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Organic nanocrystal...
Organic nanocrystals induced surface passivation towards high-efficiency and stable perovskite solar cells
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- Wang, Xin (author)
- Shanghai Jiao Tong Univ, Peoples R China
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- Qiu, Yuankun (author)
- Shanghai Jiao Tong Univ, Peoples R China
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- Wang, Luyao (author)
- Shanghai Jiao Tong Univ, Peoples R China
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- Zhang, Tiankai (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Zhu, Lei (author)
- Shanghai Jiao Tong Univ, Peoples R China
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- Shan, Tong (author)
- Shanghai Jiao Tong Univ, Peoples R China
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- Wang, Yong (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Jiang, Jinkun (author)
- Shanghai Jiao Tong Univ, Peoples R China
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- Kong, Lingti (author)
- Shanghai Jiao Tong Univ, Peoples R China
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- Zhong, Hongliang (author)
- Shanghai Jiao Tong Univ, Peoples R China
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- Yu, Haomiao (author)
- Beijing Jiaotong Univ, Peoples R China
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- Liu, Feng (author)
- Shanghai Jiao Tong Univ, Peoples R China
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- Gao, Feng (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Wang, Feng (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Chen, Chun-Chao (author)
- Shanghai Jiao Tong Univ, Peoples R China
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(creator_code:org_t)
- ELSEVIER, 2021
- 2021
- English.
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In: Nano Energy. - : ELSEVIER. - 2211-2855 .- 2211-3282. ; 89
- Related links:
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https://liu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Surface passivation has played a critical role for efficient and stable perovskite solar cells by reducing surface defects, promoting charge transport, and preventing the penetration of degrading agents. State-of-the-art passivation approaches mainly rely on the formation of a two-dimensional (2D) perovskite layer or the deposition of an ultrathin layer based on the molecular design. Here, we demonstrated a novel nanocrystal-pinning passivation by dripping 2-bromoethyltrimethylammonium bromide (BETAB) colloidal solution onto perovskite films. Theoretical simulation and kinds of experimental results confirm that BETAB nanocrystals can effectively reduce the defect density of perovskite films. Impressively, the resulting FA1-xMAxPbI3 based planar devices exhibit a champion power conversion efficiency (PCE) of 23.04% (certified: 22.10%) with a voltage loss of only 390 mV. Besides, the BETAB nanocrystals could simultaneously increase the hydrophobic property of perovskite films and prevent the reaction and formation of 2D perovskites during device operation. Correspondingly, the resulted devices exhibit excellent stability under moisture, heating, and operational tracking conditions.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- Organic nanocrystals; Surface passivation; High efficiency; Perovskite solar cells; Enhanced stability
Publication and Content Type
- ref (subject category)
- art (subject category)
Find in a library
To the university's database
- By the author/editor
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Wang, Xin
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Qiu, Yuankun
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Wang, Luyao
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Zhang, Tiankai
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Zhu, Lei
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Shan, Tong
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show more...
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Wang, Yong
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Jiang, Jinkun
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Kong, Lingti
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Zhong, Hongliang
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Yu, Haomiao
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Liu, Feng
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Gao, Feng
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Wang, Feng
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Chen, Chun-Chao
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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Nano Energy
- By the university
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Linköping University