1. Department of Chemistry, Khadija University Majia, Nigeria
2. COE on Solar Cells and Renewable Energy, Department of Physics, Sharda University, India
3. Faculty of Science,Department of Physics, Jazan University, Jazan, Saudi Arabia
4. Research Centre for Chemical Defence, Universiti Pertahanan Nasional Malaysia, Kuala Lumpur, Malaysia
5. Department of Applied Physics, Gautam Buddha University, Greater Noida, India