Figure 2From: A comparative study of non-covalent encapsulation methods for organic dyes into silica nanoparticles TEM images of silica nanoparticles with different average sizes. (A) 1b (44 ± 3 nm), (B) 2b (46 ± 3 nm), (C) 1 h (46 ± 3 nm), (D) 2b (47 ± 4 nm), (E) 4b (40 ± 3 nm) and (F) 4a (41 ± 4 nm). Scale bar: 100 nm.Back to article page