1. Center for Advanced Materials (CAM), Qatar University, Doha 2713, Qatar
2. Department of Physics, GITAM School of Science, GITAM (Deemed to be University), Visakhapatnam 530045, India
3. School of Physics and Electronics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
4. Department of Biotechnology, GITAM School of Science, GITAM (Deemed to be University), Visakhapatnam 530045, India
5. Central Laboratories Unit (CLU), Qatar University, Doha 2713, Qatar