1. Centre of Physics, University of Minho, 4710-057 Braga, Portugal
2. Department of Chemistry and CQ-VR, University of Trás-os-Montes e Alto Douro, 5000-801 Vila Real, Portugal
3. Institute of Science and Innovation for Bio-Sustainability (IB-S), University of Minho, 4710-057 Braga, Portugal
4. IPC - Institute for Polymers and Composites, Universidade do Minho, Campus de Azurem, 4800-058 Guimarães, Portugal
5. Centre of Chemistry, University of Minho, 4710-057 Braga, Portugal
6. BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain
7. IKERBASQUE, Basque Foundation for Science, 48009 Bilbao, Spain