The Effects and Role of Polyvinylpyrrolidone on the Size and Phase Composition of Iron Oxide Nanoparticles Prepared by a Modified Sol-Gel Method

<div>FTIR spectra for obtained iron oxides showing the main differences in samples composition with the variation of Fe<sup>3+</sup> : PVP monomer ratio.</div>

Journal of Nanomaterials

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Figure 1

Figure 1: The Effects and Role of Polyvinylpyrrolidone on the Size and Phase Composition of Iron Oxide Nanoparticles Prepared by a Modified Sol-Gel Method 

Figure 1 | The Effects and Role of Polyvinylpyrrolidone on the Size and Phase Composition of Iron Oxide Nanoparticles Prepared by a Modified Sol-Gel Method 