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

<div>Photoacoustic UV-Vis spectrum of P12 sample showing a broad absorption in the range of 280–550 nm due to the sample electronic transitions.</div>

Journal of Nanomaterials

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Figure 5

Figure 5: The Effects and Role of Polyvinylpyrrolidone on the Size and Phase Composition of Iron Oxide Nanoparticles Prepared by a Modified Sol-Gel Method 

Figure 5 | The Effects and Role of Polyvinylpyrrolidone on the Size and Phase Composition of Iron Oxide Nanoparticles Prepared by a Modified Sol-Gel Method 