[1] Department of Physics, Sardar Patel University, Shahid Chowk, Vallabh Vidyanagar, Gujarat, Anand,388 120, India
[2] Department of Physical Sciences, P. D. Patel Institute of Applied Science, CHARUSAT Campus, Highway 139, Off. Nadiad-Petlad Road, Gujarat, Changa,388421, India
[3] Department of Paramedical Science, Charotar Institute of Paramedical Sciences, CHARUSAT, Gujarat, Changa,388421, India
[4] Department of Chemistry, Sardar Patel University, Shahid Chowk, Vallabh Vidyanagar, Gujarat, Anand,388 120, India
[5] Centre for Nanoscience and Nanotechnology Amity University Maharashtra, Mumbai- Pune Expressway, Bhatan, Post Somatne, Panvel, Maharashtra, Mumbai,410206, India
[6] Sophisticated Instrumentation Centre for Applied Research and Testing (SICART), Mota Bazaar, Vallabh Vidyanagar, Gujarat, Anand,388 120, India