1. Department of Physics, Yogi Vemana University, Kadapa 516005, A.P. India
2. Centre for Nano and Soft Matter Science, Bangalore 562162, Karnataka India
3. Department of Physics, School of Sciences, National Institute of Technology, Tadepalligudem 534101, A.P. India
4. Indian Institute of Chemical Technology, CSIR-IICT, Hyderabad 500007, T.S. India
5. Academy of Scientific and Innovation Research, Ghaziabad 201002, India
6. Department of Chemistry, Yogi Vemana University, Kadapa 516005, A.P. India