1. DST Unit on Nanoscience (DST UNS) and Thematic Unit of Excellence; Department of Chemistry; Indian Institute of Technology Madras Chennai 600036 India
2. DST Unit on Nanoscience (DST UNS); Department of Chemistry Department of Biotechnology; Indian Institute of Technology Madras Chennai 600036 India
3. Chemical Lab; CSIR-Central Leather Research Institute; Chennai 600020 India