1. New Generation Materials Lab (NGML), Department of Science and Humanities, Vignan’s Foundation for Science Technology and Research (VFSTR) (Deemed to be University), Vadlamudi, Guntur 522 213, Andhra Pradesh, India
2. Department of Physics, Kakatiya University, Warangal 506009, Telangana, India
3. Department of Pharmacy, Birla Institute of Technology & Amp; Science-Pilani, Hyderabad Campus, Shameerpet, Jawaharnagar, Hyderabad 500 078, India