Photoluminescence of perovskite CsPbX 3 (X = Cl, Br, I) nanocrystals and solid solutions on their basis

被引：9
|
作者：
Matyushkin, L. B. [1 ]
Moshnikov, V. A. [1 ]
机构：
[1] St Petersburg State Electrotech Univ LETI, St Petersburg 197376, Russia
来源：
SEMICONDUCTORS | 2017年 / 51卷 / 10期
关键词：
LEAD HALIDE PEROVSKITES; QUANTUM DOTS; LUMINESCENCE;
D O I：
10.1134/S106378261710013X
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Synthesis and also the structural and photoluminescence properties of nanocrystals with natural faceting of the "cesium-lead-halogen" system with crystalline structure of the perovskite type are examined. The possibility of continuously changing the position of the maximum in the photoluminescence spectrum in the wavelength range of 400-700 nm is demonstrated. Features of the formation of the continuous series of solid solutions CsPb(Cl1-x Br (x) )(3) and CsPb(Br1-x I (x) )(3) due to the aftergrowth treatment of CsPbBr3 nanocrystals as a result of anion exchange at room temperature are studied. The corresponding range of frequency change for the maximum of the photoluminescence spectrum amounts to 410-690 nm.
引用
收藏
页码：1337 / 1342
页数：6
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