Non-Equivalent Donor-Acceptor Type Polymers as Dopant-Free Hole-Transporting Materials for Perovskite Solar Cells
© 2024 Wiley-VCH GmbH..
Electron donor (D)-electron acceptor (A) type conjugated polymers present bright prospects as dopant-free hole-transporting materials (HTMs) for perovskite solar cells (PVSCs). Most of the reported D-A polymeric HTMs contain equivalent amounts of D and A units, while the appropriate excess proportion of D units could optimize the aggregation state of polymer chains and improve the hole transport properties of the polymers. Herein, a non-equivalent D-A copolymerization strategy was utilized to develop three indacenodithiophene-benzotriazole-based polymeric HTMs for PVSCs, named as F-10, F-15, and F-20, and the equivalent D-A polymer F-00 was studied in parallel. Effects of D : A ratio on the hole transport properties of these D-A type polymeric HTMs, including energy level, molecular stacking, hole mobility, and surface morphology, were investigated by theoretical simulation and test analysis. F-15 performed best due to the appropriate D : A ratio, endowing the PVSCs a champion power conversion efficiency of 20.37 % with high stability, which confirms the fine-tuning D : A ratio via non-equivalent D-A copolymerization strategy is very helpful to construct D-A type polymeric HTMs for high-performance PVSCs.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2024 |
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| Enthalten in: |
ChemSusChem - (2024) vom: 05. März, Seite e202301489 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Chen, Haotian [VerfasserIn] |
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| Links: |
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| Themen: |
Dopant-free |
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| Anmerkungen: |
Date Revised 05.03.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1002/cssc.202301489 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM369313747 |
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| 520 | |a Electron donor (D)-electron acceptor (A) type conjugated polymers present bright prospects as dopant-free hole-transporting materials (HTMs) for perovskite solar cells (PVSCs). Most of the reported D-A polymeric HTMs contain equivalent amounts of D and A units, while the appropriate excess proportion of D units could optimize the aggregation state of polymer chains and improve the hole transport properties of the polymers. Herein, a non-equivalent D-A copolymerization strategy was utilized to develop three indacenodithiophene-benzotriazole-based polymeric HTMs for PVSCs, named as F-10, F-15, and F-20, and the equivalent D-A polymer F-00 was studied in parallel. Effects of D : A ratio on the hole transport properties of these D-A type polymeric HTMs, including energy level, molecular stacking, hole mobility, and surface morphology, were investigated by theoretical simulation and test analysis. F-15 performed best due to the appropriate D : A ratio, endowing the PVSCs a champion power conversion efficiency of 20.37 % with high stability, which confirms the fine-tuning D : A ratio via non-equivalent D-A copolymerization strategy is very helpful to construct D-A type polymeric HTMs for high-performance PVSCs | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a hole-transporting materials | |
| 650 | 4 | |a n-i-p structure | |
| 650 | 4 | |a non-equivalent D-A polymers | |
| 650 | 4 | |a perovskite solar cells | |
| 700 | 1 | |a He, Zhichao |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Xuelin |e verfasserin |4 aut | |
| 700 | 1 | |a Yao, Lu |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Chunyan |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Zhonggao |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Kan |e verfasserin |4 aut | |
| 700 | 1 | |a Ling, Qidan |e verfasserin |4 aut | |
| 700 | 1 | |a Zhen, Hongyu |e verfasserin |4 aut | |
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