1. Research Chair of Exploitation of Renewable Energy Applications in Saudi Arabia, Physics & Astronomy Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
2. Physics Department, Faculty of Science (Boys Branch), Al-Azhar University, Cairo 11884, Egypt
3. National Center for Renewable Energy Technology, KACST, P.O. Box 2455, Riyadh 11442, Saudi Arabia
4. Physics & Astronomy Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia