1. Department of Polymer Science and Rubber Technology, Cochin University of Science and Technology, Kerala 682022, India
2. Inter University Centre for nanomaterials and Devices (IUCND), Cochin University of Science and Technology, Kerala 682022, India
3. Department of Chemistry and Centre for Research, St. Teresa's College, Ernakulam, Kerala 682011, India
4. University of Calicut, Malappuram, Kerala 673635, India
5. Centre of Excellence in Advanced Materilas (CAM), Cochin University of Science and Technology, Kerala 682022, India