Tunable photoluminescence of CsPbBr_3 perovskite quantum dots for their physical research

Chen Haitao; Guo Anqi; Zhu Jun; Cheng Liwen; Wang Qiang

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Tunable photoluminescence of CsPbBr_3 perovskite quantum dots for their physical research

机译：CsPbBr_3钙钛矿量子点的可调光致发光用于物理研究

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All-inorganic cesium lead halide perovskite nanostructure CsPbBr3 quantum dots have brought extensive attention in photoelectric applications. In this paper, CsPbBr3 quantum dots were synthesized with the diameter ranges from 8.7 to 11.8 nm by adjusting reaction temperature from 140 to 180 degrees C. In addition, for the mono-disperse CsPbBr3 nanocrystals, it was found that radiative lifetime exists between 5 and 20 ns and PL decay lifetimes ranges from 4 to 11 ns, and their PL mechanism was studied thoroughly.

机译：全无机卤化铯铯钙钛矿纳米结构CsPbBr3量子点在光电应用中引起了广泛的关注。本文通过将反应温度从140℃调节到180℃，合成了CsPbBr3量子点，其直径范围为8.7 nm至11.8 nm。此外，对于单分散的CsPbBr3纳米晶体，发现其辐射寿命介于5到5 nm之间。 20 ns和PL衰减寿命为4到11 ns，并对其PL机制进行了深入研究。

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来源
《Applied Surface Science》 |2019年第28期|656-664|共9页
作者
Chen Haitao; Guo Anqi; Zhu Jun; Cheng Liwen; Wang Qiang;
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作者单位

Yangzhou Univ, Coll Phys Sci & Technol, Yangzhou 225002, Jiangsu, Peoples R China;

Yangzhou Univ, Coll Phys Sci & Technol, Yangzhou 225002, Jiangsu, Peoples R China;

Yangzhou Univ, Coll Phys Sci & Technol, Yangzhou 225002, Jiangsu, Peoples R China;

Yangzhou Univ, Coll Phys Sci & Technol, Yangzhou 225002, Jiangsu, Peoples R China;

Yangzhou Univ, Coll Phys Sci & Technol, Yangzhou 225002, Jiangsu, Peoples R China;

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正文语种 eng
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关键词
Perovskite nanostructure; Diameter; Radiative lifetime; PL mechanism;

机译：钙钛矿纳米结构直径辐射寿命PL机制;

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专利

1. In-situ guanidinium bromide passivation treatment of CsPbBr_3 perovskite quantum dots exhibiting high photoluminescence and environmental stability [J] . Gong Chengkai, Wang Xiaofeng, Xia Xuefeng, Applied Surface Science . 2021,第Sepa1期

机译：原位鸟嘌呤溴化物处理CSPBBR_3 Perovskite量子点表现出高光致发光和环境稳定性
2. Interfacial charge transfer between CsPbBr_3 quantum dots and ITO nanoparticles revealed by single-dot photoluminescence spectroscopy [J] . Li Bin, Chen Ruiyun, Qin Chengbing, Annales de l'I.H.P . 2019,第11期

机译：通过单点光致发光光谱显示CSPBBR_3量子点和ITO纳米粒子之间的界面电荷转移
3. Temperature-Dependent Photoluminescence of Cesium Lead Halide Perovskite Quantum Dots: Splitting of the Photoluminescence Peaks of CsPbBr3 and CsPb(Br/I)(3) Quantum Dots at Low Temperature [J] . Lee See Mak, Moon Cheol Joo, Lim Hyunseob, The journal of physical chemistry, C. Nanomaterials and interfaces . 2017,第46期

机译：铯铅卤化铯钙钛矿量子点的温度依赖性光致发光：低温下CSPBBR3和CSPB（BR / I）（3）量子点的光致发光峰分裂
4. Modeling and size control of CsPbBr_3 perovskite quantum dots [C] . Niranjan Sitapure, Tian Qiao, Dong Hee Son, American Control Conference . 2019

机译：CSPBBR_3 PEROVSKITE量子点的建模与尺寸控制
5. Improving the photoluminescence quantum efficiency of size-tunable, solution-processed lead-sulfide quantum dots in film. [D] . Maria, Ahmed. 2004

机译：提高尺寸可调溶液中溶液处理的硫化铅量子点的光致发光量子效率。
6. Colloidal Organometal Halide Perovskite (MAPbBrxI3−x 0≤x≤3) Quantum Dots: Controllable Synthesis and Tunable Photoluminescence [O] . Ying Zhao, Xiangxing Xu, Xiaozeng You -1

机译：胶体有机金属卤化物钙钛矿（MAPbBrxI3-x0≤x≤3）量子点：可控合成和可调谐光致发光
7. Optoelectronics: Enhanced Stability and Tunable Photoluminescence in Perovskite CsPbX3 /ZnS Quantum Dot Heterostructure (Small 21/2017) [O] . Weiwei Chen, Jiongyue Hao, Wei Hu, 2017

机译：光电子：钙钛矿CSPBX3 / ZnS量子点异质结构增强稳定性和可调谐光致发光（小21/2017）

Tunable photoluminescence of CsPbBr_3 perovskite quantum dots for their physical research

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