1. Department of Electronic Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan-si, Gyeongsanbuk-do, South Korea
2. Department of physics, Madanapalle Institute of Technology and Science, Madanapalle, 517325, India
3. Department of Chemistry, Anurag University, Ghatkesar, Hyderabad, Telangana, 500088, India