Preparation of Graphene Oxide Decorated Fe3O4@SiO2 Nanocomposites with Superior Adsorption Capacity and SERS Detection for Organic Dyes

<div>Magnetic hysteresis loops of Fe3O4, Fe3O4@SiO2, and Fe3O4@SiO2-GO (the insets show the Fe3O4@SiO2-GO aqueous solution before and after magnetic separation by an external magnet).</div>

Journal of Nanomaterials

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Figure 4

Figure 4: Preparation of Graphene Oxide Decorated Fe3O4@SiO2 Nanocomposites with Superior Adsorption Capacity and SERS Detection for Organic Dyes