[1] Amrita Vishwa Vidyapeetham, Dept Sci, Amrita Sch Phys Sci, Dhanvanthri Lab, Coimbatore 641112, India
[2] Amrita Vishwa Vidyapeetham, Amrita Sch Engn, Ctr Excellence Adv Mat & Green Technol CoE AMGT, Coimbatore 641112, India
[3] Amrita Vishwa Vidyapeetham, Amrita Sch Engn, Coimbatore 641112, India
[4] CNR, Inst Biomol Chem, via Paolo Gaifami 18, I-95126 Catania, Italy