Effect of copper back contact and varied ZnO layer thickness on functional properties of Cadmium telluride solar cell - Venkatesh, R.; Singh, Pradeep Kumar; Narendrudu, T.; Mohanavel, Vinayagam; Vijayan, D. S.; Kedia, Ankit; Soudagar, Manzoore Elahi M.; Fouly, Ahmed; Seikh, A. H. (Indian journal of physics, 2025)