Affiliation: | 1. Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz (Germany);2. Sony Deutschland GmbH, Materials Science Laboratory, Hedelfingerstr. 61, 70327 Stuttgart (Germany);3. Optics and Spectroscopy Department, Faculty of Physics, Sofia University “St. Kliment Ochridski”, 5 James Bourchier, 1164 Sofia (Bulgaria) |