1. Department of Chemistry, Indian Institute of Technology (Banaras Hindu University) [IIT (BHU)], Varanasi 221005, Uttar Pradesh, India
2. Department of Chemistry, Prof. Rajendra Singh (Rajju Bhaiya) Institute of Physical Sciences for Study & Research, Veer Bahadur Singh Purvanchal University, Jaunpur 222003, Uttar Pradesh, India