稀土元素发光特性及其应用

:2001-08-30:(OOKJ-095):(1978-),,,.3.,3,,(,100037):,,.:;;;:O614.33:A:1008-1011(2001)04-0055-05LuminescenceCharacteristicandTheirUtilityofRare-earthElementsSUWen-bin,GUXue-xin,ZOUHong,ZHURuo-hua(DepartmentofChemistry,CapitalNormalUniversity,Beijing100037)Abstract:Rare-earthelementsandtheircompoundshavebecomeaveryimportantspecialmaterialinmodernhigh-technology.Thisarticlegivesabriefintroductionfortheircharacteristicofluminescenceandtheirutili2ty.Keywords:rare-earth;luminescencematerial;lastermaterial;fluorescencematerial,,,,21.,,.,.B,(Sc)(r),17.(La)(Ce)(Pr)(Nd)(Pm)(Sm)(Eu)(Gd)(Tb)(Dy)(Ho)(Er)(Tm)(Yb)(Lu).,,4f4f7,4f().,.,6200(),4800,80%,.,.,,,..1.,La3+Lu3+4f74f,,f.,.,4f124Vol.12No.4200112CHEMICALRESEARCHDec.2001©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[3]:LaCePrNdPmSmEuGdTbDyHoErTmYbLuLn3+4f,,..,Stokes,stokes1.Dy-(PTA)3Stokes278nm.Stokes,Stokes28nm,,.,,.(1-2),..1Stokes(nm)(nm)Stokes(nm)Eu-(-NTA)3340613273Sm-(-NTA)3340600260Tb-(PTA)3295490/543195/248Dy-(PTA)3295573278-NTA:-:PTA:.(101000s),.,(110ns).(2[1].)2(ns)4.13.0C3.5-4.514.0105-10622.1,,,,,...[2]Y2O2S:Eu,6-8m.,Eu.562001©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(Y3Al5O12:Tb)(Y3(Al,Ga)5O12:Tb),Tb3+Y2O2S:Tb,DyGd2O2S:Tb,Dy..,.,,.[3],..1160,.,.,,2070,[3]..,,,,,.(Sm)(Eu)(Tb),,,,,..[4],,,.,,,.,,,.400480nm600680nm.,,.[5-6]Eu()-TTA-TOPO..[7],Mn2+Mn3+,,.[8].147Pr(),.,,[3].2.2[7],1960,,1964.320,290,90%.,..[8].,,,,0.2-0.3,,,.(Nd-YAG,),.1.06,3,,.,(Y3Al5O12Nd)(,),[9].,Nd3+Er3+Tm3+,,.,.[8](105)(1012).,.2.942.91.21,,,,4:57©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[3](ZrF4-BaF2-LaF3-AlF3-NaF),.(EDFA),30-40(10000),(100).2.3(Ca2+Mg2+),,,,.,.,,,,.3.,,,,,Ca:,Ca.,.[10],.(),.,.[11],3,2.510-8M..,,(Tb3+Eu3+)[12];DNA()[9].1979SoiniHemmia[1],1983SoiniKojola,,(TRFIA),,,,,.(Tb3+Eu3+Sm3+Dy3+),.[13]-.582001©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[3],4f13(Ce3+Yb3+)4fn(n=113)1639,192177,,.,.,.,N,-N,[14]N-O8-,.,.,,!:[1],,,.[M].,1996.[2].[J].,2000,21(1):53-57.[3].-[M].:;:.2000.[4],.[J].,1999.16(2):31-32.[5],,.[J].2000,21(6):64-66.[6].[J].,2000,21(5):55-59.[7].[M].,1999:74.[8].-[M].,1999.[9].[M].,1995.6.[10],,.[M].,,2000.1.[11],,.[J].,2000,28(3):293.[12]HirshyLM,etal.Anal.Chem.Acta.,147,311(1983).[13],,,.[J].,1997,12(1):1-6.[14],,,.-8--[J].,1998,16(1):84-87.4:59©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.