1. Department of Physics, Hindustan Institute of Technology and Science (Deemed to be University), Padur, Chennai, Tamil Nadu, India;
2. Department of Mechanical Engineering, Hindustan Institute of Technology and Science (Deemed to be University), Padur, Chennai, Tamil Nadu, India;
3. Department of Chemistry, Hindustan Institute of Technology and Science (Deemed to be University), Padur, Chennai, Tamilnadu, India