1. Department of Chemistry, Guru Nanak Dev University, Amritsar 143005, India
2. Department of Physics, School of Natural Sciences, Shiv Nadar Institute of Eminence, NH91, Tehsil Dadri, G. B. Nagar, Greater Noida 201314, Uttar Pradesh, India
3. Institute for Medical Physics and Biophysics, Leipzig University, Leipzig 04107, Germany