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a–f) SEM and a′–f′) TEM images of amine‐functionalized nanosilica synthesized in an ethanol/ethyl ether (10:20 mL) emulsion system at reaction temperatures of a, a′) 10, b, b′) 15, c, c′) 20, d, d′) 25, e, e′) 30, and f, f′) 35 °C. Scale bars in the SEM images are 1 μm. Reprinted with permission from Ref. 27. Copyright 2015 Royal Society of Chemistry.
