1. Department of Chemistry, University of Kerala, Kariavattom Campus, Thiruvananthapuram, Kerala 695 581, India
2. Department of Nanotechnology, University of Kerala, Kariavattom Campus, Thiruvananthapuram, Kerala 695 581, India
3. Centre for Renewable Energy and Materials, University of Kerala, Kariavattom Campus, Thiruvananthapuram, Kerala 695 581, India
4. ELKH-SZTE Reaction Kinetics and Surface Chemistry Research Group, University of Szeged, Rerrich B. 1., H-6720 Szeged, Hungary
5. Department of Applied and Environmental Chemistry, University of Szeged, Rerrich B. 1., H-6720 Szeged, Hungary