1. Centre for Research and Evaluation, Bharathiar University, Marudhamali Rd., Coimbatore 641 046, Tamilnadu, India
2. Department of Chemistry, Sir M. Visvesvaraya Institute of Technology, International Airport Rd., Hunasamaranahalli, Bengaluru 562 157, Karnataka, India https://orcid.org/0000-0001-6691-4030 (G.K.P.)
3. Visvesvaraya Technological University, Jnana Sangama, VTU Main Road, Belagavi 590 018, Karnataka, India
4. Department of Chemistry, PES College of Engineering, Mandya 571 401, Karnataka, India (Corresponding author), e-mail: prsnthmysore@gmail.com
5. Department of Chemistry, M. S. Ramaiah Institute of Technology, M. S. Ramaiah Nagar, Bengaluru 560 054, Karnataka, India
6. Department of Bio-Technology, Sir M. Visvesvaraya Institute of Technology, International Airport Rd., Hunasamaranahalli, Bengaluru 562 157, Karnataka, India
7. Department of Physics, Sir M. Visvesvaraya Institute of Technology, International Airport Rd., Hunasamaranahalli, Bengaluru 562 157, Karnataka, India
8. Department of Chemistry, University of Mysore, Manasagangotri, Mysuru 570 006, Karnataka, India
9. Department of Electronics and Communication Engineering, Surya Engineering College, Kathirampatti, Mettukadai, Erode 638107, Tamilnadu, India, https://orcid.org/0000-0002-7241-3731