Reduced Nonradiative Energy Loss Caused by Aggregation of Nonfullerene Acceptor in Organic Solar Cells
Abstract
Abstract Reducing energy loss ( E loss ) is of critical importance to improving the photovoltaic performance of organic solar cells (OSCs). Although nonradiative recombination () is investigated in quite a few works, the method for modulating is seldom reported. Here, a new method of depressing E loss is reported for nonfullerene OSCs. In addition to ternary‐blend bulk heterojunction (BHJ) solar cells, it is proved that a small molecular material (NRM‐1) can be selectively dispersed into the acceptor phase in the PBDB‐T:IT‐4F‐based OSC, resulting in lower and , and hence a significant improvement in the open‐circuit voltage ( V OC ); under an optimal feed ratio of NRM‐1, an enhanced power conversion efficiency can also be gained. Moreover, the role of NRM‐1 in the method is illustrated and its applicability for several other representative OSCs is validated. This work paves a new pathway to reduce the E loss for nonfullerene OSCs.
- Authors:
-
[1]
- School of Chemistry and Biology Engineering University of Science and Technology Beijing Beijing 100083 China, State Key Laboratory of Polymer Physics and Chemistry Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- State Key Laboratory of Polymer Physics and Chemistry Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- Department of Physics North Carolina State University Raleigh NC 27695 USA
- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1547574
- Grant/Contract Number:
- DE‐AC02‐05CH11231
- Resource Type:
- Publisher's Accepted Manuscript
- Journal Name:
- Advanced Energy Materials
- Additional Journal Information:
- Journal Name: Advanced Energy Materials Journal Volume: 9 Journal Issue: 35; Journal ID: ISSN 1614-6832
- Publisher:
- Wiley Blackwell (John Wiley & Sons)
- Country of Publication:
- Germany
- Language:
- English
Citation Formats
Qin, Yunpeng, Zhang, Shaoqing, Xu, Ye, Ye, Long, Wu, Yi, Kong, Jingyi, Xu, Bowei, Yao, Huifeng, Ade, Harald, and Hou, Jianhui. Reduced Nonradiative Energy Loss Caused by Aggregation of Nonfullerene Acceptor in Organic Solar Cells. Germany: N. p., 2019.
Web. doi:10.1002/aenm.201901823.
Qin, Yunpeng, Zhang, Shaoqing, Xu, Ye, Ye, Long, Wu, Yi, Kong, Jingyi, Xu, Bowei, Yao, Huifeng, Ade, Harald, & Hou, Jianhui. Reduced Nonradiative Energy Loss Caused by Aggregation of Nonfullerene Acceptor in Organic Solar Cells. Germany. https://doi.org/10.1002/aenm.201901823
Qin, Yunpeng, Zhang, Shaoqing, Xu, Ye, Ye, Long, Wu, Yi, Kong, Jingyi, Xu, Bowei, Yao, Huifeng, Ade, Harald, and Hou, Jianhui. Wed .
"Reduced Nonradiative Energy Loss Caused by Aggregation of Nonfullerene Acceptor in Organic Solar Cells". Germany. https://doi.org/10.1002/aenm.201901823.
@article{osti_1547574,
title = {Reduced Nonradiative Energy Loss Caused by Aggregation of Nonfullerene Acceptor in Organic Solar Cells},
author = {Qin, Yunpeng and Zhang, Shaoqing and Xu, Ye and Ye, Long and Wu, Yi and Kong, Jingyi and Xu, Bowei and Yao, Huifeng and Ade, Harald and Hou, Jianhui},
abstractNote = {Abstract Reducing energy loss ( E loss ) is of critical importance to improving the photovoltaic performance of organic solar cells (OSCs). Although nonradiative recombination () is investigated in quite a few works, the method for modulating is seldom reported. Here, a new method of depressing E loss is reported for nonfullerene OSCs. In addition to ternary‐blend bulk heterojunction (BHJ) solar cells, it is proved that a small molecular material (NRM‐1) can be selectively dispersed into the acceptor phase in the PBDB‐T:IT‐4F‐based OSC, resulting in lower and , and hence a significant improvement in the open‐circuit voltage ( V OC ); under an optimal feed ratio of NRM‐1, an enhanced power conversion efficiency can also be gained. Moreover, the role of NRM‐1 in the method is illustrated and its applicability for several other representative OSCs is validated. This work paves a new pathway to reduce the E loss for nonfullerene OSCs.},
doi = {10.1002/aenm.201901823},
journal = {Advanced Energy Materials},
number = 35,
volume = 9,
place = {Germany},
year = {Wed Aug 07 00:00:00 EDT 2019},
month = {Wed Aug 07 00:00:00 EDT 2019}
}
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