1. Clean Energy Research Laboratory (CERL), Department of Physics, COMSATS University Islamabad, Lahore Campus, Lahore 54000, Pakistan
2. Centre of Excellence in Solid State Physics, University of the Punjab, Lahore 54590, Pakistan
3. The Swedish School of Textiles, University of Borås, Borås 50190, Sweden
4. College of Engineering and Technology, American University of the Middle East, Egaila, Kuwait 54200, Kuwait
5. Department of Physics, Division of Science and Technology, University of Education, Lahore, Punjab 54770, Pakistan