1. Department of Nanoscience and Technology, Alagappa University, Karaikudi 630 003, Tamil Nadu, India
2. Department of Botany, Alagappa University, Karaikudi 630 003, Tamil Nadu, India
3. Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 106, Taiwan
4. Research and Development Center for Smart Textile Technology, National Taipei University of Technology, Taipei 106, Taiwan
5. Department of Materials, Imperial College London, London SW7 2AZ, U.K.