Dual stimuli-responsive lanthanide-based phosphors for an advanced full-color anti-counterfeiting system
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Tianlin Wang1, Xiangyi Ji1, Zhanhui Tao1
1State Key Laboratory of Food Nutrition and Safety, College of Food Engineering and Biotechnology, Tianjin University of Science and Technology Tianjin 300457 P. R. China yaqingliu@tust.edu.cn.
Abstract:
Dual stimuli-responsive lanthanide (Ln)-based phosphors were prepared for constructing a multi-level full color anti-counterfeiting system. The encrypted information can be visually read out under UV irradiation. Further triggered by water, not only are the fluorescence colors changed, but so are the patterns of the encrypted information. The Ln-based phosphors can be cost-effectively prepared in a simple way, presenting great potential application in constructing an advanced anti-counterfeiting system with a convenient authentication assay.

