1. Department of Chemistry, Central University of Kerala, Periye, Kerala 671316, India
2. Department of Chemistry, Central University of Tamil Nadu, Thiruvarur, Tamil Nadu 610001, India
3. Kuwait Institute for Scientific Research, Safat 13109, Kuwait
4. Department of Sciences, Amrita School of Physical Sciences, Amrita Vishwa Vidyapeetham, Coimbatore, Tamil Nadu 641112, India