期刊
INORGANIC AND NANO-METAL CHEMISTRY
卷 50, 期 2, 页码 57-65出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/24701556.2019.1661468
关键词
Silver nanoparticles; Z; officinale rhizome extract; catalytic dye degradation
资金
- DST, Govt. of India [SB/FT/CS-100/2012]
Silver nanoparticles were synthesized through an eco-friendly process using an extract of Zingiber officinale rhizome. Spectrophotometric analysis of the AgNPs exhibited sharp band centered around 400-420 nm. The functionality of phytochemicals present in the Z. officinale was identified using FTIR spectroscopy. The characterization of synthesized AgNPs was done by UV-Vis spectroscopy, transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDX), and selected area electron diffraction pattern (SAED), particle size, and zeta potential analyzer. The average measured size and diameter of AgNPs were similar to 20 nm, measured by XRD and TEM. We have successfully utilized the AgNPs as efficient catalyst in degradation of harmful dyes: methylene blue, methyl red, and safranin O. The rate constant for the degradation of dyes was found to be 14.25 x 10(-3 )sec(-1), 9.68 x 10(-3 )sec(-1) and 4.72 x 10(-3)sec(-1) for methylene blue, methyl red, and safranin O respectively.
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