiO2,,,CdS,Bi2S3,InVO4,WO3,SnO23TiO2,TiO2TiO2,TiO2,;,TiO2,,TiO2,TiO2[9]Egerton[10]PtTiO2,Pt/Rutile,PtTiO2,Seery[11]AgTiO2,AgAg/TiO2,OHGe[12]22.07eVAg/InVO42TiO2[13]2AuTiO2,AuTiO2:Au3+Ti4+TiO2Au,TiO2480650nm,,Choi[14]19(V3+,V4+,Cr3+,Mn3+,Fe3+,Co3+,Ni2+,Zn2+,Ga3+,Zr4+,Nb5+,Mo5+,Ru3+,Rh3+,Sn4+,Sb5+,Ta5+,Re5+Os3+)Li+,Mg2+,Al3+3TiO2:0.1%0.5%Fe3+,Mo5+,Ru3+,Os3+,Re5+,V4+,Rh3+TiO2,Co3+Al3+TiO2Asai[15]V,Cr,Mn,Fe,Co,Ni63dTiO2,dTiO2,V,MnFe,TiO2,,Co2.5eV,Lu[16]V5+,Fe3+TiO2TiO2TiO2,,,TiO2,,242001Asahi[17]ScienceNTiO2,2221©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[17][18219],TiO2N,TiO2NAsahi[17],(TiO2),,,;Ihara[18],,,N,[19]TiO2,NTiO2TiO2N,,Asahi,S,N,S,TiO2O,S;,COhono[20221],SCTiO2,CNOTiO2,SS4+Ti4+5TiO2H2O2TiO2,,TiO2(H2O2)TiO2TiO2H2O2400nm,Zhao[22],EPR,TiO2OH,H2O2TiO2,Ti4+(TiOOH);(TiOOH)(TiOOH),TiO2e-cbTiOOH;TiOOHTiOHO2,TiO2H2O2OHTiO2,Nosaka[23],H2O2TiO2,TiO2OH1,H2O2TiO2,22peroxide,TiO2on2top2peroxide1H2O2TiO2Fig.1SchematicdiagramofH2O2adsorptionstructureonthesurfaceofanataseorrutileTiO22,TiO2OH,TiO2O2-Matsumura[24],H2O2,TiO2TiO2Matsumura(3),2,Ikeda[25],TiO2H2O2,,TiO2,TiO2H2O2TiO2;H2O2OOOH23H2O2Fig.2PlausiblenprocessinthephotocatalyticreductionofH2O2startingfromthreedifferentadsorptionstructures3221©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,;,,TiO2;TiO2;TiO2H2O2,,:[1]FujishimaA,HondaK.Electronchemicalphotolysisofwa2teratsemiconductorelectrode[J].Nature,1972,238(358):37238.[2]WuTX,LiuGM,ZhaoJC,etal.Photoassisteddegrada2tionofdyepollutantsandself2photosensitizedoxidativetransformationofrhodaminBundervisiblelightirradia2tioninaqueousTiO2dispersions[J].PhysChemB,1998,102(30):584525851.[3],,.TiO2[J].,2005,26(1):39243.[4]BessekhouadY,RobertD,WeberJV.Bi2S3/TiO2andCdS/TiO2heterojunctionsasanavailableconfigurationforphotocatalyticdegradationoforganicpollutant[J].Photo2chemistryandPhotobiologyA:Chemistry,2004,163(3):5692580.[5]WuL,JimmyC,FuXZ.Characterizationandphotocata2lyticmechanismofnanosizedCdScoupledTiO2nanocrys2talsundervisiblelightirradiation[J].MolecularCatalysisA:Chemical,2006,244(1/2):25232.[6]WangXC,LiDZ,FuXZ,etal.InVO42sensitizedTiO2photocatalystsforefficientairpurificationwithvisiblelight[J].PhotochemistryandPhotobiologyA:Chemistry,2008,193(2/3):2132221.[7]ValovaE,PouliosI,SotiropoulosS,etal.Enhancedphoto2catalyticactivityofelectrosynthesisedtungstentrioxide2ti2taniumdioxidebi2layercoatingsunderultravioletandvisi2blelight[J].IlluminationElectrochemistryCommunica2tions,2007,9(3):3652370.[8]BrugerA,Neumann2SpallartM,BhosaleCH,etal.Prop2ertiesofspraydepositedtitaniumdioxidethinfilmsandtheirapplicationinphotoelectrocatalysis[J].SolarEnergyMaterials&SolarCells,2008,92(3):2832290.[9],,.[M].:,2004:81282.[10]EgertonTA,MattinsonJA.TheinfluenceofplatinumonUVandvisiblephotocatalysisbyrutileanddegussaP25[J].PhotochemistryandPhotobiologyA:Chemistry,2008,194(2/3):2832289.[11]SeeryMK,GeorgeR,FlorisP,etal.Silverdopedtitaniumdioxidenanomaterialsforenhancedvisiblelightphotoca2talysis[J].PhotochemistryandPhotobiologyA:Chemis2try,2007,189(2/3):2582263.[12]GeL,XuMX,FangHB.PhotocatalyticdegradationofmethylorangeandformaldehydebyAg/InVO42TiO2thinfilmsundervisiblelightirradiation[J].MolecularCataly2sisA:Chemical,2006,258(1/2):68276.[13],,,.AuTiO2NPE210[J].,2006,22(8):9532957.[14]ChoiW,TerminA,Hoffman