“…Polymer-metal oxide hybrid films have wide applications, and the application area is determined by the nature of the polymer and the type of metal oxide. Polymer-metal oxide hybrid materials have been used in catalysis, 17 in electronic applications as thin film transistors, 18 in solar cells, [19][20][21][22] as memristors, 23 in flexible electronic devices, 24 in semi-conductors for wearable electronics, 25 as hardeners, 16 as barrier films, 26 as nanocomposites, 27,28 in corrosion resistant coatings 29,30 and in gas separation membranes. [31][32][33][34][35] Hence, we chose to demonstrate the wholly water-based, prepolymer-free UV curing process for preparing poly(urethane-acrylate-TiO 2 ) (PU-AA-TiO 2 ) and poly(urethane-acrylate-SiO 2 ) (PU-AA-SiO 2 ) hybrid films, as TiO 2 and SiO 2 are widely used in coating and other applications.…”