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Formation of Nanopa...
Formation of Nanopatterned Polymer Blends in Photovoltaic Devices
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- He, Ximin (författare)
- University of Cambridge, England; University of Cambridge, England
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- Gao, Feng (författare)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan
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- Tu, Guoli (författare)
- University of Cambridge, England
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- Hasko, David (författare)
- University of Cambridge, England
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- Huettner, Sven (författare)
- University of Cambridge, England
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- Steiner, Ullrich (författare)
- University of Cambridge, England; University of Freiburg, Germany
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- Greenham, Neil C. (författare)
- University of Cambridge, England
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- Friend, Richard H. (författare)
- University of Cambridge, England
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- Huck, Wilhelm T. S. (författare)
- University of Cambridge, England; University of Cambridge, England; Radboud University of Nijmegen, Netherlands
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(creator_code:org_t)
- 2010-03-03
- 2010
- Engelska.
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Ingår i: Nano letters (Print). - : American Chemical Society. - 1530-6984 .- 1530-6992. ; 10:4, s. 1302-1307
- Relaterad länk:
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https://repository.u...
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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
- In this paper, we demonstrate a double nanoimprinting process that allows the formation of nanostructured polymer heterojunctions of composition and morphology that can be selected independently. We fabricated photovoltaic (PV) devices with extremely high densities (10(14)/mm(2)) of interpenetrating nanoscale columnar features in the active polymer blend layer. The smallest feature sizes are as small as 25 nm on a 50 nm pitch, which results in a spacing of hererojunctions at or below the exciton diffusion length. Photovoltaic devices based on double-imprinted poly((9,9-dioctylfluorene)-2,7-diyl-alt-[4,7-bis(3-hexylthien-5-yl)-2,1,3-benzothiadiazole]-2,2 diyl) (F8TBT)/poly(3-hexylthiophene) (P3HT) films are among the best polymer polymer blend devices reported to date with a power conversion efficiency (PCE, eta(e)) of 1.9%.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology (hsv//eng)
Nyckelord
- Polymer photovoltaics; nanoscale morphology; nanoimprint lithography; polymer blends
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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