Fig. 3From: Material priority engineered metal-polyphenol networks: mechanism and platform for multifunctionalitiesUV absorbance at 210 nm as a function of deposition cycles for a PC-MPNI and b PC-MPNII coatings. c UV absorbance at 210 nm and d coating thickness of the PC-MPNI coating before and after treatment with Fe(NO3)3 and HCl solutions. Frequency shift Δf of the PC-MPNI coating in e Fe(NO3)3 and HCl and f PC solutionsBack to article page