1. Department of Chemistry, Ecole Centrale School of Engineering, Mahindra University, Hyderabad 500043, India
2. Centre for Advanced Studies in Electronic Sciences and Technology, University of Hyderabad, Hyderabad 500046, India
3. Computational Electronics and Nanoscience Research Laboratory, School of Nanoscience and Biotechnology, Shivaji University, Kolhapur 416004, India