1. Functional Nanomaterials and Polymer Nanocomposite Laboratory, Department of Physics, VIT-AP University, Amaravati, Guntur, Andhra Pradesh, India
2. New Technologies – Research Center, University of West Bohemia, Plzeň, Czech Republic
3. Department of Physics, Kristu Jayanti College, Bangalore, India
4. School of Computer Science and Engineering, VIT-AP University, Amaravati, Guntur, Andhra Pradesh, India
5. Department of Chemistry, Amolakchand Mahavidyalaya, Yavatmal, India