Fig. 2From: Photocatalytic Properties of Co3O4-Coated TiO2 Powders Prepared by Plasma-Enhanced Atomic Layer DepositionSEM (a, b) and HRTEM (c, d) images of pure P25 and 200-cycle Co3O4-coated P25 powders along with the particle size distribution (e, f). a, c, e Pure P25 powders. b, d, f 200-cycle Co3O4-coated P25 powdersBack to article page