"Version: 20240301"--Title page verso.Includes bibliographical references.1. An introduction to photocatalysts and their applications / Vijay B. Pawade and Bharat A. Bhanvase -- 2. Rare-earth-doped metal oxide photocatalysts for wastewater treatment / G.A. Suganya Josephine, S. Rubesh Ashok Kumar and D. Vasvini Mary -- 3. Composite nanostructures based on metal oxide/upconversion phosphors with…