Optimized active layer morphology toward efficient and polymer batch insensitive organic solar cells
Abstract
Abstract Morphology control in laboratory and industry setting remains as a major challenge for organic solar cells (OSCs) due to the difference in film-drying kinetics between spin coating and the printing process. A two-step sequential deposition method is developed to control the active layer morphology. A conjugated polymer that self-assembles into a well-defined fibril structure is used as the first layer, and then a non-fullerene acceptor is introduced into the fibril mesh as the second layer to form an optimal morphology. A benefit of the combined fibril network morphology and non-fullerene acceptor properties was that a high efficiency of 16.5% (certified as 16.1%) was achieved. The preformed fibril network layer and the sequentially deposited non-fullerene acceptor form a robust morphology that is insensitive to the polymer batches, solving a notorious issue in OSCs. Such progress demonstrates that the utilization of polymer fibril networks in a sequential deposition process is a promising approach towards the fabrication of high-efficiency OSCs.
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1632019
- Alternate Identifier(s):
- OSTI ID: 1817152
- Grant/Contract Number:
- AC02-05CH11231
- Resource Type:
- Published Article
- Journal Name:
- Nature Communications
- Additional Journal Information:
- Journal Name: Nature Communications Journal Volume: 11 Journal Issue: 1; Journal ID: ISSN 2041-1723
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United Kingdom
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Citation Formats
Weng, Kangkang, Ye, Linglong, Zhu, Lei, Xu, Jinqiu, Zhou, Jiajia, Feng, Xiang, Lu, Guanghao, Tan, Songting, Liu, Feng, and Sun, Yanming. Optimized active layer morphology toward efficient and polymer batch insensitive organic solar cells. United Kingdom: N. p., 2020.
Web. doi:10.1038/s41467-020-16621-x.
Weng, Kangkang, Ye, Linglong, Zhu, Lei, Xu, Jinqiu, Zhou, Jiajia, Feng, Xiang, Lu, Guanghao, Tan, Songting, Liu, Feng, & Sun, Yanming. Optimized active layer morphology toward efficient and polymer batch insensitive organic solar cells. United Kingdom. https://doi.org/10.1038/s41467-020-16621-x
Weng, Kangkang, Ye, Linglong, Zhu, Lei, Xu, Jinqiu, Zhou, Jiajia, Feng, Xiang, Lu, Guanghao, Tan, Songting, Liu, Feng, and Sun, Yanming. Fri .
"Optimized active layer morphology toward efficient and polymer batch insensitive organic solar cells". United Kingdom. https://doi.org/10.1038/s41467-020-16621-x.
@article{osti_1632019,
title = {Optimized active layer morphology toward efficient and polymer batch insensitive organic solar cells},
author = {Weng, Kangkang and Ye, Linglong and Zhu, Lei and Xu, Jinqiu and Zhou, Jiajia and Feng, Xiang and Lu, Guanghao and Tan, Songting and Liu, Feng and Sun, Yanming},
abstractNote = {Abstract Morphology control in laboratory and industry setting remains as a major challenge for organic solar cells (OSCs) due to the difference in film-drying kinetics between spin coating and the printing process. A two-step sequential deposition method is developed to control the active layer morphology. A conjugated polymer that self-assembles into a well-defined fibril structure is used as the first layer, and then a non-fullerene acceptor is introduced into the fibril mesh as the second layer to form an optimal morphology. A benefit of the combined fibril network morphology and non-fullerene acceptor properties was that a high efficiency of 16.5% (certified as 16.1%) was achieved. The preformed fibril network layer and the sequentially deposited non-fullerene acceptor form a robust morphology that is insensitive to the polymer batches, solving a notorious issue in OSCs. Such progress demonstrates that the utilization of polymer fibril networks in a sequential deposition process is a promising approach towards the fabrication of high-efficiency OSCs.},
doi = {10.1038/s41467-020-16621-x},
journal = {Nature Communications},
number = 1,
volume = 11,
place = {United Kingdom},
year = {Fri Jun 05 00:00:00 EDT 2020},
month = {Fri Jun 05 00:00:00 EDT 2020}
}
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