Photocatalytic Coating Market, by Coatings Type (Titanium dioxide (TnO2), Zinc oxide (ZnO), and Others), by Thickness Type (<10nm, 10-20nm, 20-30nm, and >30nm), by End User (Concrete, Building panels, Glass, Ceramics, Painted surfaces, and Others), and by Region (North America, Latin America, Asia Pacific, Europe, and Middle East & Africa) - Size, Share, Outlook, and Opportunity Analysis, 2022 - 2030