Using diamond microparticles to create high security anti-counterfeit labels hkuniversity NatureComms
. For example, some AI algorithms could be applied for the rapid and accurate authentication of the diamond-PUFs by comparing the “fingerprint” of shape features and light scattering spectra of the diamond particles. Furthermore, actual perturbations must be considered in practical applications. Therefore, robust AI-assisted authentication is critical for practical usage.
In summary, we propose and demonstrate an advanced anti-counterfeiting material, i.e., diamond microparticles with SiV centers on Si wafer by CVD fabrication. Our findings offer the welcome prospect of the immediate development of a robust, dynamic, trustworthy, and intelligent anti-counterfeiting strategy. The PUF nature of the light scattering patterns, spectra, shape, and the SiV PL intensity of the diamond microparticles offer high-capacity static encoding.
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