Invisible thermoplasmonic indium tin oxide nanoparticle ink for anti-counterfeiting applications

HIGHLIGHTS

• who: Arianna Mazzotta and colleagues from the The , dispersion described above was used as a plasmonic ink that was loaded into the inkjet printer allowing the fabrication of multiple patterns that were transparent to the naked eye but thermally visible under NIR irradiationIn particular, after the solvent exchange (from hexane to dichlorobenzene) to optimize the printing process, we used the prepared dispersion at a nominal concentration of , mg/mL to directly deposit ITO NP layers by inkjet printing it on a target substrate of TEONEX PEN film. The latter was selected due to its transparency to visible . . .
  

   

  

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