1. Department of Chemistry, Indian Institute of Technology, Jodhpur, Rajasthan-342030, India
2. Department of Physics, Guru Nanak Dev University, Amritsar, Punjab-143005, India
3. Department Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab-143005, India
4. Department of Chemical and Biological Engineering, University at Buffalo (SUNY), Buffalo, New York 14260, United States