A Chlorinated Donor Polymer Achieving High‐Performance Organic Solar Cells with a Wide Range of Polymer Molecular Weight
Abstract
Abstract In the field of non‐fullerene organic solar cells (OSCs), compared to the rapid development of non‐fullerene acceptors, the progress of high‐performance donor polymers is relatively slow. The property and performance of donor polymers in OSCs are often sensitive to the molecular weight of the polymers. In this study, a chlorinated donor polymer named D18‐Cl is reported, which can achieve high performance with a wide range of polymer molecular weight. The devices based on D18‐Cl show a higher open‐circuit voltage ( V OC ) due to the slightly deeper energy levels and an outstanding short‐circuit current density ( J SC ) owing to the appropriate long periods of blend films and less ([6,6]‐phenyl‐C71‐butyric acid methyl ester) (PC 71 BM) in mixed domains, leading to the higher efficiency of 17.97% than those of the D18‐based devices (17.21%). Meanwhile, D18‐Cl can achieve high efficiencies (17.30–17.97%) when its number‐averaged molecular weight ( M n ) is ranged from 45 to 72 kDa. In contrast, the D18‐based devices only exhibit relatively high efficiencies in a narrow M n range of ≈70 kDa. Such property and performance make D18‐Cl a promising donor polymer for scale‐up and low‐cost production.
- Authors:
-
[6]
- Department of Chemistry Guangdong‐Hong Kong‐Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction Hong Kong University of Science and Technology Clear Water Bay Kowloon Hong Kong SAR 999077 P. R. China, HKUST‐Shenzhen Research Institute No. 9 Yuexing 1st Road, Hi‐tech Park, Nanshan Shenzhen 518057 P. R. China
- Key Laboratory of Luminescence and Optical Information Ministry of Education Beijing Jiaotong University Beijing 100044 P. R. China
- State Key Laboratory for Mechanical Behavior of Materials Xi'an Jiaotong University Xi'an 710049 P. R. China
- Department of Physics and Organic and Carbon Electronics Laboratories (ORaCEL) North Carolina State University Raleigh NC 27695 USA
- Department of Materials Science and Engineering and The Shenzhen Key Laboratory for Printed Organic Electronics Southern University of Science and Technology (SUSTech) Xueyuan Road Shenzhen Guangdong 518055 P. R. China
- Department of Chemistry Guangdong‐Hong Kong‐Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction Hong Kong University of Science and Technology Clear Water Bay Kowloon Hong Kong SAR 999077 P. R. China, HKUST‐Shenzhen Research Institute No. 9 Yuexing 1st Road, Hi‐tech Park, Nanshan Shenzhen 518057 P. R. China, Institute of Polymer Optoelectronic Materials and Devices State Key Laboratory of Luminescent Materials and Devices South China University of Technology Guangzhou 510640 P. R. China
- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1797345
- Grant/Contract Number:
- DE‐AC02‐05CH11231
- Resource Type:
- Publisher's Accepted Manuscript
- Journal Name:
- Advanced Functional Materials
- Additional Journal Information:
- Journal Name: Advanced Functional Materials Journal Volume: 31 Journal Issue: 33; Journal ID: ISSN 1616-301X
- Publisher:
- Wiley Blackwell (John Wiley & Sons)
- Country of Publication:
- Germany
- Language:
- English
Citation Formats
Zeng, Anping, Ma, Xiaoling, Pan, Mingao, Chen, Yuzhong, Ma, Ruijie, Zhao, Heng, Zhang, Jianquan, Kim, Ha Kyung, Shang, Ao, Luo, Siwei, Angunawela, Indunil Chathurangani, Chang, Yuan, Qi, Zhenyu, Sun, Huiliang, Lai, Joshua Yuk Lin, Ade, Harald, Ma, Wei, Zhang, Fujun, and Yan, He. A Chlorinated Donor Polymer Achieving High‐Performance Organic Solar Cells with a Wide Range of Polymer Molecular Weight. Germany: N. p., 2021.
Web. doi:10.1002/adfm.202102413.
Zeng, Anping, Ma, Xiaoling, Pan, Mingao, Chen, Yuzhong, Ma, Ruijie, Zhao, Heng, Zhang, Jianquan, Kim, Ha Kyung, Shang, Ao, Luo, Siwei, Angunawela, Indunil Chathurangani, Chang, Yuan, Qi, Zhenyu, Sun, Huiliang, Lai, Joshua Yuk Lin, Ade, Harald, Ma, Wei, Zhang, Fujun, & Yan, He. A Chlorinated Donor Polymer Achieving High‐Performance Organic Solar Cells with a Wide Range of Polymer Molecular Weight. Germany. https://doi.org/10.1002/adfm.202102413
Zeng, Anping, Ma, Xiaoling, Pan, Mingao, Chen, Yuzhong, Ma, Ruijie, Zhao, Heng, Zhang, Jianquan, Kim, Ha Kyung, Shang, Ao, Luo, Siwei, Angunawela, Indunil Chathurangani, Chang, Yuan, Qi, Zhenyu, Sun, Huiliang, Lai, Joshua Yuk Lin, Ade, Harald, Ma, Wei, Zhang, Fujun, and Yan, He. Wed .
"A Chlorinated Donor Polymer Achieving High‐Performance Organic Solar Cells with a Wide Range of Polymer Molecular Weight". Germany. https://doi.org/10.1002/adfm.202102413.
@article{osti_1797345,
title = {A Chlorinated Donor Polymer Achieving High‐Performance Organic Solar Cells with a Wide Range of Polymer Molecular Weight},
author = {Zeng, Anping and Ma, Xiaoling and Pan, Mingao and Chen, Yuzhong and Ma, Ruijie and Zhao, Heng and Zhang, Jianquan and Kim, Ha Kyung and Shang, Ao and Luo, Siwei and Angunawela, Indunil Chathurangani and Chang, Yuan and Qi, Zhenyu and Sun, Huiliang and Lai, Joshua Yuk Lin and Ade, Harald and Ma, Wei and Zhang, Fujun and Yan, He},
abstractNote = {Abstract In the field of non‐fullerene organic solar cells (OSCs), compared to the rapid development of non‐fullerene acceptors, the progress of high‐performance donor polymers is relatively slow. The property and performance of donor polymers in OSCs are often sensitive to the molecular weight of the polymers. In this study, a chlorinated donor polymer named D18‐Cl is reported, which can achieve high performance with a wide range of polymer molecular weight. The devices based on D18‐Cl show a higher open‐circuit voltage ( V OC ) due to the slightly deeper energy levels and an outstanding short‐circuit current density ( J SC ) owing to the appropriate long periods of blend films and less ([6,6]‐phenyl‐C71‐butyric acid methyl ester) (PC 71 BM) in mixed domains, leading to the higher efficiency of 17.97% than those of the D18‐based devices (17.21%). Meanwhile, D18‐Cl can achieve high efficiencies (17.30–17.97%) when its number‐averaged molecular weight ( M n ) is ranged from 45 to 72 kDa. In contrast, the D18‐based devices only exhibit relatively high efficiencies in a narrow M n range of ≈70 kDa. Such property and performance make D18‐Cl a promising donor polymer for scale‐up and low‐cost production.},
doi = {10.1002/adfm.202102413},
journal = {Advanced Functional Materials},
number = 33,
volume = 31,
place = {Germany},
year = {Wed Jun 16 00:00:00 EDT 2021},
month = {Wed Jun 16 00:00:00 EDT 2021}
}
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