Figure 3.

FTIR spectra for bare iron oxide (a) and carbon-coated iron oxide (b) nanoparticles, respectively. The bands at 1,700 and 1,610 cm-1 in the spectra of carbon-coated iron oxide are associated with the C = O and C = C vibrations, respectively.

Bae et al. Nanoscale Research Letters 2012 7:44   doi:10.1186/1556-276X-7-44
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