Solvent engineering in inkjet-printed perovskite solar cells

被引：4
|
作者：
Yang, Han [1 ]
Wang, Jize [1 ]
Yu, Xinxin [1 ]
Feng, Yishuai [1 ]
Chen, Xiao [1 ]
Long, Fei [2 ]
Ku, Zhiliang [1 ]
Huang, Fuzhi [1 ]
Cheng, Yibing [1 ]
Peng, Yong [1 ]
机构：
[1] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Hubei, Peoples R China
[2] Guilin Univ Technol, Coll Mat Sci & Engn, Guilin 541004, Guangxi, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2022年 / 807卷
基金：
中国国家自然科学基金;
关键词：
Inkjet printing; Perovskite solar cells; Solvent engineering;
D O I：
10.1016/j.cplett.2022.140084
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Inkjet printing is a sterling technique in the fabrication of large-scale perovskite solar cells (PSCs). Whereas, to obtain high quality perovskite films remains challenging because of the control of the drying of droplets. In this work, FAI is totally dissolved in n-Butanol and isopropanol (IPA) to react with PbI2/CsBr films. The addition of nButanol prolongs the drying time and inhibits the contact line pinning. Accordingly, the inkjet-printed Cs(x)FA(1-x)Pb(IyBr1-y)(3) perovskite films show great uniformity with large grain size. We ultimately achieve a champion device with a power conversion efficiency (PCE) of 18.26 % (0.15 cm(2)).
引用
收藏
页数：7
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