Research progress and application of high efficiency organic solar cells based on benzodithiophene donor materials
Congqi Lin , Ruixiang Peng , Jingyu Shi , Ziyi Ge
Exploration ›› 2024, Vol. 4 ›› Issue (4) : 20230122
In recent decades, the demand for clean and renewable energy has grown increasingly urgent due to the irreversible alteration of the global climate change. As a result, organic solar cells (OSCs) have emerged as a promising alternative to address this issue. In this review, we summarize the recent progress in the molecular design strategies of benzodithiophene (BDT)-based polymer and small molecule donor materials since their birth, focusing on the development of main-chain engineering, side-chain engineering and other unique molecular design paths. Up to now, the state-of-the-art power conversion efficiency (PCE) of binary OSCs prepared by BDT-based donor materials has approached 20%. This work discusses the potential relationship between the molecular changes of donor materials and photoelectric performance in corresponding OSC devices in detail, thereby presenting a rational molecular design guidance for stable and efficient donor materials in future.
benzodithiophene / donor material / molecular design strategy / organic solar cell / photoelectric performance
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2024 The Authors. Exploration published by Henan University and John Wiley & Sons Australia, Ltd.
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