1. Environmental Nanotechnology Laboratory, Department of Environmental Science and Engineering, Indian Institute of Technology (IIT; Indian School of Mines, ISM), Dhanbad 826004, Jharkhand, India
2. Nano-Engineering Laboratory of Energy & Environmental Technologies, Department of Chemical Engineering, Ryerson University, Toronto, Ontario M5B 2K3, Canada
3. Institut National de la Recherche Scientifique, Centre Énergie, Matériaux et Télécommunications, 1650 Boulevard Lionel-Boulet, Varennes, Québec J3X 1S2, Canada
4. Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, P. R. China