Highly efficient Mn-doped CsPb(Br/Cl)3 mixed-halide perovskite via a simple large-scale synthesis method

被引：15

作者：

Chen, Zhihao ^{[1
]}

He, Haiyang ^{[2
]}

Wen, Zhuoqi ^{[1
]}

Cui, Zhongjie ^{[2
]}

Mei, Shiliang ^{[2
]}

Yang, Dan ^{[2
]}

Wei, Xian ^{[2
]}

Zhang, Wanlu ^{[2
]}

Xie, Fengxian ^{[2
]}

Yang, Bobo ^{[1
,3
]}

Guo, Ruiqian ^{[1
,2
,4
,5
]}

机构：

[1] Fudan Univ, Acad Engn & Technol, Inst Future Lighting, Shanghai 200433, Peoples R China

[2] Fudan Univ, Sch Informat Sci & Technol, Inst Elect Light Sources, Shanghai 200433, Peoples R China

[3] Shanghai Inst Technol, Sch Sci, Shanghai 201418, Peoples R China

[4] Zhongshan Fudan Joint Innovat Ctr, Zhongshan 528437, Peoples R China

[5] Fudan Univ, Yiwu Res Inst, Chengbei Rd, Yiwu City 322000, Zhejiang, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2021年 / 273卷

基金：

中国国家自然科学基金;

关键词：

Halide perovskite; Mn-doped CsPb(Br/Cl)(3); Large-scale synthesis; WLED; QUANTUM DOTS; NANOCRYSTALS; EMISSION; PHOTOLUMINESCENCE; STABILITY; CSPBX3;

D O I：

10.1016/j.mseb.2021.115426

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Broadband emission Mn2+ doped lead halide perovskites are deemed as promising phosphor materials for solid state white light-emitting-diodes (WLEDs). Herein, we report a facile gram-scale synthesis of Mn-doped CsPb(Br/Cl)(3) phosphors by doping MnCl2 into CsPbBr3 perovskite nanocrystals at room temperature. The obtained phosphors present dual-color emission with blue emission at 463 nm and red emission at 602 nm. Increasing MnCl2 doping amount can enhance the red emission while more 3-Aminopropyltrimethoxysilane (APTMS) ligands can repress Mn related impurity and provide high stability. Further, two kinds of WLEDs (monocomponnet and two-component) are demonstrated. The monocomponent WLED exhibits warm white light under various driving currents (30 mA-150 mA), and the two-component WLED shows good chromatic performance close to ideal white light (0.33, 0.33), demonstrating their potential applications in WLED devices.

引用

页数：7

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