Spectral properties of CsPbX3 (X=Br, I) perovskite nanocrystals in borogermanate glass-ceramics

被引：6
|
作者：
Oreshkina, K. [1 ]
Dubrovin, V [1 ]
Sgibnev, Y. [1 ]
Nikonorov, N. [1 ]
Babkina, A. [1 ]
Kulpina, E. [1 ]
Pavliuk, A. [1 ]
Zyryanova, K. [1 ]
Ignatiev, A. [1 ]
Kuzmenko, N. [1 ]
Kharisova, R. [1 ]
Klinkov, V [2 ]
Zhizhin, E. [3 ]
Koroleva, A. [3 ]
Platonova, N. [3 ]
机构：
[1] ITMO Univ, Kronverksky Ave 49, St Petersburg 197101, Russia
[2] Peter Great St Petersburg Polytech Univ SPbPU, St Petersburg 195251, Russia
[3] St Petersburg State Univ, 7-9 Univ Skaya Nab, St Petersburg 199034, Russia
来源：
MATERIALS RESEARCH BULLETIN | 2022年 / 149卷
关键词：
Perovskite quantum dots; Cesium lead bromide perovskite; Cesium lead iodide perovskite; Borogermanate glass; Quantum size effect; COPPER CHLORIDE NANOCRYSTALS; CSPB2BR5 QUANTUM DOTS; OPTICAL-PROPERTIES; PHASE-TRANSITIONS; CRYSTAL-STRUCTURE; BR; LIGHT; PHOTOLUMINESCENCE; LUMINESCENCE; EMISSION;
D O I：
10.1016/j.materresbull.2021.111720
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
ABSTR A C T Pure CsPbBr3 and CsPbI3 perovskite nanocrystals are nucleated in the borogermanate glass. Nanocrystals precipitation in glass are controlled via isothermal treatment at temperatures above Tg by adjusting the temperature and duration starting from 15 min. X-ray diffraction data and optical measurements have confirmed the formation of 5-8 nm sized CsPbBr3 nanocrystals and 6-15 nm sized CsPbI3 nanocrystals. Wherein, the photo-luminescence of lead cesium bromide perovskite is tuned in the 490-530 nm range, and the luminescence of iodide perovskite is changed in the 640-740 nm range. The maximum luminescence quantum yield of pure CsPbI(3 )perovskites is 19%. Water, climate and acid resistance tests show borogermanate glasses with perovskite nanocrystals are compatible with commercial dense crowns.
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页数：10
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