Effects of charge compensation on red emission in CaYAl3OT7：Eu3＋ phosphor-中国期刊网

摘要 MonovalentionsLi+,Na+,andK+,aschargecompensators,areintroducedintoCaYAl3O7:M(M=Eu3+,Ce3+)inthisletter.TheircrystalphasesandphotoluminescencepropertiesofdifferentalkalimetalionsdopedinCaYAl3O7areinvestigated.Inaddition,theinfluenceofchargecompensationionLi+whichhasamoreobviousroleinimprovingluminescenceintensityonCaYAl3O7:Eu3+phosphorisintentionallydiscussedindetailandapossiblemechanismofchargecompensationisgiven.Theenhancementofredemissioncenteredat618nmbelongingtoEu3+isachievedbyaddingalkalimetalionLi+under393-nmexcitation.

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Effects of charge compensation on red emission in CaYAl3OT7：Eu3＋ phosphor

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Effects of charge compensation on red emission in CaYAl3OT7：Eu3＋ phosphor

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