1. National Center of Excellence in Physical Chemistry; University of Peshawar; Peshawar Pakistan
2. Department of Chemistry; The University of Lahore; Lahore Pakistan
3. Department of Chemistry; Quaid-i-Azam University; Islamabad Pakistan
4. Department of Chemistry; COMSATS Institute of Information Technology; Abbottabad Pakistan
5. Nano Sciences and Catalysis Division; National Centre for Physics; Quaid-i-Azam University; Islamabad Pakistan