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Design rules for mi...
Design rules for minimizing voltage losses in high-efficiency organic solar cells
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- Qian, Deping (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Zheng, Zilong (author)
- Georgia Inst Technol, GA 30332 USA; Georgia Inst Technol, GA 30332 USA
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- Yao, Huifeng (author)
- Chinese Acad Sci, Peoples R China
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- Tress, Wolfgang (author)
- Ecole Polytech Fed Lausanne, Switzerland
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- Hopper, Thomas R. (author)
- Imperial Coll London, England
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- Chen, Shula (author)
- Linköpings universitet,Ytors Fysik och Kemi,Tekniska fakulteten
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- Li, Sunsun (author)
- Chinese Acad Sci, Peoples R China
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- Liu, Jing (author)
- Hong Kong Univ Sci and Technol, Peoples R China; Hong Kong Univ Sci and Technol, Peoples R China
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- Chen, Shangshang (author)
- Hong Kong Univ Sci and Technol, Peoples R China; Hong Kong Univ Sci and Technol, Peoples R China
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- Zhang, Jiangbin (author)
- Imperial Coll London, England; Univ Cambridge, England
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- Liu, Xiaoke (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Gao, Bowei (author)
- Chinese Acad Sci, Peoples R China
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- Ouyang, Liangqi (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Jin, Yingzhi (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Pozina, Galia (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Buyanova, Irina (author)
- Linköpings universitet,Ytors Fysik och Kemi,Tekniska fakulteten
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- Chen, Weimin (author)
- Linköpings universitet,Ytors Fysik och Kemi,Tekniska fakulteten
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- Inganäs, Olle (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Coropceanu, Veaceslav (author)
- Georgia Inst Technol, GA 30332 USA; Georgia Inst Technol, GA 30332 USA
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- Bredas, Jean-Luc (author)
- Georgia Inst Technol, GA 30332 USA; Georgia Inst Technol, GA 30332 USA
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- Yan, He (author)
- Hong Kong Univ Sci and Technol, Peoples R China; Hong Kong Univ Sci and Technol, Peoples R China
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- Hou, Jianhui (author)
- Chinese Acad Sci, Peoples R China
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- Zhang, Fengling (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Bakulin, Artem A. (author)
- Imperial Coll London, England
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- Gao, Feng (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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(creator_code:org_t)
- 2018-07-16
- 2018
- English.
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In: Nature Materials. - : NATURE PUBLISHING GROUP. - 1476-1122 .- 1476-4660. ; 17:8, s. 703-
- 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
Subject headings
Close
- The open-circuit voltage of organic solar cells is usually lower than the values achieved in inorganic or perovskite photovoltaic devices with comparable bandgaps. Energy losses during charge separation at the donor-acceptor interface and non-radiative recombination are among the main causes of such voltage losses. Here we combine spectroscopic and quantum-chemistry approaches to identify key rules for minimizing voltage losses: (1) a low energy offset between donor and acceptor molecular states and (2) high photoluminescence yield of the low-gap material in the blend. Following these rules, we present a range of existing and new donor-acceptor systems that combine efficient photocurrent generation with electroluminescence yield up to 0.03%, leading to non-radiative voltage losses as small as 0.21 V. This study provides a rationale to explain and further improve the performance of recently demonstrated high-open-circuit-voltage organic solar cells.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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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Qian, Deping
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Zheng, Zilong
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Yao, Huifeng
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Tress, Wolfgang
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Hopper, Thomas R ...
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Chen, Shula
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show more...
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Li, Sunsun
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Liu, Jing
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Chen, Shangshang
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Zhang, Jiangbin
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Liu, Xiaoke
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Gao, Bowei
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Ouyang, Liangqi
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Jin, Yingzhi
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Pozina, Galia
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Buyanova, Irina
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Chen, Weimin
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Inganäs, Olle
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Coropceanu, Veac ...
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Bredas, Jean-Luc
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Yan, He
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Hou, Jianhui
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Zhang, Fengling
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Bakulin, Artem A ...
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Gao, Feng
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- 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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Nature Materials
- By the university
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Linköping University