1. Nanomaterials & Solar Energy Conversion Lab, Department of Chemistry, National Institute of Technology, Tiruchirappalli 620015, India
2. Advanced
Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, University of Concepcion, Concepcion, Chile
3. Department
of Environmental Engineering and Science, Feng Chia University, Taichung 407, Taiwan
4. The
Center of Excellence for Advanced Materials Research, King Abdulaziz University, P.O. Box
80203, Jeddah 21413, Saudi Arabia