1. Department of Physics, Institute of Chemical Technology (ICT), Matunga, Mumbai, Maharashtra, 400019, India
2. Department of Physics, M. P. A. S. C. College, Panvel, Maharashtra, 410206, India
3. National Center for Nanoscience and Nanotechnology, University of Mumbai, Mumbai, Maharashtra, 400032, India
4. Optoelectronics Convergence Research Center and Department of Material Sciences and Engineering, Chonnam National University, 200, Yongbong-Dong, Buk-Gu, Gwangju, 61186, South Korea