Lewis Acid Doping Induced Synergistic Effects on Electronic and Morphological Structure for Donor and Acceptor in Polymer Solar Cells
Abstract
Abstract Due to the attraction of optimizing the electronic structure beyond chemical synthesis, molecular doping has recently aroused wide interest in the field of organic solar cells. However, the selection of limited dopants confines its successful application. Inspired by the Lewis base characteristics of the photovoltaic materials, the Lewis acid as novel dopant is introduced in organic solar cells. In both fullerene and nonfullerene based blends, Lewis acid doping leads to increased photovoltaic performance. Detailed experiments reveal that Lewis acid doping has a synergistic effect on modifying the polymer's electronic properties and the acceptor's nanostructure even at low doping concentration, and these are simultaneously responsible for the device improvements. Based on the mechanism studies, it is proposed that the Lewis acid‐doped polymers anions produce induced dipole on the acceptor, this increases the intermolecular interaction and facilitates the morphology optimization. It is believed that the synergistic effect by Lewis acid doping greatly expands the application of doped organic solar cells, in concert with other existing methods to yield higher efficiency values.
- Authors:
-
[1]
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University Xi'an 710049 P. R. China
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University Xi'an 710049 P. R. China, Biomolecular and Organic Electronics IFM Linköping University SE‐581 83 Linköping Sweden
- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1430555
- 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: 8 Journal Issue: 19; Journal ID: ISSN 1614-6832
- Publisher:
- Wiley Blackwell (John Wiley & Sons)
- Country of Publication:
- Germany
- Language:
- English
Citation Formats
Yan, Han, Chen, Jianya, Zhou, Ke, Tang, Yabing, Meng, Xiangyi, Xu, Xianbin, and Ma, Wei. Lewis Acid Doping Induced Synergistic Effects on Electronic and Morphological Structure for Donor and Acceptor in Polymer Solar Cells. Germany: N. p., 2018.
Web. doi:10.1002/aenm.201703672.
Yan, Han, Chen, Jianya, Zhou, Ke, Tang, Yabing, Meng, Xiangyi, Xu, Xianbin, & Ma, Wei. Lewis Acid Doping Induced Synergistic Effects on Electronic and Morphological Structure for Donor and Acceptor in Polymer Solar Cells. Germany. https://doi.org/10.1002/aenm.201703672
Yan, Han, Chen, Jianya, Zhou, Ke, Tang, Yabing, Meng, Xiangyi, Xu, Xianbin, and Ma, Wei. Thu .
"Lewis Acid Doping Induced Synergistic Effects on Electronic and Morphological Structure for Donor and Acceptor in Polymer Solar Cells". Germany. https://doi.org/10.1002/aenm.201703672.
@article{osti_1430555,
title = {Lewis Acid Doping Induced Synergistic Effects on Electronic and Morphological Structure for Donor and Acceptor in Polymer Solar Cells},
author = {Yan, Han and Chen, Jianya and Zhou, Ke and Tang, Yabing and Meng, Xiangyi and Xu, Xianbin and Ma, Wei},
abstractNote = {Abstract Due to the attraction of optimizing the electronic structure beyond chemical synthesis, molecular doping has recently aroused wide interest in the field of organic solar cells. However, the selection of limited dopants confines its successful application. Inspired by the Lewis base characteristics of the photovoltaic materials, the Lewis acid as novel dopant is introduced in organic solar cells. In both fullerene and nonfullerene based blends, Lewis acid doping leads to increased photovoltaic performance. Detailed experiments reveal that Lewis acid doping has a synergistic effect on modifying the polymer's electronic properties and the acceptor's nanostructure even at low doping concentration, and these are simultaneously responsible for the device improvements. Based on the mechanism studies, it is proposed that the Lewis acid‐doped polymers anions produce induced dipole on the acceptor, this increases the intermolecular interaction and facilitates the morphology optimization. It is believed that the synergistic effect by Lewis acid doping greatly expands the application of doped organic solar cells, in concert with other existing methods to yield higher efficiency values.},
doi = {10.1002/aenm.201703672},
journal = {Advanced Energy Materials},
number = 19,
volume = 8,
place = {Germany},
year = {Thu Mar 29 00:00:00 EDT 2018},
month = {Thu Mar 29 00:00:00 EDT 2018}
}
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https://doi.org/10.1002/aenm.201703672
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