ArticleACS applied materials & interfaces2022
Invisible Thermoplasmonic Indium Tin Oxide Nanoparticle Ink for Anti-counterfeiting Applications.
Article in ACS applied materials & interfaces, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Cellulose Nanocrystals and Rice Husk Surface Functionalization Induced by Infrared Thermal Activation.ChemSusChem · 2025Article
- Patterning silver nanowire network via the Gibbs-Thomson effect.Microsystems & nanoengineering · 2025Article
- Three-Dimensional High-Resolution Laser Lithography of CsPbBrNanomaterials (Basel, Switzerland) · 2025Article
- A Comprehensive Review on Printed Electronics: A Technology Drift towards a Sustainable Future.Nanomaterials (Basel, Switzerland) · 2022Review
- Magnetoplasmonics beyond Metals: Ultrahigh Sensing Performance in Transparent Conductive Oxide Nanocrystals.Nano letters · 2022Article
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Authors and funding
9 authors.
Funding
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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 printed samples presented fine features (in the order of 75 μm) and high thermal resolution (of about 250 μm). The findings are supported by thermal finite-element simulations, which also allow us to explore the effect of different substrate characteristics on the thermal readout. Finally, we built a demonstrator comprising a QR Code invisible to the naked eye, which became visible in thermal images under NIR radiation. The high transparency of the printed ink and the high speed of the thermal reading (figures appear/disappear in less than 1 s) offer an extremely promising strategy toward low-cost, scalable production of photothermally active invisible labels.
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Registered trials
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