1. School of Chemical Sciences, Mahatma Gandhi University, Kottayam, Kerala, India
2. School of Energy Materials, Mahatma Gandhi University, Kottayam, India
3. Institute of Chemistry, University of Bialystok, Bialystok, Poland
4. Department of Chemistry, Sree Narayana College, Kollam, Kerala, India
5. Department of Chemistry, Government College, Nattakom, Kerala, India
6. Advanced Molecular Materials Research Centre, Mahatma Gandhi University, Kottayam, Kerala, India