1. Department of Chemistry, Faculty of Science, University of Lucknow, Lucknow 226007, India
2. Materials and Chemical Characterisation Facility (MC2), University of Bath, Claverton Down, Bath, BA2 7AY, UK
3. Department of Physics, Savitribai Phule Pune University, Pune 411007, India
4. Department of Environmental Science, Savitribai Phule Pune University, Pune 411007, India
5. Department of Chemistry, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia