Influence of Parameters of Screen Printing on Photoluminescence Properties of Nanophotonic Labels for Smart Packaging

Figure 10

The luminescence spectra of images printed onto the paper with the maximum content of OBAs (paper 3) and ink compositions with the following contents of the fluorescent component (ZnO nanoparticles): (a) 0.15%; (b) 0.1%; (c) 0.05%.

(a)

(b)

(c)