1. Department of Chemistry, Periyar University, Salem 636011, Tamilnadu, India
2. Centre for Nanoscience and Nanotechnology, Periyar University, Salem 636011, Tamilnadu, India
3. Department of Physics, School of Basic and Applied Sciences, Central University of Tamilnadu, Thiruvarur 610 101, Tamilnadu, India
4. Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopedic Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiaotong University School of Medicine, 639 Zhizaoju Road, Shanghai 20011, P. R. China