1. Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali 140306, Punjab, India
2. Semi-Conductor Laboratory, Ministry of Electronics and Information Technology, Sector 72, Mohali 160071, Punjab, India
3. Department of Chemistry, Panjab University, Sector 14, Chandigarh 160014, Punjab, India
4. School of Chemical Science, Amity University, Sector 82A, IT City, International Airport Road, Mohali 140306, Punjab, India