[1] Natl Univ Sci & Technol NUST, US Pakistan Ctr Adv Studies Energy USPCAS E, H-12 Campus, Islamabad 44000, Pakistan
[2] Natl Univ Sci & Technol NUST, Sch Chem & Mat Engn SCME, Islamabad, Pakistan
[3] Univ Jaffna, Fac Sci, Dept Phys, Jaffna 40000, Sri Lanka
[4] Quaid I Azam Univ, Dept Environm Sci, Renewable Energy Adv Lab REAL, Islamabad 45320, Pakistan