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

Figure 4

SEM images of silica-coated RC3 template as a function of water concentration of (a) 0.82 M, (b) 3.1 M, (c) 5.9 M, and (d) 7.2 M. (e) Silica particle size is displayed according to water concentration.

(a)

(b)

(c)

(d)

(e)