Research Article
A Novel Nonenzymatic Hydrogen Peroxide Sensor Based on Magnetic Core-Shell Fe3O4@C/Au Nanoparticle Nanocomposite
Figure 2
(a) FT-IR spectra of the Fe3O4 (curve a), Fe3O4@C (curve b), and Fe3O4@C/AuNPs (curve c), respectively, (b) XRD spectra of the Fe3O4@C/AuNPs. XPS spectra of (c) Fe 2p and (d) Au 4f from Fe3O4@C/AuNPs.
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