1. Department of Physics, University of Sargodha, Sargodha 40100, Pakistan
2. Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
3. Institute of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
4. Department of Chemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan
5. School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
6. Department of Chemistry, University of Wah, Quaid Avenue Wah Cantt., Rawalpindi 47040, Pakistan