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溶剂热合成纳米球状La2O2S:Eu^3+荧光粉
引用本文:邝金勇,刘应亮,张静娴,袁定胜.溶剂热合成纳米球状La2O2S:Eu^3+荧光粉[J].高等学校化学学报,2005,26(5):822-824,F012.
作者姓名:邝金勇  刘应亮  张静娴  袁定胜
作者单位:暨南大学化学系 广州510632 (邝金勇,刘应亮,张静娴),暨南大学化学系 广州510632(袁定胜)
基金项目:国家自然科学基金(批准号:20171018,50472077),广东省自然科学科学基金(批准号:013201,36706)资助.
摘    要:Nano-sphere-like Eu^3 activated lanthanum oxysulfide phosphor was first synthesized directly by solvothermal method. The phosphor was characterized by XRD, TEM and PL. Photoluminescence spectra indicate that this phosphor showed three typical transitions of Eu^3 (^5Do→^7F^1,^5D0→^7F2,^5D0→^7F4). In comparison with those prepared by high temperature solid state method, photoluminescence spectrum of Eu^3 (^5D0→^7F2)-doped nano-La2O2S:Eu^3 phosphor became broader. And the reaction mechanism was also mentioned in this paper.

关 键 词:溶剂热合成  硫氧化镧  铕离子  反应机理
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