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Subtle Molecular Ta...
Subtle Molecular Tailoring Induces Significant Morphology Optimization Enabling over 16% Efficiency Organic Solar Cells with Efficient Charge Generation
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- Zhou, Zichun (författare)
- Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China
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- Liu, Wenrui (författare)
- Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China
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- Zhou, Guanqing (författare)
- Shanghai Jiao Tong Univ, Peoples R China
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- Zhang, Ming (författare)
- Shanghai Jiao Tong Univ, Peoples R China
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- Qian, Deping (författare)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Zhang, Jianyun (författare)
- Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China
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- Chen, Shanshan (författare)
- Chongqing Univ, Peoples R China; Ulsan Natl Inst Sci and Technol, South Korea
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- Xu, Shengjie (författare)
- Chinese Acad Sci, Peoples R China
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- Yang, Changduk (författare)
- Ulsan Natl Inst Sci and Technol, South Korea
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- Gao, Feng (författare)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Zhu, Haiming (författare)
- Zhejiang Univ, Peoples R China
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- Liu, Feng (författare)
- Shanghai Jiao Tong Univ, Peoples R China
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- Zhu, Xiaozhang (författare)
- Chinese Acad Sci, Peoples R China; Univ Chinese Acad Sci, Peoples R China
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(creator_code:org_t)
- 2019-12-09
- 2020
- Engelska.
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Ingår i: Advanced Materials. - : WILEY-V C H VERLAG GMBH. - 0935-9648 .- 1521-4095. ; 32:4
- 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
- Manipulating charge generation in a broad spectral region has proved to be crucial for nonfullerene-electron-acceptor-based organic solar cells (OSCs). 16.64% high efficiency binary OSCs are achieved through the use of a novel electron acceptor AQx-2 with quinoxaline-containing fused core and PBDB-TF as donor. The significant increase in photovoltaic performance of AQx-2 based devices is obtained merely by a subtle tailoring in molecular structure of its analogue AQx-1. Combining the detailed morphology and transient absorption spectroscopy analyses, a good structure-morphology-property relationship is established. The stronger pi-pi interaction results in efficient electron hopping and balanced electron and hole mobilities attributed to good charge transport. Moreover, the reduced phase separation morphology of AQx-2-based bulk heterojunction blend boosts hole transfer and suppresses geminate recombination. Such success in molecule design and precise morphology optimization may lead to next-generation high-performance OSCs.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- charge generation; nonfullerene acceptors; organic solar cells; power conversion efficiency; solar cell morphology
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Zhou, Zichun
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Liu, Wenrui
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Zhou, Guanqing
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Zhang, Ming
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Qian, Deping
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Zhang, Jianyun
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visa fler...
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Chen, Shanshan
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Xu, Shengjie
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Yang, Changduk
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Gao, Feng
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Zhu, Haiming
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Liu, Feng
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Zhu, Xiaozhang
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