1. Department of Physics, University of Okara, Okara 56300, Pakistan
2. Clean Energy Research Lab (CERL), Department of Physics, COMSATS University Islamabad, Lahore Campus, Lahore 54000, Pakistan
3. Department of Energy Technology, Royal Institute of Technology (KTH), 10044 Stockholm, Sweden
4. Materials Simulation Research Laboratory (MSRL), Department of Physics, Bahauddin Zakariya University, Multan 60800, Pakistan
5. Department of Physics, University of Education, Lahore 54000, Pakistan