1. Department of Studies in Physics, Manasagangotri, University of Mysore, Mysuru 570006, Karnataka, India
2. Department of Physics, The National Institute of Engineering, Mysuru 570008, Karnataka, India
3. Department of Chemistry, The National Institute of Engineering, Mysuru 570008, Karnataka, India
4. Department of Chemistry, B.M.S College of Engineering, Bengaluru 560019, Karnataka, India
5. Nanosensors and Nanoenergy Lab, Department of Sensors and Biomedical Technology, School of Electronics Engineering, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India
6. Department of Physics, Government College for Women, Kolar 563101, Karnataka, India
7. Department of Physics, Lal Bahadur Shastri Government First Grade College Bangalore, 560032, Karnataka, India