Ordered Perovskite Structure with Functional Units for High Performance and Stable Solar Cells
© 2024 Wiley‐VCH GmbH..
Ion migration is one of the most critical challenges that affects the stability of metal-halide perovskite solar cells (PSCs). However, the current arsenal of available strategies for solving this issue is limited. Here, novel perovskite active layers following the concept of ordered structures with functional units (OSFU) to intrinsically suppress ion migration, in which a three-dimensional (3D) perovskite layer is deposited by vapor deposition for light absorption and a 2D layer is deposited by solution process for ion inhibition, are constructed. As a promising result, the activation energy of ion migration increases from 0.36 eV for the conventional perovskite to 0.54 eV for the OSFU perovskite. These devices exhibit substantially enhanced operational stability in comparison with the conventional ones, retaining >85% of their initial efficiencies after 1200 h under ISOS-L-1. Moreover, the OSFU devices show negligible fatigue behavior with a robust performance under light/dark cycling aging test (ISOS-LC-1 protocol), which demonstrates the promising application of functional motif theory in this field.
| 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: |
Advanced materials (Deerfield Beach, Fla.) - (2024) vom: 03. Apr., Seite e2401416 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Yulong [VerfasserIn] |
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| Links: |
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| Themen: |
Fatigue behavior |
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| Anmerkungen: |
Date Revised 11.04.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1002/adma.202401416 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM370608054 |
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| 500 | |a published: Print-Electronic | ||
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| 520 | |a © 2024 Wiley‐VCH GmbH. | ||
| 520 | |a Ion migration is one of the most critical challenges that affects the stability of metal-halide perovskite solar cells (PSCs). However, the current arsenal of available strategies for solving this issue is limited. Here, novel perovskite active layers following the concept of ordered structures with functional units (OSFU) to intrinsically suppress ion migration, in which a three-dimensional (3D) perovskite layer is deposited by vapor deposition for light absorption and a 2D layer is deposited by solution process for ion inhibition, are constructed. As a promising result, the activation energy of ion migration increases from 0.36 eV for the conventional perovskite to 0.54 eV for the OSFU perovskite. These devices exhibit substantially enhanced operational stability in comparison with the conventional ones, retaining >85% of their initial efficiencies after 1200 h under ISOS-L-1. Moreover, the OSFU devices show negligible fatigue behavior with a robust performance under light/dark cycling aging test (ISOS-LC-1 protocol), which demonstrates the promising application of functional motif theory in this field | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a fatigue behavior | |
| 650 | 4 | |a functional units | |
| 650 | 4 | |a ion migration | |
| 650 | 4 | |a perovskite solar cells | |
| 650 | 4 | |a stability | |
| 700 | 1 | |a Chen, Jiahui |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Yuxi |e verfasserin |4 aut | |
| 700 | 1 | |a Tan, Wen Liang |e verfasserin |4 aut | |
| 700 | 1 | |a Ku, Zhiliang |e verfasserin |4 aut | |
| 700 | 1 | |a Yuan, Yongbo |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Qi |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Wenchao |e verfasserin |4 aut | |
| 700 | 1 | |a McNeill, Christopher R |e verfasserin |4 aut | |
| 700 | 1 | |a Cheng, Yi-Bing |e verfasserin |4 aut | |
| 700 | 1 | |a Lu, Jianfeng |e verfasserin |4 aut | |
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