Bandgap Correction and Spin-Orbit Coupling Induced Absorption Spectra of Dimethylammonium Lead Iodide for Solar Cell Absorber oleh Ridwan O. Agbaoye, Sherifdeen Bolarinwa, Kolawole Olubunmi Akiode, Abibat A. Adekoya-Olowofela, Lateefat Modupe Habeeb, Omolola Myriam Balogun, Paul O. Adebambo, Stephane Kenmoe, Gboyega A. Adebayo