1. Department of Chemistry, University of Agriculture, Faisalabad-38000, Pakistan
2. Department of Chemistry, COMSATS University, Abbottabad Campus, Abbottabad-22060, Pakistan
3. Punjab Bio-energy Institute, University of Agriculture, Faisalabad-38000, Pakistan
4. Department of Physics, Sakarya University, Sakarya, Turkey
5. Department of Physics, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
6. Research Center for Advanced Materials Science (RCAMS), King Khalid University, P. O. Box 9004, Abha 61413, Saudi Arabia
7. Department of Physics, Faculty of Science, King Khalid University, P. O. Box 9004, Abha, Saudi Arabia