1. Energy and Innovative Materials Laboratory (EIML), Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Chennai, India
2. Tribology and Interactive Surfaces Research Laboratory (TRISUL), Department of Mechanical Engineering, Amrita School of Engineering, Chennai, India
3. Department of Civil and Environmental Engineering, National University of Singapore, Singapore, Singapore
4. Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai, India
5. Department of Mechanical Engineering, Centre for Nanofibers and Nanotechnology, National University of Singapore, Singapore, Singapore