[1] Department of Physics, The University of Lahore, 1-Km Raiwind Road, Lahore,53700, Pakistan
[2] Energy Conversion and Storage – ECS, Physik-Department, Technische Universität München, James-Franck-Straße 1, Garching,85748, Germany
[3] Advanced Functional Materials & Optoelectronics Laboratory (AFMOL), Department of Physics, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, Saudi Arabia
[4] Department of Physics, Faculty of Science, Universiti Teknologi Malaysia, UTM, Skudai,Johor,81310, Malaysia
[5] Centre for High Energy Physics, University of the Punjab, Lahore, Pakistan
[6] Research Centre of Materials Science, Beijing Institute of Technology, Beijing,100081, China