Fig. 1

From left in columns: photographs of the samples shortly after deposition, after drying, and SEM microscope images of the microstructure (for two magnifications) and the EDX spectrum with the chemical composition of the samples studied.

From left in columns: photographs of the samples shortly after deposition, after drying, and SEM microscope images of the microstructure (for two magnifications) and the EDX spectrum with the chemical composition of the samples studied.