PC71BM as Morphology Regulator for Highly Efficient Ternary Organic Solar Cells with Bulk Heterojunction or Layer-by-Layer Configuration
© 2023 Wiley‐VCH GmbH..
The ternary strategy is one of the effective methods to regulate the morphology of the active layer in organic solar cells (OSCs). In this work, the ternary OSCs with bulk heterojunction (BHJ) or layer-by-layer (LbL) active layers are prepared by using the polymer donor PM6 and the non-fullerene acceptor L8-BO as the main system and the fullerene acceptor PC71BM as the third component. The power conversion efficiencies (PCEs) of BHJ OSCs and LbL OSCs are increased from 17.10% to 18.02% and from 17.20% to 18.20% by introducing PC71BM into the binary active layer, respectively. The in situ UV-vis absorption spectra indicate that the molecular aggregation and crystallization process can be prolonged by introducing PC71BM into the PM6:L8-BO or PM6/L8-BO active layer. The molecular orientation and molecular crystallinity in the active layer are optimized by introducing the PC71BM into the binary BHJ or LbL active layers, which can be confirmed by the experimental results of grazing incidence wide-angle X-ray scattering. This study demonstrates that the third component PC71BM can be used as a morphology regulator to regulate the morphology of BHJ or LbL active layers, thus effectively improving the performance of BHJ and LbL OSCs.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:20 |
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| Enthalten in: |
Small (Weinheim an der Bergstrasse, Germany) - 20(2024), 12 vom: 01. März, Seite e2308216 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhou, Hang [VerfasserIn] |
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| Links: |
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| Themen: |
Journal Article |
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| Anmerkungen: |
Date Revised 23.03.2024 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/smll.202308216 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a The ternary strategy is one of the effective methods to regulate the morphology of the active layer in organic solar cells (OSCs). In this work, the ternary OSCs with bulk heterojunction (BHJ) or layer-by-layer (LbL) active layers are prepared by using the polymer donor PM6 and the non-fullerene acceptor L8-BO as the main system and the fullerene acceptor PC71BM as the third component. The power conversion efficiencies (PCEs) of BHJ OSCs and LbL OSCs are increased from 17.10% to 18.02% and from 17.20% to 18.20% by introducing PC71BM into the binary active layer, respectively. The in situ UV-vis absorption spectra indicate that the molecular aggregation and crystallization process can be prolonged by introducing PC71BM into the PM6:L8-BO or PM6/L8-BO active layer. The molecular orientation and molecular crystallinity in the active layer are optimized by introducing the PC71BM into the binary BHJ or LbL active layers, which can be confirmed by the experimental results of grazing incidence wide-angle X-ray scattering. This study demonstrates that the third component PC71BM can be used as a morphology regulator to regulate the morphology of BHJ or LbL active layers, thus effectively improving the performance of BHJ and LbL OSCs | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a organic solar cells | |
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| 700 | 1 | |a Liu, Chunxiang |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Shaofei |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Zijian |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Shixiu |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Wenjing |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Xiaoling |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Jian |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Yujie |e verfasserin |4 aut | |
| 700 | 1 | |a Du, Xiaoyan |e verfasserin |4 aut | |
| 700 | 1 | |a Jeong, Sang Young |e verfasserin |4 aut | |
| 700 | 1 | |a Woo, Han Young |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Fujun |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Qianqian |e verfasserin |4 aut | |
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