1. Advanced Technology Development Centre, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
2. Department of Chemistry and Thematic Unit of Excellence, Indian Institute of Technology Kanpur, Kanpur 208016, India
3. Institute of Renewable Energy and Environment Technology, Institute for Materials Research and Innovation, University of Bolton, Deane Road, Bolton BL3 5AB, United Kingdom
4. Department of Physics, School of Natural Sciences, Shiv Nadar University, Chithera, Uttar Pradesh 203207, India
5. Nanotechnology and Integrated Bioengineering Centre, University of Ulster at Jordanstown, Newtownabbey BT37 0QB, Northern Ireland, United Kingdom
6. Department of Physics, Indian Institute of Technology Bombay, Mumbai 400076, India