1. Department of Chemistry, Aligarh Muslim University, Aligarh 202002, India
2. Centre of Excellence in Materials Science (Nanomaterials), Department of Applied Physics, Aligarh Muslim University, Aligarh 202002, India
3. Department of Physics, Aligarh Muslim University, Aligarh 202002, India
4. Department of Biochemistry, Jawaharlal Nehru Medical College, Aligarh Muslim University, Aligarh 202002, India