1. Department of Physics, College of Science, University of Bisha, P. O. Box 334, Bisha 61922, Saudi Arabia
2. Department of Chemistry, College of Science, King Khalid University, P. O. Box 9004, Abha 61413, Saudi Arabia
3. Department of Chemistry, College of Science, University of Bisha, P. O. Box 551, Bisha 61922, Saudi Arabia
4. Faculty of Science Education, Jeju National University, Jeju 63243, Republic of Korea