Achieving 20% Toluene-Processed Binary Organic Solar Cells via Secondary Regulation of Donor Aggregation in Sequential Processing

Achieving 20% Toluene-Processed Binary Organic Solar Cells via Secondary Regulation of Donor Aggregation in Sequential Processing

Highlights Isomeric molecules are introduced to fine-tune the secondary nucleation process of the donor underlayer. Binary organic solar cell processed with non-halogen solvent shows a champion efficiency of 20.0% (certified 19.7%). Mechanism of the film formation processes and the sequential proces...

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Main Authors: Yufei Wang, Chuanlin Gao, Wen Lei, Tao Yang, Zezhou Liang, Kangbo Sun, Chaoyue Zhao, Lu Chen, Liangxiang Zhu, Haoxuan Zeng, Xiaokang Sun, Bin He, Hanlin Hu, Zeguo Tang, Mingxia Qiu, Shunpu Li, Peigang Han, Guangye Zhang
Format: Article
Language:English
Published: SpringerOpen 2025-04-01
Series:Nano-Micro Letters
Subjects:
Organic solar cells
Non-halogen solvent
Sequential processing
Secondary nucleation
Stability
Online Access:https://doi.org/10.1007/s40820-025-01715-2
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