Spherical gold nanoparticles (GNPs) are synthesized by Turkevich Method and PEL 35 UV-VIS spectrophotometer recorded the wavelength and absorption of the Surface Plasmon Resonance (SPR) peak. The diameter and concentration of solute GNPs are calculated. The concentration of GNPs is done with Beer’s law. The average diameter of GNPs is done via the ratio of SPR peak to the absorbance at 450 nm. The diameters are compared to SEM scan of synthesized GNPs and Sigma-Aldrich values.
"Size and Concentration Analysis of Gold Nanoparticles With Ultraviolet-Visible Spectroscopy,"
Undergraduate Journal of Mathematical Modeling: One + Two:
1, Article 2.
DOI: http://dx.doi.org/10.5038/2326-36126.96.36.19972 Available at: http://scholarcommons.usf.edu/ujmm/vol7/iss1/2
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Jonathan Burns, Mathematics and Statistics
Venkat Bhethanabotla, Chemical and Biomedical Engineering
Parveen Bazard, Global Center for Hearing and Speech Research