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Facile fabrication of luminescent rare-earth-doped PS/AA composites for anti-counterfeiting applications

文献类型： 外文期刊

作者： Wang, Qing 1 ; Xie, Dong 1 ; Chen, Junjia 1 ; Liu, Guang 3 ; Yu, Mingguang 2 ;

作者机构： 1.Guangdong Acad Sci, Guangdong Biomat Engn Technol Res Ctr, Inst Bioengn, Guangzhou 510316, Peoples R China

2.Foshan Univ, Guangdong Key Lab Hydrogen Energy Technol, Sch Mat Sci & Hydrogen Energy, Foshan 528000, Peoples R China

3.Guangdong Acad Agr Sci, Guangdong Key Lab Agr Prod Proc, Sericultural & Agri Food Res Inst, Key Lab Funct Foods,Minist Agr, Guangzhou 510610, Peoples R China

期刊名称：JOURNAL OF MATERIALS SCIENCE （ 影响因子：3.553； 五年影响因子：3.282 ）

ISSN： 0022-2461

年卷期： 2021 年 56 卷 23 期

页码：

收录情况： SCI

摘要： Herein, a facile method to develop luminescent PS/AA/Rare-Earth-doped composites was presented. The PS/AA microspheres were first carried out via one-pot dispersion polymerization. Then, the PS/AA microspheres bearing free carboxyl groups were used as templates for surface chemical deposition of rare earth ions forming lanthanide-based nanocrystal-doped PS/AA composites. The morphologies and structures of resulting composites were characterized by SEM, TEM, FT-IR, TGA, and XPS. The photoluminescence properties of the composite microspheres were also investigated. By adjusting the amount of AA, the fluorescence intensity could be well-controlled. After blending with PVA into ink, the obtained PS/AA/Rare-Earth-doped composites possessed good fluorescence stability. The facile synthesis method introduced here has the advantages of mass production of security ink with fluorescent stability for anti-counterfeiting purposes.

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