1. Department of Physics, NMAM Institute of Technology, Nitte, Karnataka, India
2. Department of Physics, Manipal Institute of Technology, Manipal University, Manipal, India
3. Department of Physics, Sadguru Swami Nithyananda Institute of Technology (SSNIT), Kanhangad 671315, India
4. Department of Chemistry, Manipal Institute of Technology, Manipal University, Manipal, India
5. Department of Chemistry, University of Malaya, Kuala Lumpur, Malaysia
6. Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah