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1、HostLatticesPreparationRouteMorphologyandsizePEPAdditionBaWO4:Pr3+HydrothermalmethodEgg-shape,olive-like,quasi-spheremicro-crystals.Size:severalmicro-meter(m)642nmCTAB,PVA,EDTA-2Na,citricacidCaWO4:Pr3+Typicalhigh-temperaturesolid-statemethodEnlargedcrystalsize:20-40mwithadditionofH3BO3617nm648n
2、m603nmAdditionofH3BO3asassistantfluxCaMoO4:Pr3+,Pr4+,CaWO4:Pr3+,Pr4+High-temperaturesolid-statemethodPowderphosphors,651nmPr3+,Pr4+co-dopingBaMoO4:Pr3+aconvenientsolid-statemethod.Astrongredemission643nm3P0→3F2transitionofPr3+addinganalkalichlorideaschargecompensationreagentobviouslyimproveemis
3、sionintensityLn1.9Pr0.1(WO4)3(Ln=GdorLa)Sol-gelapproachPowderimmobilizedinsilicaxero-gel,phosphorgalsses648nmEDTA,PEG400,TMOSPr2(MoO4)3StandardceramicrouteCrystal649nmCrystalstructurerefinementCa9Pr(PO4)7Solid-statereactionPowderPreheatedat400℃for6h650nmCalcinatedabout1150℃K2YZr(PO4)3:Pr3+,Mn2+
4、Solid-statereactionSingle-phasepowder631nm980℃for8hinCreducingatmLaPO4:Gd3+,Pr3+undervacuum-ultraviolet(vuv)lightexcitation(La0.65Gd0.35)0.95Pr0.05PO4afilteredHglampPr3+-sensitizedLaPO4:Gd3+isacandidateofuv-Bphosphorsforxenon-excimerdischargevuvlamps.ZnS:Pr3+,Mn2+Complementaryblendingandco-dopi
5、ng(solid-state)PowderKClfluxCIEcoordinates(0.36,0.32)Brightness:17.9cd/m2Tubefurnace800-1200℃for1hinanN2atmosphereCaS:Pr3+Conventionalsolid-statereactionPowder,activatedcharcoalasreducingagentThermoluminescenceglowcurvesanalysisCaS:Pr3+chemicalco-precipitationrouteNaCl,KClandNH4Clasflux.Powder,
6、andpost-annealingprocess.Pseudo-sphericalshape496nm900℃for1hdurationSrS:Pr3+SrSandPrFmixedwithNaclasfluxAnnealinginvacuumThehighestluminescenceThen,byroastingthemixinadrynitrogenatmospherewithanadditionofsulfurvaporPrconcentration,thetemperature,andthevacuum-annealingtimewereoptimizedSrTiO3:Pr3
7、+Sol-gelmethodDifferentialthermalanalysis(DTA)Ultra-fineandnono-crystallinepowderSize:82nm617nmOptimalCalcinationtemperature:1300℃CaTiO3:Pr,AlSol-gelmethodusingParticlemorphology,616nm900℃for5hethanolassolventandcitricacidasacheat
