1. Laboratory
of Polymer Chemistry, Department of Materials, ETH Zurich, 8093 Zurich, Switzerland
2. Laboratoire
de Spectrométrie Physique (LSP), CNRS Université Joseph Fourier, BP 87, 38402 Saint Martin d‘Hères
cedex, France
3. Polymer
Physics, Department of Materials, ETH Zurich, 8093 Zurich, Switzerland
4. Institute of Electronic Structure and Laser, Foundation
for Research and Technology (FORTH), 71110 Heraklion, Crete, Greece
5. Department of Materials Science & Technology, University of Crete, 71003 Heraklion, Crete, Greece
6. Max-Planck-Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
7. Lund University, Centre of Analysis and Synthesis, P.O. Box 124, SE-22100 Lund, Sweden