1. Department of Mathematics and Computer Science, Faculty of Science, Alexandria University, 49 Masged El Hadary St., Moharam Bek, 21515, Alexandria, Egypt
2. Department of Physics, Faculty of Science, Alexandria University, 49 Masged El Hadary St., Moharam Bek, 21515, Alexandria, Egypt
3. School of Chemistry, University of Hyderabad, C.R. Rao Road, Gurubakhsh Singh Building, 500046, Hyderabad, India