1. Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur-208016, India
2. Department of Chemistry, Institute of Infrastructure Technology Research and Management, Near Khokhara Circle, Maninagar East, Ahmedabad-380026, India
3. Clarendon
Laboratory, University of Oxford, Parks Road, Oxford, OX1 3PU, United Kingdom
4. Department of Physics, University of Warwick, Gibbet Hill
Road, Coventry, CV4 7AL, United Kingdom
5. National Institute of Science Education and Research, Institute of Physics Campus, Sachivalaya Marg, PO: Sainik School, Bhubaneswar - 751 005, Orissa, India