Research Article

Ultra-Thin Films of Poly(acrylic acid)/Silver Nanocomposite Coatings for Antimicrobial Applications

Figure 3

The UV-Vis spectrum of prepared Ag nanoparticles in absence of PAA (only: AgNO3-AA-citrate-NaBH4) (a) and in presence of PAA (PAA-AgNO3-AA-citrate-NaBH4) (b).