1. Department of Chemistry and CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
2. CFisUC, Department of Physics, University of Coimbra, P-3004-516 Coimbra, Portugal
3. CQC-IMS, Department of Chemistry, University of Coimbra, P-3004-535 Coimbra, Portugal