Chiara Maccato, Ph D, is Professor of Inorganic Materials and Nanosystems and General and Inorganic Chemistry at Padova University, Italy. She is the coordinator of a morphological characterization laboratory and responsible for a research group on multi-functional inorganic nanomaterials. Davide Barreca, Ph D, is Research Director at CNR-ICMATE, Italy, and member of the International EUROCVD Board. His research activity is focused on multi-functional metal-oxide nanosystems, from thin films to ordered nano-arrays, for applications in sensing, energetics and photocatalysis.