Green-solvent Processable Dopant-free Hole Transporting Materials for Inverted Perovskite Solar Cells
© 2023 Wiley-VCH GmbH..
The commercialization of perovskite solar cells (PVSCs) urgently requires the development of green-solvent processable dopant-free hole transporting materials (HTMs). However, strong intermolecular interactions that ensure high hole mobility always compromise the solubility and film-forming ability in green solvents. Herein, we show a simple but effective design strategy to solve this trade-off, that is, constructing star-shaped D-A-D structure. The resulting HTMs (BTP1-2) can be processed by green solvent of 2-methylanisole (2MA), a kind of food additive, and show high hole mobility and multiple defect passivation effects. An impressive efficiency of 24.34 % has been achieved for 2MA-processed BTP1 based inverted PVSCs, the highest value for green-solvent processable HTMs so far. Moreover, it is manifested that the charge separation of D-A type HTMs at the photoinduced excited state can help to passivate the defects of perovskites, indicating a new HTM design insight.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:62 |
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| Enthalten in: |
Angewandte Chemie (International ed. in English) - 62(2023), 11 vom: 06. März, Seite e202218752 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yu, XinYu [VerfasserIn] |
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| Links: |
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| Themen: |
Dopant-Free |
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| Anmerkungen: |
Date Completed 28.02.2023 Date Revised 28.02.2023 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/anie.202218752 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM351593209 |
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| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a © 2023 Wiley-VCH GmbH. | ||
| 520 | |a The commercialization of perovskite solar cells (PVSCs) urgently requires the development of green-solvent processable dopant-free hole transporting materials (HTMs). However, strong intermolecular interactions that ensure high hole mobility always compromise the solubility and film-forming ability in green solvents. Herein, we show a simple but effective design strategy to solve this trade-off, that is, constructing star-shaped D-A-D structure. The resulting HTMs (BTP1-2) can be processed by green solvent of 2-methylanisole (2MA), a kind of food additive, and show high hole mobility and multiple defect passivation effects. An impressive efficiency of 24.34 % has been achieved for 2MA-processed BTP1 based inverted PVSCs, the highest value for green-solvent processable HTMs so far. Moreover, it is manifested that the charge separation of D-A type HTMs at the photoinduced excited state can help to passivate the defects of perovskites, indicating a new HTM design insight | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a Green Solvent | |
| 650 | 4 | |a Hole Transporting Material | |
| 650 | 4 | |a Passivation | |
| 650 | 4 | |a Perovskite Solar Cell | |
| 700 | 1 | |a Gao, Danpeng |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Zhen |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Xianglang |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Bo |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Zonglong |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Zhong'an |e verfasserin |4 aut | |
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