Fig. 7

SEM topographic images of TiO2-modified B72 on brass. (a) At t = 0. (b) At t = 1 and (c) Detail of a pore/defect formed at t = 1, showing the coating, the NPs clusters and the metal

SEM topographic images of TiO2-modified B72 on brass. (a) At t = 0. (b) At t = 1 and (c) Detail of a pore/defect formed at t = 1, showing the coating, the NPs clusters and the metal