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Abstract
Eco-friendly synthesized silver nanoparticles applied to photodegradation of crystal violet organic dye and their photo-kinetics also studied. Silver nanoparticles prepared from green methods by using microbial extrapolymeric substances. The kinetic studies are carried out at different time intervals under sun radiation of exposure of time is 120 minutes. The degradation percentage of 94.20 %obtained at pH-8, dye concentration 2×10-5M, 1.0 mg/ml catalyst concentration. The rate constant obtained from these studies found 8.0× 10- 5 Sec-1.