1. International and Interuniversity Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam, India
2. Department of Chemistry, Tkm College of Engineering, Karicode, Kollam-5, Kerala, India-691005
3. Department of Chemistry, MES College of Arts and Science, Marampilly, Vazhakkulam, Aluva, Ernakulam, Kerala, India
4. School of Chemical Sciences, Mahatma Gandhi University, Kottayam, India
5. Department of Chemistry, Amritha Vishwa Vidyapeetham, Amrithapuri Campus, Kollam, India
6. Principal, Carmelgiri College Stellamaris Road, Adimaly, Idukki, Kerala, India
7. School of Energy Materials, Mahatma Gandhi University, Kottayam, India