Scientists from the Institute of Automation and Control Processes at the Far Eastern Branch of the Russian Academy of Sciences partnered with researchers from Spain and Japan to develop a silicon and gold nanomaterial aimed at fighting counterfeit goods. The project received support from the Russian Science Foundation through a grant, as reported to socialbites.ca.
The innovative material captures light with remarkable efficiency and converts that energy into heat, functioning as a nanothermometer in addition to its sensing capabilities. This dual behavior lays the groundwork for forming films with a distinctive pattern created by a nanoparticle placement technique. Such patterned films have potential use in protective optical labels designed to deter and identify counterfeit items.
According to the team, the coding capacity of these optical tags is immense. The researchers estimate a coding capability in the range of 10 to the 3000th power, meaning an attacker would need an astronomical number of attempts to reproduce any tag. This makes the labels practically uncopyable from a physical standpoint, a point emphasized by Stanislav Gurbatov, a candidate of physical and mathematical sciences and senior researcher involved in the project.
The scientists note that the nanoparticle synthesis process is straightforward. Its high yield, producing several grams per hour, supports commercial viability for applications such as nanosensors, solar energy conversion, and anti counterfeiting labeling.
Looking ahead, the team plans to investigate the optical properties of the synthesized nanoparticles in greater depth. They intend to explore how initial component concentrations and solvent type influence these properties, with the aim of optimizing performance for practical use.
This research highlights a growing trend in advanced materials science where hybrid nanostructures combine strong light–matter interactions with scalable production methods. The collaboration across international borders underscores the value of shared expertise in advancing security technologies that address real world challenges in product authentication and brand protection.
The project is part of a broader effort to create durable, heat generating nanoscale components that can be integrated into labeling systems without compromising usability or cost. As experiments continue, the researchers anticipate refining the nanoparticle placer technique to achieve even more precise control over film patterns and color signatures. The potential impact spans consumer goods, pharmaceuticals, electronics, and luxury brands that require robust, accessible anti counterfeit solutions.
Remarkable progress in this field reflects ongoing investments in science and innovation within the Russian Far East, complemented by international collaboration. The national funding body acknowledges that such partnerships accelerate the translation of laboratory discoveries into practical tools for industry and public safety. The current results offer a glimpse of a future where counterfeit detection and product verification rely on sophisticated, physically secure nanomaterials rather than traditional paper seals or holograms. [Attribution: Russian Science Foundation; Institute of Automation and Control Processes; Far Eastern Branch of the Russian Academy of Sciences; partners in Spain and Japan]