1. Department of Chemistry, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur 613401, Tamil Nadu, India
2. Centre for Nano Technology & Advanced Biomaterials (CeNTAB) and School of Electrical & Electronics Engineering, SASTRA Deemed University, Thanjavur 613401, Tamil Nadu, India
3. Department of Textile & Fibre Engineering, Indian Institute of Technology, New Delhi 110 016, India
4. Department of Chemistry, National Institute of Technology Warangal, Warangal 506004, Telangana, India