Controlling phase and morphology of all-dip-coating processed HC (NH2)2PbI3 perovskite layers from an aqueous halide-free lead precursor

被引：40
作者：
Irshad, Zobia [1 ]
Adnan, Muhammad [1 ]
Lee, Jae Kwan [1 ,2 ]
机构：
[1] Chosun Univ, Grad Sch, Dept Chem, Gwangju 61452, South Korea
[2] Chosun Univ, Dept Chem Educ, Gwangju 61452, South Korea
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2022年 / 160卷
关键词：
Perovskite solar cell; Dip-coating; Halide-free lead precursor; FAPbI(3) perovskite; SOLAR-CELLS; HIGHLY EFFICIENT;
D O I：
10.1016/j.jpcs.2021.110374
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A facile all-dip-coating deposition is proposed for fabricating efficient HC(NH2)(2)PbI3 (FAPbI(3)) perovskite films from non-halide lead precursor for application in high-performance perovskite solar cells (PrSCs). The phase composition and morphology of FAPbI(3) crystalline layers were effectively modulated by controlling the FAI solution concentration and annealing temperature adjusted in the all-dip-coating process. Evaluating of alpha-FAPbI(3) phase-growth factor (G(alpha-FAPbI3)) and FAPbI(3) formation factor (C-FAPbI3) is also proposed as an efficient method on to develop an efficient FAPbI(3) perovskite layer for high-efficiency PrSCs. The notable device performances and stability of PrSC devices with FAPbI(3) perovskite layer fabricated using the all-dip-coating process (power-conversion efficiency of 10.83%) is a significant development toward new and facile deposition technologies that can overcome the limitation imposed by conventional spin-casting technologies for perovskite fabrication.
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页数：8
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