Controlled synthesis, upconversion luminescence and photoelectric effect of Na1.23Ca0.12Y1.28Er0.24F6 nanophosphors

被引：6
作者：
Bu, Y. Y. [1 ,2 ]
Zheng, J. [1 ,2 ]
He, W. [1 ,2 ]
Yan, X. H. [1 ,2 ]
机构：
[1] Nanjing Univ Posts & Telecommun, Coll Sci, Nanjing 210023, Jiangsu, Peoples R China
[2] Nanjing Univ Posts & Telecommun, Coll Elect Sci & Engn, Nanjing 210023, Jiangsu, Peoples R China
来源：
MATERIALS RESEARCH INNOVATIONS | 2014年 / 18卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Hydrothermal; Microtubes; Nanosphere; Upconversion; Photoelectric; FLUORIDE; SIZE; NAYF4-YB; ER; TRANSITION; IONS; ER3+;
D O I：
10.1179/1433075X13Y.0000000171
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Monodispersed Na1.23Ca0.12Y1.28Er0.24F6 hexagonal microtubes and cubic nanospheres were synthesised by a facile hydrothermal route. Time dependent morphology evolution shows that the resulting microtubes are synthesised by a dissolution-reconstruction formation mechanism. The Na1.23Ca0.12Y1.28Er0.24F6 microtubes and nanospheres present tunable multiple colour upconversion luminescence under a 980 nm semiconductor laser excitation. Simultaneously, the photoelectric effect was observed in the Na1.23Ca0.12Y1.28Er0.24F6 microtubes and nanospheres under 980 nm excitation. Simultaneous control of multiple colour luminescence and photoelectric effect was achieved by modifying morphological shapes and sizes of Na1.23Ca0.12Y1.28Er0.24F6 phosphors.
引用
收藏
页码：436 / 442
页数：7
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