Journal
NANOSCALE RESEARCH LETTERS
Volume 8, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1186/1556-276X-8-318
Keywords
Silver nanoparticles; Rumex hymenosepalus; Antioxidants; Electron microscopy; Green synthesis
Funding
- Consejo Nacional de Ciencia y Tecnologia (Conacyt - Mexico) [128192, 105236]
- Conacyt
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We have synthesized silver nanoparticles from silver nitrate solutions using extracts of Rumex hymenosepalus, a plant widely found in a large region in North America, as reducing agent. This plant is known to be rich in antioxidant molecules which we use as reducing agents. Silver nanoparticles grow in a single-step method, at room temperature, and with no addition of external energy. The nanoparticles have been characterized by ultraviolet-visible spectroscopy and transmission electron microscopy, as a function of the ratio of silver ions to reducing agent molecules. The nanoparticle diameters are in the range of 2 to 40 nm. High-resolution transmission electron microscopy and fast Fourier transform analysis show that two kinds of crystal structures are obtained: face-centered cubic and hexagonal.
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