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Side-Chain Engineer...
Side-Chain Engineering for Enhancing the Molecular Rigidity and Photovoltaic Performance of Noncovalently Fused-Ring Electron Acceptors
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- Zhang, Xin (författare)
- Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China
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- Li, Congqi (författare)
- Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China
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- Qin, Linqing (författare)
- Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China
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- Chen, Hao (författare)
- Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China
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- Yu, Jianwei (författare)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Wei, Yanan (författare)
- Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China
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- Liu, Xingzheng (författare)
- Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China
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- Zhang, Jianqi (författare)
- Ctr Excellence Nanosci CAS, Peoples R China; Natl Ctr Nanosci & Technol, Peoples R China
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- Wei, Zhixiang (författare)
- Ctr Excellence Nanosci CAS, Peoples R China; Natl Ctr Nanosci & Technol, Peoples R China
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- Gao, Feng (författare)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Peng, Qian (författare)
- Univ Chinese Acad Sci, Peoples R China
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- Huang, Hui (författare)
- Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China
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(creator_code:org_t)
- 2021-06-30
- 2021
- Engelska.
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Ingår i: Angewandte Chemie International Edition. - : WILEY-V C H VERLAG GMBH. - 1433-7851 .- 1521-3773. ; 60:32, s. 17720-17725
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Side-chain engineering is an effective strategy to regulate the solubility and packing behavior of organic materials. Recently, a unique strategy, so-called terminal side-chain (T-SC) engineering, has attracted much attention in the field of organic solar cells (OSCs), but there is a lack of deep understanding of the mechanism. Herein, a new noncovalently fused-ring electron acceptor (NFREA) containing two T-SCs (NoCA-5) was designed and synthesized. Introduction of T-SCs can enhance molecular rigidity and intermolecular pi-pi stacking, which is confirmed by the smaller Stokes shift value, lower reorganization free energy, and shorter pi-pi stacking distance in comparison to NoCA-1. Hence, the NoCA-5-based device exhibits a record power conversion efficiency (PCE) of 14.82 % in labs and a certified PCE of 14.5 %, resulting from a high electron mobility, a short charge-extraction time, a small Urbach energy (E-u), and a favorable phase separation.
Ämnesord
- NATURVETENSKAP -- Kemi -- Annan kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Other Chemistry Topics (hsv//eng)
Nyckelord
- molecular rigidity; noncovalently fused-ring electron acceptors; organic solar cells; terminal side chains
Publikations- och innehållstyp
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Till lärosätets databas
- Av författaren/redakt...
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Zhang, Xin
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Li, Congqi
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Qin, Linqing
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Chen, Hao
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Yu, Jianwei
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Wei, Yanan
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Liu, Xingzheng
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Zhang, Jianqi
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Wei, Zhixiang
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Gao, Feng
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Peng, Qian
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Huang, Hui
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- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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och Annan kemi
- Artiklar i publikationen
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Angewandte Chemi ...
- Av lärosätet
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Linköpings universitet