Molecular packing control enables excellent performance and mechanical property of blade-cast all-polymer solar cells
Abstract
All-polymer solar cells (all-PSCs) are the most promising power generators for flexible and portable devices due to excellent morphology stability and outstanding mechanical property. Prior work suggests high crystallinity is beneficial to device performance but detrimental to mechanical property, therefore identifying the optimized ratio between crystalline and amorphous domains becomes important. In this work, we demonstrated highly efficient and mechanically robust all-PSCs by blade-coating technology in ambient environment based on PTzBI:N2200 system. By controlling the aggregation in solution state and ultrafast film formation process, a weakly ordered molecular packing morphology as well as small phase separation is obtained, which leads to not only the good photovoltaic performance (8.36%-one of the best blade-cast device in air) but also prominent mechanical characteristic. The controlled film reflects a remarkable elongation with the crack onset strain of 15.6%, which is the highest result in organic solar cells without adding elastomers. These observations indicate the great promise of the developed all-PSCs for practical applications toward large-area processing technology.
- Authors:
-
- Xi’an Jiaotong Univ. (China)
- Univ. of Southern Mississippi, Hattiesburg, MS (United States)
- South China Univ. of Technology, Guangzhou (China)
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- South China Univ. of Technology, Guangzhou (China); Xi’an Jiaotong Univ. (China)
- Publication Date:
- Research Org.:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); Ministry of Science and Technology; National Natural Science Foundation of China (NSFC); China Postdoctoral Science Foundation
- OSTI Identifier:
- 1529379
- Alternate Identifier(s):
- OSTI ID: 1637186
- Grant/Contract Number:
- AC02-76SF00515; 2016YFA0200700; 21504066; 21534003; 21875182; 21704082; 2017M623162; 201629; AC02-05CH11231; DEAC02-05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nano Energy
- Additional Journal Information:
- Journal Volume: 59; Journal Issue: C; Journal ID: ISSN 2211-2855
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; All-polymer organic solar cells; Blade-coating; Mechanical property; Molecular packing
Citation Formats
Lin, Baojun, Zhang, Lin, Zhao, Heng, Xu, Xianbin, Zhou, Ke, Zhang, Song, Gou, Lu, Fan, Baobing, Zhang, Lei, Yan, Hongping, Gu, Xiandan, Ying, Lei, Huang, Fei, Cao, Yong, and Ma, Wei. Molecular packing control enables excellent performance and mechanical property of blade-cast all-polymer solar cells. United States: N. p., 2019.
Web. doi:10.1016/j.nanoen.2019.02.046.
Lin, Baojun, Zhang, Lin, Zhao, Heng, Xu, Xianbin, Zhou, Ke, Zhang, Song, Gou, Lu, Fan, Baobing, Zhang, Lei, Yan, Hongping, Gu, Xiandan, Ying, Lei, Huang, Fei, Cao, Yong, & Ma, Wei. Molecular packing control enables excellent performance and mechanical property of blade-cast all-polymer solar cells. United States. https://doi.org/10.1016/j.nanoen.2019.02.046
Lin, Baojun, Zhang, Lin, Zhao, Heng, Xu, Xianbin, Zhou, Ke, Zhang, Song, Gou, Lu, Fan, Baobing, Zhang, Lei, Yan, Hongping, Gu, Xiandan, Ying, Lei, Huang, Fei, Cao, Yong, and Ma, Wei. Tue .
"Molecular packing control enables excellent performance and mechanical property of blade-cast all-polymer solar cells". United States. https://doi.org/10.1016/j.nanoen.2019.02.046. https://www.osti.gov/servlets/purl/1529379.
@article{osti_1529379,
title = {Molecular packing control enables excellent performance and mechanical property of blade-cast all-polymer solar cells},
author = {Lin, Baojun and Zhang, Lin and Zhao, Heng and Xu, Xianbin and Zhou, Ke and Zhang, Song and Gou, Lu and Fan, Baobing and Zhang, Lei and Yan, Hongping and Gu, Xiandan and Ying, Lei and Huang, Fei and Cao, Yong and Ma, Wei},
abstractNote = {All-polymer solar cells (all-PSCs) are the most promising power generators for flexible and portable devices due to excellent morphology stability and outstanding mechanical property. Prior work suggests high crystallinity is beneficial to device performance but detrimental to mechanical property, therefore identifying the optimized ratio between crystalline and amorphous domains becomes important. In this work, we demonstrated highly efficient and mechanically robust all-PSCs by blade-coating technology in ambient environment based on PTzBI:N2200 system. By controlling the aggregation in solution state and ultrafast film formation process, a weakly ordered molecular packing morphology as well as small phase separation is obtained, which leads to not only the good photovoltaic performance (8.36%-one of the best blade-cast device in air) but also prominent mechanical characteristic. The controlled film reflects a remarkable elongation with the crack onset strain of 15.6%, which is the highest result in organic solar cells without adding elastomers. These observations indicate the great promise of the developed all-PSCs for practical applications toward large-area processing technology.},
doi = {10.1016/j.nanoen.2019.02.046},
journal = {Nano Energy},
number = C,
volume = 59,
place = {United States},
year = {Tue Feb 19 00:00:00 EST 2019},
month = {Tue Feb 19 00:00:00 EST 2019}
}
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