1. Dept. of Sustainable and Renewable Energy Engineering and Advanced Materials Research Center; University of Sharjah; PO Box 27272 Sharjah United Arab Emirates
2. Center for Advanced Materials Research; University of Sharjah; PO Box 27272 Sharjah United Arab Emirates
3. Chemical Engineering Dept.; Minia University; Elminia Egypt
4. Dept. of Electrical and Computer Engineering; University of Sharjah; PO Box 27272 Sharjah United Arab Emirates
5. Nanoelectronics Integrated Systems Center (NISC); Nile University; Cairo Egypt
6. Dept. of Applied Physics; University of Sharjah; PO Box 27272 Sharjah United Arab Emirates