1. Center for Advanced Materials, Qatar University, Doha, Qatar
2. New Technologies - Research Center, University of West Bohemia, Plzeň, Czech Republic
3. Department of Chemistry, Birla Institute of Technology, Ranchi, India
4. Department of Physics, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai, India
5. Department of Physics, VIT-AP University, Amaravati Campus, Guntur, India