1. Department of Chemistry, B.B.K.
D.A.V. College for Women, Amritsar 143005, Punjab, India
2. Department of Chemistry, Kachchh
University, Mundra Road, Bhuj- 370001, Kachchh Gujarat, India
3. Nanotechnology
Research Laboratory,
College of North Atlantic, Labrador City, NL A2 V 2K7, Canada
4. Department of Chemistry, Wilfrid
Laurier University, Science Building, 75 University Ave. W., Waterloo,
ON N2L 3C5, Canada