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Synthesis and Luminescent Properties of Environmentally Friendly Cs3MnBr5 Materials
增强出版- Chinese Journal of Luminescence Vol. 43, Issue 8, Pages: 1198-1206(2022)
- 作者机构：
1.河北大学 物理科学与技术学院， 河北 保定 071002
- 作者简介：
- 基金信息：National Natural Science Foundation of China(51802069);The Central Project Guide local science and technology for development(216Z104G);Advanced Talents Incubation Program of the Hebei University(521000981236);Hebei University Laboratory Open Project(sy202036;sy202038)
DOI：10.37188/CJL.20220132
CLC：
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陈一凡,李江涛,余启辉等.环境友好型Cs3MnBr5材料的制备及发光性能[J].发光学报,2022,43(08):1198-1206.
CHEN Yi-fan,LI Jiang-tao,YU Qi-hui,et al.Synthesis and Luminescent Properties of Environmentally Friendly Cs3MnBr5 Materials[J].Chinese Journal of Luminescence,2022,43(08):1198-1206.
陈一凡,李江涛,余启辉等.环境友好型Cs3MnBr5材料的制备及发光性能[J].发光学报,2022,43(08):1198-1206. DOI： 10.37188/CJL.20220132.
CHEN Yi-fan,LI Jiang-tao,YU Qi-hui,et al.Synthesis and Luminescent Properties of Environmentally Friendly Cs3MnBr5 Materials[J].Chinese Journal of Luminescence,2022,43(08):1198-1206. DOI： 10.37188/CJL.20220132.
摘要
无机铅卤钙钛矿CsPb,X,3,（,X,=Cl，Br，I）由于具有荧光量子产率高、带隙可调、吸光系数高等优点，在发光器件和光伏器件领域有着广阔的应用前景。但由于重金属铅具有毒性，会对环境及生物造成危害，所以开发无铅钙钛矿及其衍生材料成为研究热点。而在众多材料中，钙钛矿衍生材料——金属卤化物具有种类多、结构类型多、发光性能优等优点。因此本文利用油酸还原法制备了钙钛矿衍生材料Cs,3,MnBr,5,，该方法具有环境友好、能耗低、产物纯度高、可大批量生产等优点。Cs,3,MnBr,5,材料在近紫外激发下显示了明亮的绿色发光，峰值位于528 nm，半高宽43 nm，色坐标为（0.25，0.69），色纯度高达92%，荧光量子产率为64.69%，在LED照明领域和显示领域具有商业应用潜力。
Abstract
Inorganic lead halide perovskite has broad application prospects in light-emitting devices and photovoltaic devices due to its advantages， such as high fluorescence quantum yield， adjustable band gap， and high absorption coefficient. Due to the toxic lead ions which is harmful to the environment and organisms， the development of lead-free perovskite materials and their derived materials has become a research hotspot. Among many materials， compared with perovskite materials， perovskite-derived materials-metal halides have the advantages of many types， many structural types， and excellent luminescent properties. In this paper， the perovskite-derived material Cs,3,MnBr,5, was prepared by the oleic acid reduction method， which has the advantages of environmental friendliness， low energy consumption， high product purity， and mass production. The Cs,3,MnBr,5, material shows bright green luminescence under near-ultraviolet excitation， the emission peak locates at 528 nm， the full width at half maximum is 43 nm， the color coordinates are （0.25， 0.69）， PLQY is 64.96％ and the color purity is as high as 92%. These indicate that Cs,3,MnBr,5, material has potential applications in commercial LED lighting and displays.
关键词
发光二极管无机钙钛矿Cs3MnBr5荧光粉
Keywords
light⁃emitting diode（LED）inorganic perovskitesCs3MnBr5phosphor
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