1. Department of Sciences, Amrita School of Physical Sciences, Amrita Vishwa Vidyapeetham, Coimbatore 641112, India
2. Bio-materials Chemistry Research Laboratory, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Coimbatore 641112, India
3. Petroleum Research Center, Kuwait Institute for Scientific Research, Safat 13109, Kuwait
4. Department of Chemistry, Central University of Kerala, Periye, Kasaragod, Kerala 671316, India