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The Effect of addit...
The Effect of additive on performance and shelf-stability of HSX-1/PCBM photovoltaic devices
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- Li, Weiwei (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Zhou, Yi (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Andersson, Viktor (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Andersson, Mattias (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan
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- Thomann, Yi (author)
- Freiburg Material Research Centre, Germany
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- Veit, Clemens (author)
- Fraunhofer Institute for Solar Energy Systems, Germany
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- Tvingstedt, Kristofer (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan
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- Qin, Ruiping (author)
- Beijing Normal University, China
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- Bo, Zhishan (author)
- Beijing Normal University, China
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- Inganäs, Olle (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan
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- Wuerfel, Uli (author)
- Freiburg Material Research Centre, Germany
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- Zhang, Fengling (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan
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(creator_code:org_t)
- Elsevier Science B.V., Amsterdam. 2011
- 2011
- English.
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In: Organic electronics. - : Elsevier Science B.V., Amsterdam.. - 1566-1199 .- 1878-5530. ; 12:9, s. 1544-1551
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https://liu.diva-por... (primary) (Raw object)
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http://liu.diva-port...
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Abstract
Subject headings
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- How 1,8-diiodooctane (DIO) enhances performance of polymer solar cells based on polymer HXS-1 and fullerene [6,6]-phenyl C(71)-butyric acid methyl ester (PC(71)BM) from 3.6% to 5.4% is scrutinized with several techniques by comparing devices or blend films spin-coated from dichlorobenzene (DCB) to those from DCB/DIO (97.5:2.5 v/v). Morphology of blend films is examined with atomic force microscopy (AFM), transmission electron microscopy (TEM) and electron tomography (3-D TEM), respectively. Charge generation and recombination is studied with photoluminescence, and charge transport with field effect transistors. The morphology with domain size in 10-20 nm and vertical elongated clusters formed in DIO system is supposed to facilitate charge transport and minimize charge carrier recombination, which are the main reasons for enhancing power conversion efficiency (PCE) from 3.6% (without DIO) to 5.4% (with DIO). Furthermore, a two year inspection shows no significant impact of DIO on the shelf-stability of the solar cells. No visible degradation in the second year indicates that the morphology of the active layers in the devices is relatively stable after initial relaxation in the first year.
Keyword
- Polymer solar cell; Additive; Morphology; Shelf-stability; Phase separation
- TECHNOLOGY
- TEKNIKVETENSKAP
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Li, Weiwei
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Zhou, Yi
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Andersson, Vikto ...
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Andersson, Matti ...
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Thomann, Yi
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Veit, Clemens
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Tvingstedt, Kris ...
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Qin, Ruiping
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Bo, Zhishan
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Inganäs, Olle
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Wuerfel, Uli
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Zhang, Fengling
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- Articles in the publication
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Organic electron ...
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Linköping University