1. Institute of Chemistry of Organometallic Compounds-National Research Council of Italy (ICCOM-CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino (Florence), Italy
2. Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
3. Istituto di Scienze e Tecnologie Chimiche “Giulio Natta”, CNR-SCITEC, 20138 Milano, Italy
4. Institute of Chemistry of Organometallic Compounds-National Research Council of Italy (ICCOM-CNR), Via G. Moruzzi 1, 56124 Pisa, Italy
5. University of Chemistry and Technology, Prague, Department of Inorganic Technology, Technická 5, 166 28, Prague 6, Czech Republic
6. Department of Industrial Engineering (DIEF) and INSTM Research Unit, University of Florence, Via Santa Marta 3, 50139 Florence, Italy
7. Forschungszentrum Jülich GmbH, Helmholtz Institute Erlangen-Nürnberg for Renewable Energy (IEK-11), Cauerstr. 1, 91058 Erlangen, Germany