Dynamic hydrogen-bonding enables high-performance and mechanically robust organic solar cells processed with non-halogenated solvent
Abstract Developing active-layer systems with both high performance and mechanical robustness is a crucial step towards achieving future commercialization of flexible and stretchable organic solar cells (OSCs). Herein, we design and synthesize a series of acceptors BTA-C6, BTA-E3, BTA-E6, and BTA-E9...
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| Format: | Article |
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Nature Portfolio
2025-01-01
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| Series: | Nature Communications |
| Online Access: | https://doi.org/10.1038/s41467-024-55375-8 |
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| author | Haozhe He Xiaojun Li Jingyuan Zhang Zekun Chen Yufei Gong Hongmei Zhuo Xiangxi Wu Yuechen Li Shijie Wang Zhaozhao Bi Bohao Song Kangkang Zhou Tongling Liang Wei Ma Guanghao Lu Long Ye Lei Meng Ben Zhang Yaowen Li Yongfang Li |
| author_facet | Haozhe He Xiaojun Li Jingyuan Zhang Zekun Chen Yufei Gong Hongmei Zhuo Xiangxi Wu Yuechen Li Shijie Wang Zhaozhao Bi Bohao Song Kangkang Zhou Tongling Liang Wei Ma Guanghao Lu Long Ye Lei Meng Ben Zhang Yaowen Li Yongfang Li |
| author_sort | Haozhe He |
| collection | DOAJ |
| description | Abstract Developing active-layer systems with both high performance and mechanical robustness is a crucial step towards achieving future commercialization of flexible and stretchable organic solar cells (OSCs). Herein, we design and synthesize a series of acceptors BTA-C6, BTA-E3, BTA-E6, and BTA-E9, featuring the side chains of hexyl, and 3, 6, and 9 carbon-chain with ethyl ester end groups respectively. Benefiting from suitable phase separation and vertical phase distribution, the PM6:BTA-E3-based OSCs processed by o-xylene exhibit lower energy loss and improved charge transport characteristic and achieve a power conversion efficiency of 19.92% (certified 19.57%), which stands as the highest recorded value in binary OSCs processed by green solvents. Moreover, due to the additional hydrogen-bonding provided by ethyl ester side chain, the PM6:BTA-E3-based active-layer systems achieve enhanced stretchability and thermal stability. Our work reveals the significance of dynamic hydrogen-bonding in improving the photovoltaic performance, mechanical robustness, and morphological stability of OSCs. |
| format | Article |
| id | doaj-art-6f7143899fa542aaaec739432f1b43ff |
| institution | Kabale University |
| issn | 2041-1723 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Nature Communications |
| spelling | doaj-art-6f7143899fa542aaaec739432f1b43ff2025-01-19T12:31:58ZengNature PortfolioNature Communications2041-17232025-01-0116111410.1038/s41467-024-55375-8Dynamic hydrogen-bonding enables high-performance and mechanically robust organic solar cells processed with non-halogenated solventHaozhe He0Xiaojun Li1Jingyuan Zhang2Zekun Chen3Yufei Gong4Hongmei Zhuo5Xiangxi Wu6Yuechen Li7Shijie Wang8Zhaozhao Bi9Bohao Song10Kangkang Zhou11Tongling Liang12Wei Ma13Guanghao Lu14Long Ye15Lei Meng16Ben Zhang17Yaowen Li18Yongfang Li19CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of SciencesCAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of SciencesCAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of SciencesCAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of SciencesCAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of SciencesCAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of SciencesCAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of SciencesCAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of SciencesState Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong UniversityState Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong UniversityFrontier Institute of Science and Technology, and State Key Laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong UniversitySchool of Materials Science and Engineering, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin UniversitySchool of Chemical Science, University of Chinese Academy of SciencesState Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong UniversityFrontier Institute of Science and Technology, and State Key Laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong UniversitySchool of Materials Science and Engineering, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin UniversityCAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of SciencesLaboratory of Advanced Optoelectronic Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow UniversityLaboratory of Advanced Optoelectronic Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow UniversityCAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of SciencesAbstract Developing active-layer systems with both high performance and mechanical robustness is a crucial step towards achieving future commercialization of flexible and stretchable organic solar cells (OSCs). Herein, we design and synthesize a series of acceptors BTA-C6, BTA-E3, BTA-E6, and BTA-E9, featuring the side chains of hexyl, and 3, 6, and 9 carbon-chain with ethyl ester end groups respectively. Benefiting from suitable phase separation and vertical phase distribution, the PM6:BTA-E3-based OSCs processed by o-xylene exhibit lower energy loss and improved charge transport characteristic and achieve a power conversion efficiency of 19.92% (certified 19.57%), which stands as the highest recorded value in binary OSCs processed by green solvents. Moreover, due to the additional hydrogen-bonding provided by ethyl ester side chain, the PM6:BTA-E3-based active-layer systems achieve enhanced stretchability and thermal stability. Our work reveals the significance of dynamic hydrogen-bonding in improving the photovoltaic performance, mechanical robustness, and morphological stability of OSCs.https://doi.org/10.1038/s41467-024-55375-8 |
| spellingShingle | Haozhe He Xiaojun Li Jingyuan Zhang Zekun Chen Yufei Gong Hongmei Zhuo Xiangxi Wu Yuechen Li Shijie Wang Zhaozhao Bi Bohao Song Kangkang Zhou Tongling Liang Wei Ma Guanghao Lu Long Ye Lei Meng Ben Zhang Yaowen Li Yongfang Li Dynamic hydrogen-bonding enables high-performance and mechanically robust organic solar cells processed with non-halogenated solvent Nature Communications |
| title | Dynamic hydrogen-bonding enables high-performance and mechanically robust organic solar cells processed with non-halogenated solvent |
| title_full | Dynamic hydrogen-bonding enables high-performance and mechanically robust organic solar cells processed with non-halogenated solvent |
| title_fullStr | Dynamic hydrogen-bonding enables high-performance and mechanically robust organic solar cells processed with non-halogenated solvent |
| title_full_unstemmed | Dynamic hydrogen-bonding enables high-performance and mechanically robust organic solar cells processed with non-halogenated solvent |
| title_short | Dynamic hydrogen-bonding enables high-performance and mechanically robust organic solar cells processed with non-halogenated solvent |
| title_sort | dynamic hydrogen bonding enables high performance and mechanically robust organic solar cells processed with non halogenated solvent |
| url | https://doi.org/10.1038/s41467-024-55375-8 |
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