1. Photocatalysis Laboratory, Department of Chemistry, Annamalai University, Annamalainagar 608002, Tamilnadu, India
2. Research and Development Centre, Bharathiar University, Coimbatore 641046, Tamilnadu, India
3. Nanomaterials Laboratory, Department of Chemistry, International Research Centre, Kalasalingam Academy of Research and Education, Krishnankoil 626126, Tamilnadu, India