Experimental study demonstrates reliable inkjet printing of plasmonic nanobeacon inks, highlighting their viability for authenticity tagging and covert labeling.
a self-assembly process and have indefinite shapes. This plasmonic structure was made into simple ink by mixing it with pure water or existing inkjet printer inks. We discharged this adjusted ink on an inkjet printer to evaluate its surface-enhanced Raman scattering activity and other properties, and confirmed that the ink containing stealth nanobeacons can be printed successfully. The printable ink is expected to be developed into a "Nanotag" information tag and an authenticity tag.
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Yamaguchi et al. (2025) studied this question.
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