光伏
钙钛矿(结构)
能量转换效率
纳米技术
材料科学
光伏系统
工程物理
化学工程
卤化物
热稳定性
光电子学
化学
无机化学
电气工程
工程类
作者
Saad Ullah,Jiaming Wang,Peixin Yang,Linlin Liu,Yuqiao Li,Shi-e Yang,Tianyu Xia,Haizhong Guo,Yongsheng Chen
标识
DOI:10.1002/ente.202100691
摘要
In the past decade, organic–inorganic halide perovskites (OIHPs) perovskite solar cells (PSCs) have received gigantic research attention owing to their prompt development in power conversion efficiency (PCE) from the initial 3.8% for the first prototype in 2009 to the present state‐of‐the‐art value of 25.5%. However, due to the weak‐bonded organic components in the hybrid crystal structure, the intrinsic chemical instability of OIHPs persuaded by humidity, ultraviolet light, and heat remain a challenging issue for them to meet industrialization‐specific requirements. Parallel to the flourishing of OIHPs, the progress of inorganic cesium‐based metal halide PSCs (CsPbX 3 , X = I, Br, and mixed) is hastening with PCEs over 20%. Due to its excellent stability under thermal and high humidity conditions, CsPbI 2 Br is one of the most fascinating inorganic perovskites and a notable research hotspot in the field of perovskite photovoltaics (PV). Herein, recent developments of CsPbI 2 Br‐based PSCs including the optoelectronic properties, processing methods for preparing CsPbI 2 Br films, stability of devices, and efficiency improvements are reviewed and deliberated. Finally, cutting‐edge engineering approaches for optimizing the PV performance are discussed and new challenges and perspectives for future research in this field are recognized.
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