1. Inorganic and Physical Chemistry Laboratory, Council of Scientific and Industrial Research (CSIR), Central Leather Research Institute (CLRI), Chennai – 600020, India
2. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad – 201002, India
3. Department of Chemistry/Functional Materials, Technische Universität Berlin, Berlin 10623, Germany
4. Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan