Prof. Leonardo Palmisano is a Professor at the Department of Engineering, University of Palermo, Viale delle Scienze Ed. 6, in Italy. He received his Degree in Chemistry (110/110 and laude) from the University of Palermo in 1973 and became Full Professor at the University of Palermo in 2000. In addition, he is a member of the Italian Chemical Society and the American Chemical Society and a fellow of the Royal Society of Chemistry (FRSC). His scientific activity has been mainly focused in the field of heterogeneous photocatalysis, and his papers or chapters of books or presentations in various national and international conferences deal with various topics concerning preparation, characterization with many bulk and surface techniques, and testing of various kinds of bare and doped polycrystalline photocatalysts. Moreover, he is a referee for “Wiley Interscience” and for many international journals. He has 374 publications with 22609 citations and an h-index of 78 (Scopus, 26 October 2023).