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A Narrow-Bandgap n-...
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Sun, HuiliangSouthern Univ Sci & Technol SUSTech, Peoples R China; Hong Kong Univ Sci & Technol HKUST, Peoples R China; Hong Kong Univ Sci & Technol HKUST, Peoples R China
(författare)
A Narrow-Bandgap n-Type Polymer with an Acceptor-Acceptor Backbone Enabling Efficient All-Polymer Solar Cells
- Artikel/kapitelEngelska2020
Förlag, utgivningsår, omfång ...
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2020-09-21
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WILEY-V C H VERLAG GMBH,2020
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:liu-170558
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-170558URI
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https://doi.org/10.1002/adma.202004183DOI
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Språk:engelska
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Sammanfattning på:engelska
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Klassifikation
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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Funding Agencies|Shenzhen Science and Technology Innovation Commission [JCYJ20170413173814007, JCYJ20170818113905024, JCYJ20170817105905899, JCYJ20180504165709042]; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC) [21801124]; Stiftelsen for Strategisk Forskning through a Future Research Leader program [FFL18-0322]; Peiyang Scholar Program of Tianjin University; Open Fund of the State Key Laboratory of Luminescent Materials and Devices (South China University of Technology) [2020-skllmd-11]; Center for Computational Science and Engineering of SUSTech
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Narrow-bandgap polymer semiconductors are essential for advancing the development of organic solar cells. Here, a new narrow-bandgap polymer acceptor L14, featuring an acceptor-acceptor (A-A) type backbone, is synthesized by copolymerizing a dibrominated fused-ring electron acceptor (FREA) with distannylated bithiophene imide. Combining the advantages of both the FREA and the A-A polymer, L14 not only shows a narrow bandgap and high absorption coefficient, but also low-lying frontier molecular orbital (FMO) levels. Such FMO levels yield improved electron transfer character, but unexpectedly, without sacrificing open-circuit voltage (V-oc), which is attributed to a small nonradiative recombination loss (E-loss,E-nr) of 0.22 eV. Benefiting from the improved photocurrent along with the high fill factor andV(oc), an excellent efficiency of 14.3% is achieved, which is among the highest values for all-polymer solar cells (all-PSCs). The results demonstrate the superiority of narrow-bandgap A-A type polymers for improving all-PSC performance and pave a way toward developing high-performance polymer acceptors for all-PSCs.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Yu, HanHong Kong Univ Sci & Technol HKUST, Peoples R China; Hong Kong Univ Sci & Technol HKUST, Peoples R China
(författare)
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Shi, YongqiangSouthern Univ Sci & Technol SUSTech, Peoples R China
(författare)
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Yu, JianweiLinköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten(Swepub:liu)jiayu39
(författare)
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Peng, ZhongxiangTianjin Univ, Peoples R China
(författare)
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Zhang, XianheSouthern Univ Sci & Technol SUSTech, Peoples R China
(författare)
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Liu, BinSouthern Univ Sci & Technol SUSTech, Peoples R China
(författare)
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Wang, JunweiSouthern Univ Sci & Technol SUSTech, Peoples R China
(författare)
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Singh, RanbirDongguk Univ, South Korea
(författare)
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Lee, JaewonChungnam Natl Univ, South Korea
(författare)
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Li, YongchunSouthern Univ Sci & Technol SUSTech, Peoples R China
(författare)
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Wei, ZixiangSouthern Univ Sci & Technol SUSTech, Peoples R China
(författare)
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Liao, QiaoganSouthern Univ Sci & Technol SUSTech, Peoples R China
(författare)
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Kan, ZhipengChinese Acad Sci, Peoples R China
(författare)
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Ye, LongTianjin Univ, Peoples R China
(författare)
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Yan, HeHong Kong Univ Sci & Technol HKUST, Peoples R China; Hong Kong Univ Sci & Technol HKUST, Peoples R China
(författare)
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Gao, FengLinköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten(Swepub:liu)fenga88
(författare)
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Guo, XugangSouthern Univ Sci & Technol SUSTech, Peoples R China
(författare)
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Southern Univ Sci & Technol SUSTech, Peoples R China; Hong Kong Univ Sci & Technol HKUST, Peoples R China; Hong Kong Univ Sci & Technol HKUST, Peoples R ChinaHong Kong Univ Sci & Technol HKUST, Peoples R China; Hong Kong Univ Sci & Technol HKUST, Peoples R China
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Advanced Materials: WILEY-V C H VERLAG GMBH320935-96481521-4095
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Till lärosätets databas
- Av författaren/redakt...
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Sun, Huiliang
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Yu, Han
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Shi, Yongqiang
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Yu, Jianwei
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Peng, Zhongxiang
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Zhang, Xianhe
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visa fler...
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Liu, Bin
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Wang, Junwei
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Singh, Ranbir
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Lee, Jaewon
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Li, Yongchun
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Wei, Zixiang
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Liao, Qiaogan
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Kan, Zhipeng
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Ye, Long
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Yan, He
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Gao, Feng
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Guo, Xugang
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visa färre...
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NATURVETENSKAP
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och Kemi
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och Polymerkemi
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Advanced Materia ...
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