Figure 6.
Low magnification TEM images of the mesoporous particles after attempting the encapsulation of (a) γ-Fe2O3 without coating; (b) γ-Fe2O3-1 coated with APTEs and (c) γ-Fe2O3-2 coated with silica. Adapted with permission from [73]. Copyright 2012 Royal Society of Chemistry (London, UK).
