Evolution of CsPbBr3 nanocrystals upon post-synthesis annealing under an inert atmosphere

被引:65
作者
Palazon, F. [1 ]
Di Stasio, F. [1 ]
Lauciello, S. [1 ]
Krahne, R. [1 ]
Prato, M. [1 ]
Manna, L. [1 ]
机构
[1] Ist Italian Tecnol, Nanochem Dept, Via Morego 30, I-16163 Genoa, Italy
关键词
INORGANIC PEROVSKITE NANOCRYSTALS; LEAD HALIDE PEROVSKITES; ANION-EXCHANGE REACTIONS; LIGHT-EMITTING DEVICES; QUANTUM DOTS; SOLAR-CELLS; EMISSION; CSPBX3; COMPOSITES; DIODES;
D O I
10.1039/c6tc03342c
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Annealing a film of CsPbBr3 nanocrystals (NCs) leads to the removal of surface ligands and ripening of the NCs below 200 degrees C. This results in a reduced photoluminescence quantum yield due to the formation of trap states while on the other hand the conductive properties of the films are stabilized, with a significantly stronger photocurrent after annealing.
引用
收藏
页码:9179 / 9182
页数:4
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