1. Laboratory
of Photochemistry and Macromolecular Engineering, ENSCMu, University of Haute-Alsace, 3 bis rue Alfred Werner, 68093 Mulhouse Cedex, France
2. Institute
of Material Science of Mulhouse, CNRS, UMR 7361, University of Haute-Alsace, 3 bis rue Alfred Werner, 68093 Mulhouse Cedex, France