1. Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming, 650093, China
2. National Institute of Lasers and Optronics College, Pakistan Institute of Engineering and Applied Sciences, Nilore, Islamabad, 45650, Pakistan
3. College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua, 321004, P. R. China
4. Department of Physics, International Islamic University, H10, Islamabad, Pakistan
5. Department of Physics, COMSATS University Islamabad, Pakistan
6. School of Chemistry and Chemical Engineering, Jiangsu University, 301 Xuefu Road Zhenjiang, 212013, China