1. Department of Chemistry, Utkal University, Vani Vihar, Bhubaneswar 751004, India
2. Centre for Advanced Materials and Applications, Utkal University, Vani Vihar, Bhubaneswar 751004, India
3. Department of Hydro & Electrometallurgy, CSIR-Institute of Minerals and Materials Technology, Bhubaneswar 751013, India