Fernando Pacheco Torgal is a Principal Investigator at C-TAC, University of Minho. He holds the title of Counsellor (Top 0.5%) from the Portuguese Engineers Association and has been consistently recognized as a Scopus Highly Cited Scientist in the global rankings by Stanford University. With over 300 publications to his name, he has carried out in-depth peer reviews of more than one thousand scientific papers and assessed nearly one hundred research grant proposals across 15 countries. He serves on the editorial boards of nine international journals and has been involved in editorial decisions for several hundred manuscripts. In addition, he has edited 33 international books, many of which are available in the libraries of prestigious institutions such as Harvard, MIT, and Stanford. Maria Vittoria Diamanti is an Assistant Professor in the Department of Chemistry, Materials and Chemical Engineering at the Polytechnic of Milan, Italy. Her current research interests are: titanium oxides, nanostructured surfaces, photocatalysis, self-cleaning surfaces, spectrophotometry and reflectometry, corrosion, and durability of reinforced concrete. Ali Nazari is a Postdoctoral research Fellow at Centre for Sustainable Infrastructure, Faculty of Science, Engineering and Technology, Swinburne University of Technology, Victoria, 3122, Australia Claes Goran-Granqvist is Professor in the Department of Engineering Science at Uppsala University, Sweden. Professor Granqvist's research is focused on optical and electrical properties of materials, especially thin films for energy efficiency and solar energy utilization. He has published around 730 research papers in mostly refereed journals, over 30 books, had invited conference presentations at about 250 international conferences and chaired about 30 international meetings.