PG Department of Chemistry, JCDAV College, Dasuya 144 205, Punjab, India;
Department of Physics, King Saud University, Riyadh 11442, Kingdom of Saudi Arabia;
PG Department of Chemistry, JCDAV College, Dasuya 144 205, Punjab, India;
Department of Chemistry, Faculty of Arts and Sciences, Najran University, P.0. Box 1988, Najran 11001, Kingdom of Saudi Arabia;