1. Department of Sustainable and Renewable Energy Engineering University of Sharjah United Arab Emirates
2. Center for Advanced Materials Research Research Institute of Sciences and Engineering University of Sharjah United Arab Emirates
3. Department of Electrical & Electronic Engineering The University of Hong Kong China
4. Guangdong-Hong Kong-Macao Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices Shenzhen 518055 China