1. Department of Chemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan
2. Nanoscience's and Technology Division, National Center for Physics, Quaid-i-Azam University Campus, Shahdra Valley Road, P.O. Box 2141, Islamabad 44000, Pakistan
3. Department of Chemistry, Fatima Jinnah Women University, The Mall Rawalpindi, Pakistan
4. Synchrotron-Light for Experimental Science and Applications in the Middle East (SESAME), P.O. Box 7, Allan 19252, Jordan
5. Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, Zhejiang, People's Republic of China