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Carbazole Functionalized Isocyanide Brushes in Heterojunction Photovoltaic Devices
University of Cambridge, England; Korea Institute Ind Technology KITECH, South Korea.
Linköping University, Department of Physics, Chemistry and Biology, Biomolecular and Organic Electronics. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-2582-1740
Radboud University of Nijmegen, Netherlands.
Radboud University of Nijmegen, Netherlands.
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2012 (English)In: Journal of Nanoscience and Nanotechnology, ISSN 1533-4880, Vol. 12, no 1, 503-507 p.Article in journal (Refereed) Published
Abstract [en]

In this work, carbazole-containing polyisocyanide (PIACz) brushes were used for photovoltaic devices. A photovoltaic device was fabricated on top of the brushes by spin-coating a suitable acceptor and evaporating an Al cathode. Devices with a poly(N-vinylcarbazole) (PVK) bulk polymer were also prepared for comparison. Interestingly, the brushes showed better photovoltaic characteristics as compared to the blended PVK system. This is attributed to the specific morphologies of the polyisocyanide brushes, which provide a large interfacial area between the donor and acceptor for efficient photogeneration. It was found that the device performance varied according to the molecular size of the incorporated acceptors.

Place, publisher, year, edition, pages
American Scientific Publishers , 2012. Vol. 12, no 1, 503-507 p.
Keyword [en]
Polymer Brush; Polycarbazole; Polymer Morphology; Organic Photovoltaic Cell (OPV)
National Category
Other Chemical Engineering
URN: urn:nbn:se:liu:diva-115689DOI: 10.1166/jnn.2012.5334ISI: 000301990500068OAI: diva2:796108

Funding Agencies|MKE; ISTK; Fundamental RandD Program for Core Technology of Materials; MKE of Republic of Korea

Available from: 2015-03-18 Created: 2015-03-18 Last updated: 2015-03-31

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