1. DST Unit of Nanoscience (DST UNS) and Thematic Unit of Excellence, Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
2. Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai 600036, India
3. Division of Biochemistry and Biotechnology, Council of Scientific and Industrial Research, Central Leather Research Institute, Chennai 600036, India
4. International Centre for Clean Water, Second Floor, B-Block, IIT Madras Research Park, Kanagam Road, Taramani, Chennai 600113, India