钙钛矿(结构)
材料科学
掺杂剂
光电子学
兴奋剂
氧化物
载流子
电荷(物理)
接口(物质)
纳米技术
化学工程
量子力学
工程类
冶金
物理
毛细管数
毛细管作用
复合材料
作者
Jiale Liu,Sheng Li,Anyi Mei,Hongwei Han
标识
DOI:10.1002/smsc.202300020
摘要
Metal oxide (MO) charge transport layers (CTLs) are widely used for fabricating highly efficient and stable perovskite solar cells (PSCs) due to their superior stability, material and preparation cost, light transmission, and charge selection. However, the complex surface states, unbalanced carrier mobility, and variable energy band structure determined by MOs can lead to additional interfacial charge recombination and transport losses within the device, which limit further improvements in device performance. Extensive research has been conducted to address these challenges. In this review, an overview of current popular MO‐CTLs and their preparation methods for PSCs are provided. Interface regulation strategies, such as passivating interface defects, modulating interface energy level alignment, and improving interface contact are also discussed, which can enhance the performance of PSCs. Meanwhile, the commonly used dopants and doping strategies for optimizing the charge transport properties of CTLs are also discussed.
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