作者
Xuning Zhang, Hong Zhang, Yanxun Li, Saud‐uz Zafar, Shuo Yang, Jianhui Chen, Huiqiong Zhou, Yuan Zhang
发表日期
2022/10
来源
Advanced Functional Materials
卷号
32
期号
44
页码范围
2205398
简介
Recently, organic solar cells (OSCs) have received rapid boosts in the power conversion efficiency (PCE), due to progresses in materials and device engineering. Several groups have reported champion PCEs over 19% in single‐junction, ternary, and tandem OSCs. In addition to the concentrated focus on the new design of OSC active materials, buffer layer materials, used for the interface layer providing the functionalities of interface charge transport and collection in OSCs, are of critical importance for the optimization of PCE. Compared with the electron transport layers (ETL), the hole transport layers (HTLs) have received less attention and are still dominated by the commercial material poly(3,4‐ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS), which has limitations for the efficiency and OSC device stability enhancement. In this Review, the recent progress in HTL materials, including the …
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Recent progress in hole‐transporting layers of conventional organic solar cells with p–i–n structure
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