1. Smart Material Laboratory, Department of Physics, Periyar University, Salem-636011, Tamil Nadu, India
2. Department of Chemistry, Faculty of Science and Technology, Thammasat University, Pathum Thani 12120, Thailand
3. National Water and Energy Centre, United Arab Emirates University, Al Ain-15551, UAE
4. Department of Physics, Sacred Heart College (Autonomous), Tirupattur 635601, Tamil Nadu, India