Research Article

Effect of the Surfactant on the Growth and Oxidation of Iron Nanoparticles

Figure 6

(a) UV-Vis and (b) IR analysis corresponding to nanoparticles synthesized with different concentrations of polyvinylpyrrolidone: 1.0 M (Fe), 0.5 M (Fe3O4), and 0.01 M.
(a)
(b)