1. School of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, PR China
2. School of Physics, College of Physical Science and Technology, Yangzhou University, 225127, Yangzhou, P.R. China
3. Department of Physics, University of Lahore, Lahore, Pakistan
4. Guangling College, Yangzhou University, 225009, Yangzhou, Jiangsu. PR, China
5. Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, 210095, Nanjing, P. R. China
6. Physics Department, Division of Science & Technology, University of Education, Lahore, Pakistan
7. School of Physical Sciences University of the Punjab Lahore, 54590, Pakistan