Anomalous photoluminescence from a K2LiInF6:Mn4+phosphor

被引：24

作者：

Zhu, Yiwen ^{[1
]}

Huang, Lin ^{[2
]}

Brik, Mikhail G. ^{[3
,4
,5
,6
]}

Li, Yinyue ^{[1
]}

Zhong, Jiasong ^{[1
]}

Wang, Jing ^{[2
]}

Wong, Ka-Leung ^{[7
]}

机构：

[1] Hangzhou Dianzi Univ, Coll Mat Sc Environm Engn, Hangzhou 310018, Peoples R China

[2] Sun Yat Sen Univ, Sch Chem, Sch Mat Sci & Engn, 135 Xingang Xi Rd, Guangzhou 510275, Peoples R China

[3] Chongqing Univ Posts & Telecommun, Coll Sci, Chongqing 400065, Peoples R China

[4] Chongqing Univ Posts & Telecommun, CQUPT BUL Innovat Inst, Chongqing 400065, Peoples R China

[5] Univ Tartu, Inst Phys, W Ostwald Str 1, EE-50411 Tartu, Estonia

[6] Jan Dlugosz Univ, Inst Phys, Armii Krajowej 13-15, PL-42200 Czestochawa, Poland

[7] Hong Kong Baptist Univ, Dept Chem, Kowloon Tong, Hong Kong, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY C | 2020年 / 8卷 / 24期

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

EFFICIENT RED PHOSPHOR; SILICATE GLASS; BATIF6MN4+; MN4+; EMISSION; ROUTE;

D O I：

10.1039/d0tc01799j

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel red emitting fluoride phosphor K2LiInF6:Mn(4+)was synthesized by a cation exchange route. An increased blue shift in its emission spectrum was observed. This anomalous phenomenon can be attributed to the nephelauxetic effect and different interionic distances between the cations and ligands. Dependence of the emission intensity of Mn(4+)on its concentration was investigated to optimize the luminescence properties of the prepared phosphors and the structure and morphology of the phosphor are studied in detail. The exchange charge model of the crystal field was used to calculate the crystal field parameters. The temperature-dependent emission spectra were measured to ascertain the thermal stability and the chromaticity shift of KLIFM.

引用

页码：8085 / 8090

页数：6

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