1. Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
2. Department of Chemistry and Biochemistry, Florida State University, 95 Chieftan Way, Tallahassee, Florida 32306, United States
3. Department of Mechanical Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
4. Faculty of Physics, Al. I. Cuza University, 700506 Iasi, Romania