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Photovoltaic devices based on photo induced charge transfer in polythiophene : CN-PPV blends
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2003 (English)In: Brazilian journal of physics, ISSN 0103-9733, Vol. 33, no 2, 376-381 p.Article in journal (Refereed) Published
Abstract [en]

We have investigated the photovoltaic properties of polymer devices based on a blend of two polymers, (poly(3-(2'-methoxy-5'-octylphenyl) thiophene) (POMeOPT) and poly(2,5,2',5'-tetrahexyloxy-7,8'-dicyanodi-p-phenylenevinylene) (CN-PPV), where photo induced charge transfer takes place at the interfaces formed by the interpenetrating network of the donor and the acceptor. The polymer blend films resulting from the spin coating were phase separated and the photo response of the devices depended on the morphology of the segregation. We have studied different blend ratios by photoluminescence quenching, scanning force microscopy and photovoltaic measurements. External quantum efficiencies of 4.5% at 500nm were achieved for the less segregated polymer blend.

Place, publisher, year, edition, pages
2003. Vol. 33, no 2, 376-381 p.
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-48441OAI: diva2:269337
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-13

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Inganäs, Olle
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The Institute of TechnologyBiomolecular and Organic Electronics
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