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Understanding energ...
Understanding energetic disorder in electron-deficient-core-based non-fullerene solar cells
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- Yuan, Jun (författare)
- Cent South Univ, Peoples R China
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- Zhang, Chujun (författare)
- Hong Kong Baptist Univ, Peoples R China
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- Chen, Honggang (författare)
- Cent South Univ, Peoples R China; Chinese Acad Sci, Peoples R China
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- Zhu, Can (författare)
- Cent South Univ, Peoples R China; Chinese Acad Sci, Peoples R China
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- Cheung, Sin Hang (författare)
- Hong Kong Baptist Univ, Peoples R China
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- Qiu, Beibei (författare)
- Chinese Acad Sci, Peoples R China
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- Cai, Fangfang (författare)
- Cent South Univ, Peoples R China
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- Wei, Qingya (författare)
- Cent South Univ, Peoples R China
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- Liu, Wei (författare)
- Cent South Univ, Peoples R China
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- Yin, Hang (författare)
- Hong Kong Baptist Univ, Peoples R China
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- Zhang, Rui (författare)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Zhang, Jidong (författare)
- Chinese Acad Sci, Peoples R China
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- Liu, Ye (författare)
- Cent South Univ, Peoples R China
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- Zhang, Huotian (författare)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Liu, Weifang (författare)
- Cent South Univ, Peoples R China
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- Peng, Hongjian (författare)
- Cent South Univ, Peoples R China
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- Yang, Junliang (författare)
- Proc Sch Phys and Elect, Peoples R China
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- Meng, Lei (författare)
- Chinese Acad Sci, Peoples R China
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- Gao, Feng (författare)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- So, Shukong (författare)
- Hong Kong Baptist Univ, Peoples R China
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- Li, Yongfang (författare)
- Chinese Acad Sci, Peoples R China
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- Zou, Yingping (författare)
- Cent South Univ, Peoples R China
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(creator_code:org_t)
- 2020-05-19
- 2020
- Engelska.
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Ingår i: Science in China Series B. - : SCIENCE PRESS. - 1674-7291 .- 1869-1870. ; 63:8, s. 1159-1168
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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http://liu.diva-port...
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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
- Recent advances in material design for organic solar cells (OSCs) are primarily focused on developing near-infrared non-fullerene acceptors, typically A-DA D-A type acceptors (where A abbreviates an electron-withdrawing moiety and D, an electron-donor moiety), to achieve high external quantum efficiency while maintaining low voltage loss. However, the charge transport is still constrained by unfavorable molecular conformations, resulting in high energetic disorder and limiting the device performance. Here, a facile design strategy is reported by introducing the "wing" (alkyl chains) at the terminal of the DA D central core of the A-DA D-A type acceptor to achieve a favorable and ordered molecular orientation and therefore facilitate charge carrier transport. Benefitting from the reduced disorder, the electron mobilities could be significantly enhanced for the "wing"-containing molecules. By carefully changing the length of alkyl chains, the mobility of acceptor has been tuned to match with that of donor, leading to a minimized charge imbalance factor and a high fill factor (FF). We further provide useful design strategies for highly efficient OSCs with high FF.
Ämnesord
- NATURVETENSKAP -- Kemi -- Annan kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Other Chemistry Topics (hsv//eng)
Nyckelord
- non-fullerene organic solar cells; electron-deficient-core; energetic disorder; molecular design strategy
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Yuan, Jun
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Zhang, Chujun
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Chen, Honggang
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Zhu, Can
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Cheung, Sin Hang
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Qiu, Beibei
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Cai, Fangfang
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Wei, Qingya
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Liu, Wei
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Yin, Hang
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Zhang, Rui
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Zhang, Jidong
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Liu, Ye
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Zhang, Huotian
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Liu, Weifang
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Peng, Hongjian
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Yang, Junliang
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Meng, Lei
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Gao, Feng
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So, Shukong
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Li, Yongfang
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Zou, Yingping
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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och Annan kemi
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Science in China ...
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Linköpings universitet