1. Nanomaterials Research Group, Physics Division, PINSTECH, Islamabad, 44000, Pakistan
2. School of Chemical and Materials Engineering National University of Sciences and Technology (NUST), Islamabad, 44000, Pakistan
3. Central Analytical Facility Division, PINSTECH, Islamabad, 44000, Pakistan
4. School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, P. R. China
5. State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry & Chemical Engineering and Center of Materials Analysis, Nanjing University, Nanjing, 210023, China
6. Experimental Physics Division, National Centre for Physics, Islamabad, 44000, Pakistan
7. Chemistry Division, PINSTECH, Islamabad, 44000, Pakistan
8. College of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing, 163318, P. R. China