Luminescent properties of Mn4+-doped LaTiSbO6 deep-red-emitting phosphor for plant growth LEDs

被引：24

作者：

Lu, Zuizhi ^{[1
]}

Meng, Yingbin ^{[1
]}

Fan, Hua ^{[1
]}

Lu, Jiangying ^{[1
]}

Zhong, Xiaoying ^{[1
]}

Ou, Yingjun ^{[1
]}

Mo, Hairong ^{[1
]}

Zhou, Liya ^{[1
]}

机构：

[1] Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2021年 / 236卷 / 236期

基金：

中国国家自然科学基金;

关键词：

Mn4+-doped; Red phosphors; LED; Plant growth; PHOTOLUMINESCENCE PROPERTIES;

D O I：

10.1016/j.jlumin.2021.118100

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Mn4+-doped double-perovskite LaTiSbO6 (LTS) phosphors were fabricated via traditional high-temperature sintering reaction. The crystal structure, composition, and luminescent properties of the LTS:Mn4+ phosphors were studied. The PLE spectrum presents two broad bands that are centered at 356 and 475 nm, and they match the UV and blue chips. A broad emission band that is centered at 685 nm is presented in the PL spectrum. The quantum efficiency is 21.3%. A red light LED device was also fabricated with LTS:0.007Mn4+ phosphor and an InGaN chip (465 nm). The CCT, CRI, and luminous efficiency of the LED are 4215 K, 73.4, and 62.1 Im/W, respectively. The LED spectrum meets the needs of plant growth in blue and red light. Therefore, the LED fabricated by LTS:Mn4+ phosphor is a potential light source for plant growth.

引用

页数：7

共 37 条

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