Noncovalently fused-ring electron acceptors with near-infrared absorption for high-performance organic solar cells
Abstract
Non-fullerene fused-ring electron acceptors boost the power conversion efficiency of organic solar cells, but they suffer from high synthetic cost and low yield. Here, we show a series of low-cost noncovalently fused-ring electron acceptors, which consist of a ladder-like core locked by noncovalent sulfur–oxygen interactions and flanked by two dicyanoindanone electron-withdrawing groups. Compared with that of similar but unfused acceptor, the presence of ladder-like structure markedly broadens the absorption to the near-infrared region. In addition, the use of intramolecular noncovalent interactions avoids the tedious synthesis of covalently fused-ring structures and markedly lowers the synthetic cost. The optimized solar cells displayed an outstanding efficiency of 13.24%. More importantly, solar cells based on these acceptors demonstrate very low non-radiative energy losses. This research demonstrates that low-cost noncovalently fused-ring electron acceptors are promising to achieve high-efficiency organic solar cells.
- Authors:
-
- Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, China
- State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an, China
- Center for Advanced Low-dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, China
- Engineering Research Center for Nanomaterials, Henan University, Kaifeng, 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); National Natural Science Foundation of China (NSFC)
- OSTI Identifier:
- 1624169
- Grant/Contract Number:
- AC02-05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nature Communications
- Additional Journal Information:
- Journal Volume: 10; Journal Issue: 1; Journal ID: ISSN 2041-1723
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- Science & Technology - Other Topics
Citation Formats
Huang, Hao, Guo, Qingxin, Feng, Shiyu, Zhang, Cai’e, Bi, Zhaozhao, Xue, Wenyue, Yang, Jinjin, Song, Jinsheng, Li, Cuihong, Xu, Xinjun, Tang, Zheng, Ma, Wei, and Bo, Zhishan. Noncovalently fused-ring electron acceptors with near-infrared absorption for high-performance organic solar cells. United States: N. p., 2019.
Web. doi:10.1038/s41467-019-11001-6.
Huang, Hao, Guo, Qingxin, Feng, Shiyu, Zhang, Cai’e, Bi, Zhaozhao, Xue, Wenyue, Yang, Jinjin, Song, Jinsheng, Li, Cuihong, Xu, Xinjun, Tang, Zheng, Ma, Wei, & Bo, Zhishan. Noncovalently fused-ring electron acceptors with near-infrared absorption for high-performance organic solar cells. United States. https://doi.org/10.1038/s41467-019-11001-6
Huang, Hao, Guo, Qingxin, Feng, Shiyu, Zhang, Cai’e, Bi, Zhaozhao, Xue, Wenyue, Yang, Jinjin, Song, Jinsheng, Li, Cuihong, Xu, Xinjun, Tang, Zheng, Ma, Wei, and Bo, Zhishan. Wed .
"Noncovalently fused-ring electron acceptors with near-infrared absorption for high-performance organic solar cells". United States. https://doi.org/10.1038/s41467-019-11001-6. https://www.osti.gov/servlets/purl/1624169.
@article{osti_1624169,
title = {Noncovalently fused-ring electron acceptors with near-infrared absorption for high-performance organic solar cells},
author = {Huang, Hao and Guo, Qingxin and Feng, Shiyu and Zhang, Cai’e and Bi, Zhaozhao and Xue, Wenyue and Yang, Jinjin and Song, Jinsheng and Li, Cuihong and Xu, Xinjun and Tang, Zheng and Ma, Wei and Bo, Zhishan},
abstractNote = {Non-fullerene fused-ring electron acceptors boost the power conversion efficiency of organic solar cells, but they suffer from high synthetic cost and low yield. Here, we show a series of low-cost noncovalently fused-ring electron acceptors, which consist of a ladder-like core locked by noncovalent sulfur–oxygen interactions and flanked by two dicyanoindanone electron-withdrawing groups. Compared with that of similar but unfused acceptor, the presence of ladder-like structure markedly broadens the absorption to the near-infrared region. In addition, the use of intramolecular noncovalent interactions avoids the tedious synthesis of covalently fused-ring structures and markedly lowers the synthetic cost. The optimized solar cells displayed an outstanding efficiency of 13.24%. More importantly, solar cells based on these acceptors demonstrate very low non-radiative energy losses. This research demonstrates that low-cost noncovalently fused-ring electron acceptors are promising to achieve high-efficiency organic solar cells.},
doi = {10.1038/s41467-019-11001-6},
journal = {Nature Communications},
number = 1,
volume = 10,
place = {United States},
year = {Wed Jul 10 00:00:00 EDT 2019},
month = {Wed Jul 10 00:00:00 EDT 2019}
}
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