1. Engineering Physics Department, Engineering Faculty, University of Porto, 4200-465 Porto, Portugal
2. Physics and Astronomy Department, Science Faculty, University of Porto, 4200-465 Porto, Portugal
3. MatER – Materials for Energy Research Laboratory, Engineering Faculty, University of Porto, Portugal
4. LAETA – INEGI, Institute of Science and Innovation in Mechanical and Industrial Engineering, 4200-465 Porto, Portugal