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Resolution: standard / high Figure 5.
XPS spectra of the naked, amino-functionalized, and titania coating ultrafine Fe3O4 NPs. XPS spectra for ultrafine Fe3O4 NPs (curve a), APTES-coated ultrafine Fe3O4 NPs (curve b) and ultrafine Fe3O4/TiO2 hybrid NPs (curve c) comparison (a), the regions for Fe 2p (b), Si 2p (c), O 1s (d), and C 1s (e), comparison respectively.
Wu et al. Nanoscale Research Letters 2011 6:533 doi:10.1186/1556-276X-6-533 |
