1. Department of Chemistry; St. Thomas College; Kozhencherry Kerala 689641 India
2. Department of Basic Science; Amal Jyothi College of Engineering; Koovapally P. O. Kottayam Kerala 686518 India
3. Department of Polymer Science and Rubber Technology; Cochin University of Science and Technology; Cochin 682022 Kerala India
4. School of Chemical Sciences, Mahatma Gandhi University; Priyadarshini Hills Kottayam Kerala 686560 India
5. Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University; Priyadarshini Hills Kottayam Kerala 686560 India
6. Universiti Teknologi Majlis Amanah Rakyat, Faculty of Applied Sciences; 40450 Shah Alam Selongor Malaysia
7. Center of Excellence for Polymer Materials and Technologies; Tehnoloski Park 24 1000 Ljubljana Slovenia