1. Centre for Cooperative Research on Alternative Energies (CIC energiGUNE), Basque Research and Technology Alliance (BRTA), Alava Technology Park, Albert Einstein 48, 01510 Vitoria-Gasteiz, Spain
2. International Iberian Nanotechnology Laboratory, Braga 4715-330, Portugal
3. IKERBASQUE Basque Foundation for Science, Plaza Euskadi 5, 48009 Bilbao, Spain
4. Institute of Physics, University of Silesia, 75 Pulku Piechoty 1, 41-500, Chorzów, Poland
5. Institute of Chemistry, University of Silesia, Szkolna 9, 40-006 Katowice, Poland