Institution: | 1.Department of Chemistry, Quaid-i-Azam University, Islamabad, 45320, Pakistan ;2.Department of Chemistry, University of Gujrat, Gujrat, Pakistan ;3.U. S.-Pakistan Centre for Advanced Studies in Energy, National University of Sciences and Technology, Sector H-12, Islamabad, 44000, Pakistan ;4.Chemistry Department, Faculty of Science, King Abdul Aziz University, Jeddah, 21589, Saudi Arabia ; |