Highly Efficient Ternary Solar Cells with Efficient Förster Resonance Energy Transfer for Simultaneously Enhanced Photovoltaic Parameters
Abstract
Abstract Introducing a third component into organic bulk heterojunction solar cells has become an effective strategy to improve photovoltaic performance. Meanwhile, the rapid development of non‐fullerene acceptors (NFAs) has pushed the power conversion efficiency (PCE) of organic solar cells (OSCs) to a higher standard. Herein, a series of fullerene‐free ternary solar cells are fabricated based on a wide bandgap acceptor, IDTT‐M, together with a wide bandgap donor polymer PM6 and a narrow bandgap NFA Y6. Insights from the morphological and electronic characterizations reveal that IDTT‐M has been incorporated into Y6 domains without disrupting its molecular packing and sacrificing its electron mobility and work synergistically with Y6 to regulate the packing pattern of PM6, leading to enhanced hole mobility and suppressed recombination. IDTT‐M further functions as an energy‐level mediator that increases open‐circuit voltage ( V OC ) in ternary devices. In addition, efficient Förster resonance energy transfer (FRET) between IDTT‐M and Y6 provides a non‐radiative pathway for facilitating exciton dissociation and charge collection. As a result, the optimized ternary device features a significantly improved PCE up to 16.63% with simultaneously enhanced short‐circuit current ( J SC ), V OC , and fill factor (FF).
- Authors:
-
[2]
- Guangdong University of Technology, Guangzhou (China)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Molecular Foundry
- South China Univ. of Technology (SCUT), Guangzhou (China)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; National Natural Science Foundation of China (NSFC); National Key Research and Development Program of China; Guangdong Innovative and Entrepreneurial Research Team Program; USDOE
- OSTI Identifier:
- 1834362
- Alternate Identifier(s):
- OSTI ID: 1808617
- Grant/Contract Number:
- AC02-05CH11231; 51903057; 2020YFB0408100; 2016ZT06C412
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Advanced Functional Materials
- Additional Journal Information:
- Journal Volume: 31; Journal Issue: 41; Journal ID: ISSN 1616-301X
- Publisher:
- Wiley
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; energy transfer; high open-circuit voltage; molecular mixture; non-fullerene acceptors; ternary solar cells
Citation Formats
Xiao, Liangang, Wu, Xing, Ren, Guoxing, Kolaczkowski, Matthew A., Huang, Guang, Tan, Wanyi, Ma, Lin, Liu, Yidong, Peng, Xiaobin, Min, Yonggang, and Liu, Yi. Highly Efficient Ternary Solar Cells with Efficient Förster Resonance Energy Transfer for Simultaneously Enhanced Photovoltaic Parameters. United States: N. p., 2021.
Web. doi:10.1002/adfm.202105304.
Xiao, Liangang, Wu, Xing, Ren, Guoxing, Kolaczkowski, Matthew A., Huang, Guang, Tan, Wanyi, Ma, Lin, Liu, Yidong, Peng, Xiaobin, Min, Yonggang, & Liu, Yi. Highly Efficient Ternary Solar Cells with Efficient Förster Resonance Energy Transfer for Simultaneously Enhanced Photovoltaic Parameters. United States. https://doi.org/10.1002/adfm.202105304
Xiao, Liangang, Wu, Xing, Ren, Guoxing, Kolaczkowski, Matthew A., Huang, Guang, Tan, Wanyi, Ma, Lin, Liu, Yidong, Peng, Xiaobin, Min, Yonggang, and Liu, Yi. Mon .
"Highly Efficient Ternary Solar Cells with Efficient Förster Resonance Energy Transfer for Simultaneously Enhanced Photovoltaic Parameters". United States. https://doi.org/10.1002/adfm.202105304. https://www.osti.gov/servlets/purl/1834362.
@article{osti_1834362,
title = {Highly Efficient Ternary Solar Cells with Efficient Förster Resonance Energy Transfer for Simultaneously Enhanced Photovoltaic Parameters},
author = {Xiao, Liangang and Wu, Xing and Ren, Guoxing and Kolaczkowski, Matthew A. and Huang, Guang and Tan, Wanyi and Ma, Lin and Liu, Yidong and Peng, Xiaobin and Min, Yonggang and Liu, Yi},
abstractNote = {Abstract Introducing a third component into organic bulk heterojunction solar cells has become an effective strategy to improve photovoltaic performance. Meanwhile, the rapid development of non‐fullerene acceptors (NFAs) has pushed the power conversion efficiency (PCE) of organic solar cells (OSCs) to a higher standard. Herein, a series of fullerene‐free ternary solar cells are fabricated based on a wide bandgap acceptor, IDTT‐M, together with a wide bandgap donor polymer PM6 and a narrow bandgap NFA Y6. Insights from the morphological and electronic characterizations reveal that IDTT‐M has been incorporated into Y6 domains without disrupting its molecular packing and sacrificing its electron mobility and work synergistically with Y6 to regulate the packing pattern of PM6, leading to enhanced hole mobility and suppressed recombination. IDTT‐M further functions as an energy‐level mediator that increases open‐circuit voltage ( V OC ) in ternary devices. In addition, efficient Förster resonance energy transfer (FRET) between IDTT‐M and Y6 provides a non‐radiative pathway for facilitating exciton dissociation and charge collection. As a result, the optimized ternary device features a significantly improved PCE up to 16.63% with simultaneously enhanced short‐circuit current ( J SC ), V OC , and fill factor (FF).},
doi = {10.1002/adfm.202105304},
journal = {Advanced Functional Materials},
number = 41,
volume = 31,
place = {United States},
year = {Mon Jul 19 00:00:00 EDT 2021},
month = {Mon Jul 19 00:00:00 EDT 2021}
}
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