Fig. 14From: Poly (aniline-co-aniline-2,5-disulfonic acid) / L-ascorbic acid / Ag@SiO2 / polysafranin nanocomposite: synthesis, characterization and anomalous electrical behaviourAC electrical conductivity versus frequency (10 to 2 × 107 Hz) in the temperature range (303 K to 393 K) for the (a) organic copolymer (8), (b) copolymer/L-ascorbic/Ag@SiO2/ploysafranin nanocomposite (12) and (c) poly(disulfonated aniline) (6)Back to article page