1. School of Chemical Sciences and Advanced Materials Research Center, Indian Institute of Technology Mandi, Kamand, Mandi, Himachal Pradesh 175075, India
2. Department of Chemistry, Sardar Patel University Mandi, Mandi, Himachal Pradesh 175001, India
3. Department of Physics, Indian Institute of Technology Delhi, New Delhi 110016, India
4. Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, Madhya Pradesh 462066, India