2022
DOI: 10.1021/acsami.2c10864
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Invisible Thermoplasmonic Indium Tin Oxide Nanoparticle Ink for Anti-counterfeiting Applications

Abstract: In this study, we present a thermoplasmonic transparent ink based on a colloidal dispersion of indium tin oxide (ITO) nanoparticles, which can offer several advantages as anti-counterfeiting technology. The custom ink could be directly printed on several substrates, and it is transparent under visible light but is able to generate heat by absorption of NIR radiation. Dynamic temperature mapping of the printed motifs was performed by using a thermal camera while irradiating the samples with an IR lamp. The prin… Show more

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Cited by 19 publications
(13 citation statements)
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“…Nanoparticle ink is based on metal oxide nanoparticles which are highly stable and developed from the metal oxide nanoparticle based on copper oxide nanoparticles [ 30 ], indium tin oxide [ 31 ], zinc oxide [ 32 ], and iron oxide nanoparticles [ 33 ]. In general, metal oxide nanoparticle inks are low cost than pure metallic nanoparticle ink and simple to manufacture without any concern about oxidation [ 19 ].…”
Section: Materials and Process: Assessmentmentioning
confidence: 99%
“…Nanoparticle ink is based on metal oxide nanoparticles which are highly stable and developed from the metal oxide nanoparticle based on copper oxide nanoparticles [ 30 ], indium tin oxide [ 31 ], zinc oxide [ 32 ], and iron oxide nanoparticles [ 33 ]. In general, metal oxide nanoparticle inks are low cost than pure metallic nanoparticle ink and simple to manufacture without any concern about oxidation [ 19 ].…”
Section: Materials and Process: Assessmentmentioning
confidence: 99%
“…Compared to other anti-counterfeiting optics, polarized optical anti-counterfeiting by monitoring anti-counterfeit patterns in different polarization angles provides real-time detection with unique advantages of high security, rapid response, simple operation, and great selectivity. [5,[25][26][27] Here, CsPbBr 3 QDs with linear array structures can be generated in the glass by fs laser processing and subsequent lowtemperature heat treatment. It is proved that the CsPbBr 3 QDs with linear array structures in glass have good optical polarization characteristics.…”
Section: Introductionmentioning
confidence: 99%
“…Compared to other anti‐counterfeiting optics, polarized optical anti‐counterfeiting by monitoring anti‐counterfeit patterns in different polarization angles provides real‐time detection with unique advantages of high security, rapid response, simple operation, and great selectivity. [ 5,25–27 ]…”
Section: Introductionmentioning
confidence: 99%
“…Carriers in both semiconductors have a relatively small electron effective mass (≈0.3−0.4m e ). 52,65 Quasi-spherical ITO and FICO NCs with plasmonic resonance in the same near-infrared wavelength range were synthesized by colloidal chemistry approaches 63,66 (for more details see section 1 of the Supporting Information file). Transmission electron microscopy (TEM) morphological and structural analysis revealed a mean size of 9.0 ± 1.7 nm and 15.0 ± 2.3 nm for ITO and FICO NCs, respectively (Figure 2a,b and Figure S1).…”
mentioning
confidence: 99%