1. Department of Physics, Indian Institute of Technology Roorkee, Roorkee, Haridwar, Uttarakhand, 247667, India
2. Department of Chemical Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
3. Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
4. Department of Sustainable Energy Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
5. Department of Materials Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
6. Center for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India