Morphology determination of functional poly[2-methoxy-5-(3,7-dimethyloctyloxy)-1,4-phenylenevinylene]/Poly[oxa-1,4-phenylene-1,2-(1-cyanovinylene)-2-methoxy, 5-(3,7-dimethyloctyloxy)-1,4-phenylene-1,2-(2-cyanovinylene)-1,4-phenylene] blends as used for al

J. Loos, X.N. Yang, M.M. Koetse, J. Sweelssen, H.F.M. Schoo, S.C. Veenstra, W. Grogger, G. Kothleitner, F. Hofer

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Samenvatting

Poly[2-methoxy-5-(3,7-dimethyloctyloxy)-1,4-phenylenevinylene] (MDMO-PPV) blended with poly[oxa-1,4-phenylene-1,2-(1-cyanovinylene)-2-methoxy,5-(3,7-dimethyloctyloxy)-1,4-phenylene-1,2-(2-cyanovinylene)-1,4-phenylene] (PCNEPV) has been used as the active layer for an all-polymer photovoltaic cell. The photovoltaic performance of devices is improved by a thermal treatment, which alters the morphology of the active layer. The morphology of the MDMO-PPV/PCNEPV blend has been studied with conventional transmission electron microscopy and energy-filtered transmission electron microscopy based on electron energy loss spectroscopy. The nitrogen of the cyano group within the PCNEPV has been be detected, and two-dimensional nitrogen distribution maps have been acquired. Nitrogen-rich domains have a size of approximately 20-50 nm and are homogeneously distributed over the entire film. ? 2005 Wiley Periodicals, Inc. J Appl Polym Sci 97: 1001-1007, 2005
Originele taal-2Engels
Pagina's (van-tot)1001-1007
TijdschriftJournal of Applied Polymer Science
Volume97
Nummer van het tijdschrift3
DOI's
StatusGepubliceerd - 2005

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