All-polymer organic solar cells with nano-to-micron hierarchical morphology and large light receiving angle

Rui Zeng, Lei Zhu, Ming Zhang, Wenkai Zhong, Guanqing Zhou, Jiaxing Zhuang, Tianyu Hao, Zichun Zhou, Libo Zhou, Nicolai Hartmann, Xiaonan Xue, Hao Jing, Fei Han, Yiming Bai, Hongbo Wu, Zheng Tang, Yecheng Zou, Haiming Zhu, Chun-Chao Chen, Yongming Zhang and Feng Liu ()
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Rui Zeng: Frontiers Science Center for Transformative Molecules, In-situ Center for Physical Science, and Center of Hydrogen Science Shanghai Jiao Tong University
Lei Zhu: Frontiers Science Center for Transformative Molecules, In-situ Center for Physical Science, and Center of Hydrogen Science Shanghai Jiao Tong University
Ming Zhang: Frontiers Science Center for Transformative Molecules, In-situ Center for Physical Science, and Center of Hydrogen Science Shanghai Jiao Tong University
Wenkai Zhong: Frontiers Science Center for Transformative Molecules, In-situ Center for Physical Science, and Center of Hydrogen Science Shanghai Jiao Tong University
Guanqing Zhou: Frontiers Science Center for Transformative Molecules, In-situ Center for Physical Science, and Center of Hydrogen Science Shanghai Jiao Tong University
Jiaxing Zhuang: Frontiers Science Center for Transformative Molecules, In-situ Center for Physical Science, and Center of Hydrogen Science Shanghai Jiao Tong University
Tianyu Hao: Frontiers Science Center for Transformative Molecules, In-situ Center for Physical Science, and Center of Hydrogen Science Shanghai Jiao Tong University
Zichun Zhou: Frontiers Science Center for Transformative Molecules, In-situ Center for Physical Science, and Center of Hydrogen Science Shanghai Jiao Tong University
Libo Zhou: Frontiers Science Center for Transformative Molecules, In-situ Center for Physical Science, and Center of Hydrogen Science Shanghai Jiao Tong University
Nicolai Hartmann: Attocube Systems AG
Xiaonan Xue: Shanghai OPV Solar New Energy Technology Co., Ltd
Hao Jing: Shanghai OPV Solar New Energy Technology Co., Ltd
Fei Han: North China Electric Power University
Yiming Bai: North China Electric Power University
Hongbo Wu: College of Materials Science and Engineering Donghua University
Zheng Tang: College of Materials Science and Engineering Donghua University
Yecheng Zou: State Key Laboratory of Fluorinated Functional Membrane Materials and Dongyue Future Hydrogen Energy Materials Company
Haiming Zhu: Zhejiang University
Chun-Chao Chen: Shanghai Jiao Tong University
Yongming Zhang: Frontiers Science Center for Transformative Molecules, In-situ Center for Physical Science, and Center of Hydrogen Science Shanghai Jiao Tong University
Feng Liu: Frontiers Science Center for Transformative Molecules, In-situ Center for Physical Science, and Center of Hydrogen Science Shanghai Jiao Tong University

Nature Communications, 2023, vol. 14, issue 1, 1-10

Abstract: Abstract Distributed photovoltaics in living environment harvest the sunlight in different incident angles throughout the day. The development of planer solar cells with large light-receiving angle can reduce the requirements in installation form factor and is therefore urgently required. Here, thin film organic photovoltaics with nano-sized phase separation integrated in micro-sized surface topology is demonstrated as an ideal solution to proposed applications. All-polymer solar cells, by means of a newly developed sequential processing, show large magnitude hierarchical morphology with facilitated exciton-to-carrier conversion. The nano fibrilar donor-acceptor network and micron-scale optical field trapping structure in combination contributes to an efficiency of 19.06% (certified 18.59%), which is the highest value to date for all-polymer solar cells. Furthermore, the micron-sized surface topology also contributes to a large light-receiving angle. A 30% improvement of power gain is achieved for the hierarchical morphology comparing to the flat-morphology devices. These inspiring results show that all-polymer solar cell with hierarchical features are particularly suitable for the commercial applications of distributed photovoltaics due to its low installation requirement.

Date: 2023
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DOI: 10.1038/s41467-023-39832-4

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