Luminescent anti-counterfeiting has characteristics of visibility and convenience, which is a popular method in many anti-counterfeiting technologies. However, the anti-counterfeiting luminescent materials have the shortcomings of single emission color and static anti-counterfeiting pattern, leading to easy imitability. It is urgent to develop new luminescent materials that can achieve dynamic and more reliable anti-counterfeiting performance.
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Zhang et al. (2021) studied this question.
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