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Asymmetric electron...
Asymmetric electron acceptor enables highly luminescent organic solar cells with certified efficiency over 18%
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- He, Chengliang (author)
- Zhejiang Univ, Peoples R China
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- Chen, Zeng (author)
- Zhejiang Univ, Peoples R China
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- Wang, Tonghui (author)
- Univ Arizona, AR 85721 USA
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- Shen, Ziqiu (author)
- Zhejiang Univ, Peoples R China
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- Li, Yaokai (author)
- Zhejiang Univ, Peoples R China
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- Zhou, Jiadong (author)
- South China Univ Technol, Peoples R China
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- Yu, Jianwei (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Fang, Huiyu (author)
- Xi An Jiao Tong Univ, Peoples R China
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- Li, Yuhao (author)
- Chinese Univ Hong Kong, Peoples R China
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- Li, Shuixing (author)
- Zhejiang Univ, Peoples R China
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- Lu, Xinhui (author)
- Chinese Univ Hong Kong, Peoples R China
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- Ma, Wei (author)
- Xi An 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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- Xie, Zengqi (author)
- South China Univ Technol, Peoples R China
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- Coropceanu, Veaceslav (author)
- Univ Arizona, AR 85721 USA
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- Zhu, Haiming (author)
- Zhejiang Univ, Peoples R China
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- Bredas, Jean-Luc (author)
- Univ Arizona, AR 85721 USA
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- Zuo, Lijian (author)
- Zhejiang Univ, Peoples R China; Zhejiang Univ, Peoples R China
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- Chen, Hongzheng (author)
- Zhejiang Univ, Peoples R China
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(creator_code:org_t)
- 2022-05-11
- 2022
- English.
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In: Nature Communications. - : NATURE PORTFOLIO. - 2041-1723. ; 13:1
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- Enhancing the luminescence property without sacrificing the charge collection is one key to high-performance organic solar cells (OSCs), while limited by the severe non-radiative charge recombination. Here, we demonstrate efficient OSCs with high luminescence via the design and synthesis of an asymmetric non-fullerene acceptor, BO-5Cl. Blending BO-5Cl with the PM6 donor leads to a record-high electroluminescence external quantum efficiency of 0.1%, which results in a low non-radiative voltage loss of 0.178 eV and a power conversion efficiency (PCE) over 15%. Importantly, incorporating BO-5Cl as the third component into a widely-studied donor:acceptor (D:A) blend, PM6:BO-4Cl, allows device displaying a high certified PCE of 18.2%. Our joint experimental and theoretical studies unveil that more diverse D:A interfacial conformations formed by asymmetric acceptor induce optimized blend interfacial energetics, which contributes to the improved device performance via balancing charge generation and recombination. High-performance organic solar cells call for novel designs of acceptor molecules. Here, He et al. design and synthesize a non-fullerene acceptor with an asymmetric structure for diverse donor:acceptor interfacial conformations and report a certificated power conversion efficiency of 18.2%.
Subject headings
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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He, Chengliang
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Chen, Zeng
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Wang, Tonghui
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Shen, Ziqiu
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Li, Yaokai
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Zhou, Jiadong
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show more...
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Yu, Jianwei
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Fang, Huiyu
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Li, Yuhao
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Li, Shuixing
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Lu, Xinhui
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Ma, Wei
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Gao, Feng
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Xie, Zengqi
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Coropceanu, Veac ...
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Zhu, Haiming
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Bredas, Jean-Luc
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Zuo, Lijian
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Chen, Hongzheng
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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 Other Physics To ...
- Articles in the publication
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Nature Communica ...
- By the university
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Linköping University