Preparation Characterization and Photocatalytic Activity of Polycrystalline ZnO/TiO2Systems. 2. Surface, Bulk Characterization, and 4-Nitrophenol Photodegradation in Liquid−Solid Regime

Preparation Characterization and Photocatalytic Activity of Polycrystalline ZnO/TiO2Systems. 2. Surface, Bulk Characterization, and 4-Nitrophenol Photodegradation in Liquid−Solid Regime