1. Nanocrystalline Laboratory, Centre for Material for Electronic Technology (CMET), Department of Information Technology, Govt. of India, Panchawati, Off Pashan Road, Pune 411007, India
2. Prof. John Barnabas School for Biological Studies, Department of Chemistry, Ahmednagar College, Ahmednagar 414001, India
3. Department of Physics, Savitribai Phule Pune University, Pune 411008, India