1. Chemical Engineering Department, College of Engineering, Najran University, P.O. Box 1988, Najran 11001, Saudi Arabia
2. Promising Centre for Sensors and Electronic Devices (PCSED), Advanced Materials and Nano-Research Centre, Najran University, P.O. Box 1988, Najran 11001, Saudi Arabia
3. Nanomaterials and Nanotechnology Division, Central Metallurgical Research and Development Institute (CMRDI), P.O. Box 87, Helwan, Cairo 11421, Egypt