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

Figure 5

SEM images of silica-coated granules according to a reaction time of (a) 0.5 hr, (b) 2 hr, and (c) 4 hr and broken pieces after calcination in the inset. (d) Shell thickness obtained from (c). (e) TGA thermograms of the RC3 granule and silica-coated RC3 granule. (f) TEM image of HSP calcinated at 500°C for 2 hr in air condition.

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