1. Advanced Physics Laboratory, Department of Physics, University of Pune, Pune, Maharashtra, India
2. Center for Nanomaterials and Energy Devices, School of Physical Sciences, Swami Ramanand Teerth Marathwada University, Nanded, Maharashtra, India
3. Department of Applied Chemistry, Faculty of Engineering and Technology, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
4. Department of Chemistry, College of Science, building no. 5, King Saud University, Riyadh, Saudi Arabia