Figure 3From: Facile Fabrication of Ultrafine Hollow Silica and Magnetic Hollow Silica Nanoparticles by a Dual-Templating Approach a, c TEM micrographs of annealed samples S3 and S4. The inset is the image of the product with high magnification image. b, d The corresponding size distribution histograms of S3 and S4. e The magnification image of S4 and the in suit SAED pattern (f)Back to article page