1. Department of Chemistry, Visva-Bharati University, Santiniketan 731235, West Bengal, India
2. Polymers and Functional Materials Department, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad 500007, India
3. Integrated Science Education and Research Centre, Visva-Bharati University, Santiniketan 731235, West Bengal, India
4. Department of Chemistry, Jadavpur University, Kolkata 700032, India