1. Department of Chemistry, Hazara University, Mansehra, Pakistan
2. Department of Chemistry, Abdul Wali Khan University, Mardan, Pakistan
3. Department of Physics, University of Agriculture Faisalabad, Faisalabad, Pakistan
4. Department of Mechanical Engineering, Universiti Teknologi Petronas, Bandar Seri Iskandar, Malaysia
5. H. E. J. Research Institute of Chemistry, University of Karachi, Karachi, Pakistan