1. Department of Physics & Nanotechnology, SRM University of Science and Technology, Kattankulathur, Chennai 603203, Tamil Nadu, India
2. Nano-Technology Research Laboratory, Department of Chemistry, GLA University, Mathura, Uttar Pradesh 281406, India
3. Department of Chemical Engineering, Khalifa University, P.O. Box 127788, Abu Dhabi, United Arab Emirates
4. Department of Chemistry, Khalifa University, P.O. Box 127788, Abu Dhabi, United Arab Emirates