Fig. 3From: Efficient removal of safranin from aqueous solution using a new type of metalated highly self-doped polyaniline nanocompositeSEM images of: (upper) Copolymer 6 [scale bar (a) 5 μm; b) 500 nm]; (middle) The composite SiO2@Ag 3 [scale bar (a) 2 μm; b) 500 nm]; and (bottom) the copolymer/L-ascorbic/SiO2@Ag composite 7: (a) solid state; (b) suspension in dioxaneBack to article page