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- Title
GREEN SYNTHESIS OF SILVER NANOPARTICLES FROM ANNONA SQUAMOSA &CARICA PAPAYA LEAVES AND ITS APPLICATION IN DYE DEGRADATION.
- Authors
Nandy, Sucharita; Padma, S.
- Abstract
The synthesis of nanoparticles using plant extracts has gained credence owing to their cost effective and eco-friendly applications. The work presented herein demonstrates the green synthesis of silver nanoparticles using the Annona squamosa & Carica papaya leaf extracts. The formation of the silver nanoparticles was confirmed by UV-Vis spectral analysis, scanning electron microscopy (SEM) and X-Ray diffraction (XRD) analysis. The catalytic activity of the green synthesized silver nanoparticles (AgNPs), in the degradation of dyes and permitted food colours, was then examined. The AgNPs formed with the Carica papaya leaf extract were found to degrade the dyes like Malachite green, bromophenol blue, methylene blue, brilliant blue to a greater extent (60-64%) in comparison to the AgNPs formed from Annona squamosa leaf extracts. However, both the samples could not degrade permitted food colours like apple green, orange red and kesar yellow thereby confirming their specificity to dyes. These AgNPs also functioned as a nanocatalyst in the degradation of methylene blue by ascorbic acid. Hence, these AgNPs have a potential to be equally eco-friendly and effective to be utilised for degradation purposes for a better environmental study and goal.
- Subjects
SILVER nanoparticles; NANOPARTICLE synthesis; ANNONA
- Publication
Journal of Advanced Scientific Research, 2020, Vol 11, p125
- ISSN
0976-9595
- Publication type
Article