Javed Iqbal (23730) creator text Islamabad (Unpublished) 2023 monographic xvi, 65 p. : ill., Col. ; 30 cm. +CD Submitted in partial fulfillment of the requirements for the degree of Master of Philosophy in Physics to the Department of Basic Sciences. Includes bibliographical references. Thesis Supervisor: Dr. Irfan Qasim Thesis (M.Phil)--Riphah International University, 2023 English Physics Thin film solar cells Energy band gaps Radiation recombination DBS FEAS 530 JAV