Fabrication of Hollow Silica Particles Using a Self-Assembled Polyethylene Granule as a Template

Figure 6

(a) SEM and TEM images of silica-coated RC3 granule incorporated with Fe₃O₄ nanoparticle after calcination at 500°C for 2 hr. (b) XRD spectra of 50 nm Fe₃O₄ nanoparticle before and after heat treatment in air. (c) mHSP separation by a magnet after iodine absorption from the iodine contaminated water.

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(b)

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