Mn4+ doped Mg2ScSbO6 deep-red-emitting double-perovskite phosphors for plant-cultivation

被引：16

作者：

Liu, Xinhua ^{[1
]}

Huang, Qiying ^{[1
]}

Cai, Peiqing ^{[1
]}

Zhao, Hong ^{[1
]}

Hu, Zhijing ^{[1
]}

Lu, Lingyi ^{[1
]}

Zhu, Zihang ^{[1
]}

Pu, Xipeng ^{[2
]}

Wang, Xiangfu ^{[3
,4
]}

Ai, Qi ^{[1
]}

Wan, Mingjie ^{[1
]}

Si, Junjie ^{[1
]}

Yao, Xin ^{[1
]}

Liu, Zugang ^{[1
]}

机构：

[1] China Jiliang Univ, Coll Opt & Elect Technol, Hangzhou 310018, Zhejiang, Peoples R China

[2] Liaocheng Univ, Sch Mat Sci & Engn, Liaocheng 252000, Shandong, Peoples R China

[3] Nanjing Univ Posts & Telecommun, Coll Elect & Opt Engn, Nanjing 210023, Peoples R China

[4] Nanjing Univ Posts & Telecommun, Coll Microelect, Nanjing 210023, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2023年 / 256卷

基金：

中国国家自然科学基金;

关键词：

Transition metal ions; Double perovskite; Photoluminescence; PHOTOLUMINESCENCE PROPERTIES; ENERGY-TRANSFER; GROWTH; LUMINESCENCE; EMISSION; LEDS; CR3+; BAND;

D O I：

10.1016/j.jlumin.2022.119624

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Non-rare earth Mn4+-doped oxide matrix phosphors are of increasing interest in the field of light-emitting diodes due to their good spectral properties. Herein, Mn4+-doped Mg2ScSbO6 phosphor was successfully synthesized via the conventional solid-state reaction method. The crystal structure of the sample was determined using a variety of characterization methods such as X-ray powder diffraction and Rietveld refinement analysis. The phosphor has a broadband absorption from near ultraviolet to blue light and emits deep red (similar to 682 nm) light of (2)Eg -> (4)A(2g) transition. The photoluminescence intensity and decay lifetime of the Mn4+-doped Mg2ScSbO6 are observed to be strongly dependent on temperature, and the results of quenching analysis were reported. The optimal Mg2ScSbO6:Mn4+ phosphor has a high color purity of 99.4% with an internal quantum efficiency value of 61.93% modulated by charge compensation of Li+ ions. The photoluminescence peak position of the phosphor can be well matched with the absorption peak of red and far-red phytochrome. Therefore, the deep-red-emitting phosphors have tremendous application merits and potential markets in plant growth.

引用

页数：9

共 47 条

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