简介：TwoEu(Ⅲ)complexes,(tris-4,4,4-trifluoro-1-phenyl-1,3-butanedione)(1,10-phenanthroline)europium(Ⅲ)[Eu(tpb-H)3(phen)]and(tris-4,4,4-trifluoro-1-phenyl-1,3-butanedione)(2,2'-bipyridine)europium(Ⅲ)[Eu(tpb-H)3(bipy)]weresynthesizedfrombi-dentaloxygenandnitrogenligands.LuminescentpolymerswerefabricatedbyincorporatingdeuteratedEu(Ⅲ)complexesinpoly(methylmethacrylate)(PMMA)matrixes.LuminescentPMMAcontainingEu(tpb-D)3(phen)exhibitedrelativelyhigherquantumyield[Φ,(48.7±4)%],fasterradiationrate(kr,7.49×102s-1),sharperredemission[fullwidthathalfmaximum(FWHM),6.3nm]andlargerstimulatedemissioncross-section(SEC,1.29×10-20cm2).ThevalueofSECisthesameorderasthatofNd-glasslaserforpracticaluse.Additionally,thethermalpropertiesofEu(tpb-H)3(phen),Eu(tpb-H)3(bipy),Eu(tpb-D)3(phen)-PMMA,andEu(tpb-H)3(bipy)PMMAwerestudied,indicatingthattheEu(Ⅲ)complexesandluminescentPMMAcanbeusedforalong-termperiodinhightemperatureenvironment.PreparedluminescentpolymersincludingEu(tpb-D)3(phen)havepromisingapplicationsinnovelorganicEu(Ⅲ)devices,suchasthehigh-powerlasermaterialsandopticalfibers.

简介：Anon-linearoptical(NLO)materialwassynthesizedbymeansofasimplemethod.Thismaterialcanbeappliedinelectro-optical(EO)devices,suchasEOswitchesandmodulators.TheDisperseRed1(DR1)wasdopedinpolymethyl-methacrylate-co-glycidylmethacrylate(PMMA-co-GMA)astheNLOactivechromophore.Thesynthesisprocessandmaterialstructurewereexpressed.Thethermalproperties,surfacemorphologyandopticalcharacteristicsofthematerialwereinvestigatedbymeansofdifferentialscanningcalorimetry(DSC),thermogravimetricanalysis(TGA),atomicforcemicroscopy(AFM),andm-linestechnique.Usingthereflectiontechnique,thevalueoftheelectro-opticalcoefficientγ33wasmeasuredas11pm/Vatawavelengthof1310nm.AnEOswitchwithnanosecondresponsebasedonthismaterialhasbeenfabricated.