1. Laboratoire Catalyse et Spectrochimie ENSICAEN Université de Caen Caen 14050 France
2. Research Center on Advanced Materials and Energy Federal University of São Carlos São Carlos 13565‐905 Brazil
3. Science and Technology Center for Energy and Sustainability Federal University of Recôncavo of Bahia Feira de Santana 44042‐280 Brazil
4. Laboratoire CRISMAT CNRS UMR 6508 ENSICAEN Cedex 4 Caen F‐14050 France