共沉淀法制备Y_(2)SiO_(5):Pr^(3+)上转换纳米荧光粉  

Preparation of Y_(2)SiO_(5):Pr^(3+) Upconversion Nano Phosphors by Co-precipitation

作　　者：陈林 庞才良 陈丽芳 宋志鹏 CHEN Lin;PANG Cai-liang;CHEN Li-fang;SONG Zhi-peng(Key laboratory of Industrial Ceramics of Jiangxi Province,Pingxiang University,Pingxiang Jiangxi 337000;School of Materials and Chemical Engineering,Pingxiang Jiangxi 337000,China)

机构地区：[1]江西省工业陶瓷重点实验室 [2]萍乡学院材料与化学工程学院,江西萍乡337000

出　　处：《萍乡学院学报》2022年第3期46-49,共4页Journal of Pingxiang University

基　　金：江西省教育厅科学技术研究项目(GJJ191369)。

摘　　要：采用共沉淀法制备了Y_(2)SiO_(5):Pr^(3+)上转换纳米荧光粉,通过XRD、FE-SEM和FL对样品的物相、形貌和发光性能进行了分析表征,结果表明:所得样品为Y_(2)SiO_(5):Pr^(3+)纯相,平均粒径为50 nm左右,可将450~550nm的可见光转换成260~400nm的近紫外光;最佳煅烧温度为1100℃,SiO_(2)的最佳加入量为理论量的1.2倍。Y_(2)SiO_(5):Pr^(3+)upconversion nano phosphors were prepared by co-precipitation method.The phase,morphology and luminescence properties of the samples were characterized by XRD,FE-SEM and FL.The results showed that the obtained samples were pure Y_(2)SiO_(5):Pr^(3+)phase,the average particle size is about 50 nm,and the visible light of 450~550nm can be converted into near-ultraviolet light of 260~400nm;The optimal calcination temperature is 1100℃,and the optimal addition amount of SiO_(2) is 1.2 times the theoretical amount.

关 键 词：上转换发光 Y_(2)SiO_(5):Pr^(3+) 纳米 共沉淀法 

分 类 号：TB321[一般工业技术—材料科学与工程]