1. Department of Chemistry; Yogi Vemana University; Kadapa- 516 003 Andhra Pradesh India
2. Nano Catalysis and Solar Fuels Research Laboratory; Department of Materials Science&Nanotechnology; Yogi Vemana University; Kadapa- 516 003 Andhra Pradesh India
3. Department of Chemistry; Vellore Institute of Technology; Vellore- 632014 Tamil Nadu India