1. Chemistry & Physics of Materials Unit and Thematic Unit of Excellence in Nanochemistry; Jawaharlal Nehru Centre for Advanced Scientific Research; Jakkur P.O; Bangalore 560 064 India
2. DST Unit of Nanoscience and Thematic unit of Excellence; Department of Chemistry; Indian Institute of Technology Madras; Chennai 600036 India
3. Centre for Nano and Soft Matter Sciences; Jalahalli Bangalore 560 013 India