Green Synthesis of Silver Nanoparticles Using Azadirachta Indica and Tinospora Cordifolia Leaves Extracts- Their Optical and Photocatalytic Study

Silver nanoparticles (AgNPs) have existed synthesised by way of green route utilizing two various plant extracts: Azadirachta indica (Neem) and Tinospora cordifolia (Giloe) leaves extracts. The establishment of AgNPs has existed noticed from the colour change of the answer and is further habitual by UV-Vis Spectroscopy. Optical characteristics of combined samples have happened completed activity utilizing UV–VIS spectrophotometer. For Ag- A. indica NPs, the absorbance maximum happens at 440 nm and the equivalent absorbance peak happen at 345 nm in the case of Ag- T. cordifolia NPs. Optical band break strength has existed supposed utilizing Tauc’s connection and alternatives of band breach strength at various opportunity pauses were analysed for the AgNPs samples able utilizing Azadirachta indica (Neem) also asTinospora cordifolia (Giloe) leaves extracts. Particle intensity has happened erect to decrease accompanying occasion for Ag- A. indica NPs when in fact piece height increases accompanying period for Ag- T. cordifolia NPs. The combined Ag NPs serve as a motivation for the depravity of methylene vulgar (MB) dye under seeable light. The portion of depravity was establish expected 87.56% inside 45 proceedings of uncovering to apparent light.

Author(s) Details:

Suvankar Saha,
Department of Physics, Bodoland University, Kokrajhar, Assam-783370, India.

P. K. Mochahari,
Department of Physics, Bodoland University, Kokrajhar, Assam-783370, India.

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Keywords: Green synthesis, silver nanoparticles, Azadirachtaindica, Tinospora cordifolia, photocatalytic degradation, Methylene Blue ( MB ) dye

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