Slowing the crystallization speed to prepare high-efficiency flexible tin-based perovskite solar cells

被引：0
|
作者：
Wang, Yangyang [1 ]
Wang, Xiegeng [2 ]
Li, Long [1 ]
Zhang, Liwen [1 ]
机构：
[1] Shenzhen Inst Informat Technol, Sch Microelect, Shenzhen 518000, Peoples R China
[2] Harbin Inst Technol, Sch Mat Sci & Engn, Shenzhen Key Lab Adv Mat, Shenzhen 518055, Peoples R China
来源：
MATERIALS LETTERS-X | 2024年 / 24卷
基金：
中国国家自然科学基金;
关键词：
Solar energy materials; Thin films; Tin-based perovskite; Hydrochlorides; Defects;
D O I：
10.1016/j.mlblux.2024.100235
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, five hydrochlorides are used as additives to slow the crystallization rate between SnI2 and AI (A+=MA+, FA+, Cs+) to prepare high-quality perovskite films. This study on film morphology, crystallization and non-radiative recombination demonstrates the effects of organic amine cations with different chain lengths on the quality of thin films. A flexible solar cell device with a lead-free perovskite film doped with PACl is also obtained achieving an efficiency of 5.52 %.
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页数：4
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