Affiliation: | aInstitute of Materials Science and Testing of Plastics, University of Leoben, Franz-Josef-Str. 18, A-8700 Leoben, Austria bFraunhofer-Institute for Solar Energy Systems, Heidenhofstr. 2, D-79110, Germany cPolymer Competence Center Leoben GmbH (PCCL), Parkstr. 11, A-8700 Leoben, Austria |