简介：Anewmethodofpreparationofirradiativematerialbyusingrareearthasluminophorandinorganicpowderasbasenucleuswaspresented.Rareearthwasusedtomakecolloid,whichwasmixedwithbasenucleussolution,wheredeposition/attachmentreactiontookplaceandrareearthwasadheredontothesurfaceofbasenucleus,henceyieldinganewrareearthencapsulatedirradiativematerial.Fluorescentspectrumanalysisshowsthatthismaterialpossessestwoemissionpeaks,onewithin400～500nmandtheotherwithin580～700nm,reflectingtheluminouscharacteristicsoforiginalrareearthmaterial.
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