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

Figure 13

The luminescence spectra of images printed onto the papers with different content of OBAs using the ink compositions with the following contents of the fluorescent component (ZnO nanoparticles): (a) 0.15%; (b) 0.1%; (c) 0.05%; ink layer thickness: (a) 18.0 ± 1.0 µm, (b)  μm, and (c)  μm.

(a)

(b)

(c)