Green synthesis of silver nanoparticles and their applications as colorimetric probe for determination of Fe 3+ and Hg 2+ ions

Silver nanoparticles (AgNPs) were prepared by a green method using leaf extract. They were characterised by UV-vis spectroscopy, Fourier transform infrared spectroscopy and their X-ray diffraction pattern. Their sizes were determined by scanning electron micrographs, transmission electron micrograph...

Full description

Saved in:
Bibliographic Details
Published in:IET nanobiotechnology 2018-08, Vol.12 (5), p.673-677, Article 673
Main Authors: Azimpanah, Razieh, Solati, Zahra, Hashemi, Majid
Format: Article
Language:English
Subjects:
Colorimetry - methods
Cordia - metabolism
Green Chemistry Technology - methods
Iron - analysis
Limit of Detection
Mercury - analysis
Metal Nanoparticles - chemistry
Silver - chemistry
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Silver nanoparticles (AgNPs) were prepared by a green method using leaf extract. They were characterised by UV-vis spectroscopy, Fourier transform infrared spectroscopy and their X-ray diffraction pattern. Their sizes were determined by scanning electron micrographs, transmission electron micrographs imaging and dynamic light scattering analysis. The shapes of nanoparticles were spherical or truncated triangular and their average size was determined to be 51.6 nm. Their solution was stable at least for one month. The prepared AgNPs were used as a selective chemical sensor for determination of iron(III) (only when Cl ions were present in the medium) and mercury(II) ions with detection limits of 0.084 and 0.037 nM, respectively. It was shown that the mechanism of these detections is through oxidation of Ag atoms by Fe and Hg ions.
ISSN:1751-875X
1751-8741
1751-875X
DOI:10.1049/IET-NBT.2017.0236