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The fabrication of dual‐mode patterns in the same region of a material is a promising approach for high‐density information storage, new anti‐counterfeiting technologies, and highly secure encryption. However, dual‐mode patterns are difficult to achieve because the two patterns in one material may interfere with each other during fabrication and usage. The development of noninterfering dual‐mode patterns...
Anticounterfeiting materials are used to distinguish real banknotes, products, and documents from counterfeits, fakes, or unauthorized replicas. However, conventional anticounterfeiting materials generally exhibit a single anticounterfeiting function, resulting in a low level of security. Herein, a novel anticounterfeiting nanocomposite is demonstrated with numerous prominent security features. The...
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