Synthesis and photoluminescence properties of novel Sr3LiSbO6:Mn4+ red phosphor for indoor plant growth

被引：40

作者：

Shi, Lei ^{[1
]}

Han, Ya-jie ^{[1
]}

Zhao, Ying ^{[1
]}

Li, Mao ^{[1
]}

Geng, Xiao-yu ^{[1
]}

Zhang, Zhi-wei ^{[1
]}

Wang, Li-jiang ^{[1
]}

机构：

[1] Hebei Normal Univ Sci & Technol, Chem Engn Coll, Qinhuangdao 066600, Hebei, Peoples R China

来源：

OPTICAL MATERIALS | 2019年 / 89卷

关键词：

Antimonate; Phosphors; Phytochrome; Plant growth; LEDs; LIGHT-EMITTING-DIODES; SITE OCCUPANCY; THERMAL-STABILITY; MN4+; LUMINESCENCE; LEDS; EFFICIENCY; EMISSION;

D O I：

10.1016/j.optmat.2018.12.047

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Far red-emitting Mn4+ activated oxide phosphors based on the substitution of Mn4+ for Sb5+ in the lattice of Sr3LiSbO6 (SLSO) was prepared via solid state reaction process. The phases and micrographs of powders were analyzed by X-ray diffraction (XRD) and field emission scanning electron microscopy (FE-SEM). The luminescent properties of the samples with varying Mn4+ concentrations were investigated, and the result indicates that prepared phosphor SLSO:Mn4+ can be excited by (UV) light and exhibit intense far red emission at 698 nm. This emission band is well matched with the absorption band of phytochrome P-FR. The mechanism of quenching concentration has been investigated. The thermal stability and thermal quenching concentration of SLSO:Mn4+ were discussed. In addition, the internal quantum efficiency (IQE) has been tested and calculated. All the above results suggest that the SLSO:Mn4+ phosphors have great potential applications in plant growth n-UV LEDs.

引用

页码：609 / 614

页数：6

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