1. Dipartimento di Scienze Chimiche e Geologiche Università di Modena e Reggio Emilia Via Campi 103 Modena 41125 Italy
2. Univ. Lille, CNRS, LASIRE Lille F‐59000 France
3. Department of Chemistry, Molecular Imaging and Photonics Unit KU‐Leuven Celestijnenlaan 200F Leuven B‐3001 Belgium
4. Department of Chemical Engineering Federal University of Pernambuco Av. Prof. Moraes Rego, 1235, Cidade Universitaria Recife Brazil