We present a self-cleaning organic solar cells (OSCs) with a light-trapping structure by introducing a groove-shaped micro/nanostructured haze thin films (GHFs). The GHF with periods larger than wavelengths of incident light can broaden the effective optical paths and promote the diffused lights, while keeping high (low) total transmission (reflectance) properties. When laminated GHF on top of the light-in side of OSCs, the power conversion efficiency of OSCs is improved more than 10%. Simultaneously, the superhydrophobic GHF composed of the groove structure allows the droplets to successfully remove dust particles from the polydimethylsiloxane (PDMS) surface during the roll-off process of the drop. Under 10 cycles of dust contamination and cleaning treatment, OSCs with GHF can still guarantee an initial efficiency of 84% (76%), showing great potentials of OSCs in practical applications.
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18 November 2019
Research Article|
November 18 2019
Self-cleaning organic solar cells based on micro/nanostructured haze films with optical enhancement effect
Zhongyang Ren;
Zhongyang Ren
1
Institute of Micro/Nano Devices and Solar Cells, School of Physics and Information Engineering, Fuzhou University
, Fuzhou 350100, China
2
National Key Lab of Nano/Micro Fabrication Technology, Institute of Microelectronics, Peking University
, Beijing 100871, China
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Qiao Zheng;
Qiao Zheng
1
Institute of Micro/Nano Devices and Solar Cells, School of Physics and Information Engineering, Fuzhou University
, Fuzhou 350100, China
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Xuexian Chen;
Xuexian Chen
2
National Key Lab of Nano/Micro Fabrication Technology, Institute of Microelectronics, Peking University
, Beijing 100871, China
3
Academy for Advanced Interdisciplinary Studies, Peking University
, Beijing 100871, China
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Haobin Wang;
Haobin Wang
2
National Key Lab of Nano/Micro Fabrication Technology, Institute of Microelectronics, Peking University
, Beijing 100871, China
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Hang Guo;
Hang Guo
2
National Key Lab of Nano/Micro Fabrication Technology, Institute of Microelectronics, Peking University
, Beijing 100871, China
3
Academy for Advanced Interdisciplinary Studies, Peking University
, Beijing 100871, China
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Liming Miao;
Liming Miao
2
National Key Lab of Nano/Micro Fabrication Technology, Institute of Microelectronics, Peking University
, Beijing 100871, China
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Ji Wan;
Ji Wan
2
National Key Lab of Nano/Micro Fabrication Technology, Institute of Microelectronics, Peking University
, Beijing 100871, China
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Chen Xu;
Chen Xu
2
National Key Lab of Nano/Micro Fabrication Technology, Institute of Microelectronics, Peking University
, Beijing 100871, China
3
Academy for Advanced Interdisciplinary Studies, Peking University
, Beijing 100871, China
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Shuying Cheng;
Shuying Cheng
a)
1
Institute of Micro/Nano Devices and Solar Cells, School of Physics and Information Engineering, Fuzhou University
, Fuzhou 350100, China
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Haixia Zhang
Haixia Zhang
a)
2
National Key Lab of Nano/Micro Fabrication Technology, Institute of Microelectronics, Peking University
, Beijing 100871, China
3
Academy for Advanced Interdisciplinary Studies, Peking University
, Beijing 100871, China
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a)
Electronic addresses: sycheng@fzu.edu.cn and zhang-alice@pku.edu.cn
Appl. Phys. Lett. 115, 213902 (2019)
Article history
Received:
September 30 2019
Accepted:
November 01 2019
Citation
Zhongyang Ren, Qiao Zheng, Xuexian Chen, Haobin Wang, Hang Guo, Liming Miao, Ji Wan, Chen Xu, Shuying Cheng, Haixia Zhang; Self-cleaning organic solar cells based on micro/nanostructured haze films with optical enhancement effect. Appl. Phys. Lett. 18 November 2019; 115 (21): 213902. https://doi.org/10.1063/1.5129588
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