Crystallization Kinetics of Perovskite Films by a Green Mixture Antisolvent for Efficient NiOx -Based Inverted Solar Cells

被引：4
作者：
Yang, Zigan [1 ]
Wei, Jiahui [1 ]
Zheng, Jianzha [1 ]
Zhong, Ziying [1 ]
Du, Huabin [1 ]
He, Zhiling [1 ]
Liu, Liming [1 ]
Ma, Qiaoyan [1 ]
Yu, Xiaohui [3 ]
Wang, Yousheng [1 ,2 ]
Zhu, Hongbing [1 ,2 ]
Wan, Meixiu [1 ,2 ]
Mai, Yaohua [1 ,2 ]
机构：
[1] Jinan Univ, Inst New Energy Technol, Coll Phys & Optoelect Engn, Guangzhou 510632, Peoples R China
[2] Jinan Univ, Guangdong Higher Educ Inst, Key Lab New Semicond & Devices, Guangzhou 510632, Peoples R China
[3] Guangzhou Beihuan Intelligent Transportat Technol, Guangzhou 510030, Guangdong, Peoples R China
来源：
ACS APPLIED MATERIALS & INTERFACES | 2024年 / 16卷 / 15期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
perovskite solar cell; mixture antisolvent; grain growth; morphology; chemical composition; extraction; ANTI-SOLVENT; MAPBI(3); GROWTH;
D O I：
10.1021/acsami.4c02270
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Environment-friendly antisolvents are critical for obtaining highly efficient, reproducible, and sustainable perovskite solar cells (PSCs). Here, we introduced a green mixture antisolvent of ethyl acetate-isopropanol (EA/IPA) to finely regulate the crystal grain growth and related film properties, including the morphology, crystal structure, and chemical composition of the perovskite thin film. The IPA with suitable content in EA plays a key role in achieving a smooth and compact high-quality perovskite thin film, leading to the suppression of film defect-induced nonradiative recombination. As a result, the PSCs based on the EA/IPA (5:1) antisolvent showed a power conversion efficiency of 22.9% with an open-circuit voltage of 1.17 V.
引用
收藏
页码：19838 / 19848
页数：11
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