Figure 8From: Multicolor Layer-by-Layer films using weak polyelectrolyte assisted synthesis of silver nanoparticles AFM images (25x25 μm) of PAH/PAA-AgNPs (violet coloration) after a thermal treatment as a function of number of bilayers (a) 10 bilayers; (b) 20 bilayers; (c) 30 bilayers and (d) 40 bilayers. Back to article page