Figure 2.

TEM micrographs of the attached iron oxide nanoparticles. (A) Particles attached to SiO2 and (B) particles attached to TiO2. The insets show the histograms of the particle sizes.

TEM micrographs of the attached iron oxide nanoparticles. (A) Particles attached to SiO2 and (B) particles attached to TiO2. The insets show the histograms of the particle sizes.