| Affiliation: | 1. Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia;2. Department of Chemistry, Faculty of Science, Alexandria University, P.O. Box 426, Ibrahimia, Alexandria 21321, Egypt;3. Department of Chemistry (UA), PSG College of Arts and Science, Coimbatore-14, Tamil Nadu, India;4. Institut des Sciences Chimiques de Rennes, UMR 6226, CNRS-Universite´ de Rennes 1, 35042 Rennes Cedex, France;5. Department of Physics, The Madhura College, Madurai, 625 011, India |
