TY - BOOK AU - Taniyat Kanwal TI - First principle analysis of defect tolerance and charge carrier dynamics in halide perovskites for high-efficiency solar cells CsSnI₃ and CsPbI₃ U1 - 530 PY - 2026/// CY - Islamabad PB - (unpublished) KW - Physics KW - Photovoltage and photocurrent KW - perovskite solar cells KW - plane waves as basic set KW - first and 2nd hohenberg-kohn KW - Equation of kohn-sham KW - DBS KW - FEAS N1 - This thesis is submitted in the partial fulfillment of the requirements for the degree of Master of Philosophy in Physics in the Faculty of Engineering and Applied Sciences; Includes bibliographical references; Thesis supervisor: Dr. Sikander Azam; Thesis (M Phil)--Riphah International University, 2026 ER -