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Directed assembly of cathode interlayers enables efficient binary organic solar cells

20 October 2026 at 01:00

Nature Energy, Published online: 20 October 2026; doi:10.1038/s41560-026-02148-w

Cathode interlayers play a pivotal role in improving the performance of organic solar cells. Yao, Zhang, Zhang, Wang et al. show a stepwise solvent treatment to achieve a vertically aligned cathode interlayer, enabling a certified efficiency of 20.65% in binary organic solar cells.

Synergistically Facilitate Charge Dynamics and Suppress Energetic Disorder via Tailoring Solid Additive Substituents for Efficient Organic Solar Cells Over 21%

Energy Environ. Sci., 2026, Accepted Manuscript
DOI: 10.1039/D6EE01222A, Paper
Xiaoyu Mou, Jvfang Liang, Keli Shi, Sangjin Yang, Jeewon Park, Shucheng Qin, Qianqian Zhao, Jianping Chen, Xingchen Hu, Jintong Sun, Jia Yao, Can Zhu, Lian Zhong, Jing Guo, JINYUAN ZHANG, Erjun Zhou, Zhi-Guo Zhang, Changduk Yang, Beibei Qiu, Yongfang Li
Simultaneously minimizing energy loss and optimizing charge dynamics remains a central challenge for further boosting the photovoltaic performance of organic solar cells (OSCs). As a key parameter controlling charge generation,...
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