1. ENEA (Italian National Agency for New Technologies, Energy and Sustainable Economic Development) UTRINN-IFC C.R. Casaccia, Via Anguillarese 301, 00123 Rome, Italy
2. Westfälische Wilhelm Universität Muenster, Institute of Physical Chemistry, Corrensstrasse 28/30, MEET, Corrensstrasse 46, D-48149 Muenster, Germany