Crystal structure characterization and up-conversion luminescent properties of BaIn2O4 phosphor

被引：4

作者：

Chen, Shusen ^{[1
]}

Wang, Wenjiang ^{[1
]}

Wang, Keli ^{[1
]}

Guan, Ming ^{[1
]}

Molokeev, Maxim S. ^{[2
,3
]}

Mei, Lefu ^{[1
]}

Huang, Zhaohui ^{[1
]}

机构：

[1] China Univ Geosci, Sch Mat Sci & Technol, Beijing Key Lab Mat Utilizat Nonmetall Minerals &, Natl Lab Mineral Mat, Beijing 100083, Peoples R China

[2] SB RAS, Lab Crystal Phys, Kirensky Inst Phys, Krasnoyarsk 660036, Russia

[3] Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia

来源：

JOURNAL OF LUMINESCENCE | 2017年 / 192卷

关键词：

Crystal structure; Up-conversion; BaIn2O4; GREEN; DIFFRACTION; MECHANISMS; EMISSION;

D O I：

10.1016/j.jlumin.2017.06.034

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Er3+ / Yb3+ doped BaIn2O4 up-conversion (UC) phosphors are synthesized and their UC luminescent properties are characterized. BaIn2O4 has P21/c space group but Rietveld refinement suggests it has twice smaller cell parameter (a = 10.3975 A, b = 5.8295 A, c = 14.4457 A) and volume than previous reported structure. Refinement also reveals Er3+/Yb3+ replaces In3+ ions in lattice because of the existence of InO6 octahedra. In these BaIn2O4 phosphors, co-doping with Yb3+ ions changes the predominant UC emission from green (H-2(11/2), S-4(3/2) -> I-4(15/2) of Er3+) to red (about 665 nm, F-4(9/2) -> I-4(15/2) of Er3+). By controlling of Er3+/Yb3+ concentrations, the BaIn2O4 phosphors have the potential of generating various UC spectra and color tunability. The pumping powers study shows two-photon process in these phosphors.

引用

页码：218 / 223

页数：6

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