Optimization of Photo Catalytic Activity of ZnO Nano Composites by Surface Modification with Cu metal using Facile Hydrothermal Approach Fazal Ur Rehman*, Manzar Zahra, Iqra Qayyum, Aoun Raza, Amir Waseem, 10.30495/ijc.2022.688325 XML Requires Subscription HTML Requires Subscription PDF views: 20 downloads: 193