1. Department of Chemistry, Sardar Vallabhbhai National Institute of Technology (SVNIT), Ichchhanath, Surat-395 007, Gujarat, India
2. Solid State Physics Division, Bhabha Atomic Research Centre (BARC), Trombay, Mumbai, 400085, Maharashtra, India
3. Biomacromolecular Systems and Processes, Institute of Biological Information Processing, Forschungszentrum, Julich-52428, Germany
4. Department of Chemistry, Veer Narmad South Gujarat University (VNSGU), Udhana-Magdalla Road, Surat-395 007, Gujarat, India