A rapid construction strategy of NaYF4:Yb,Er@CDs nanocomposites for dual-mode anti-counterfeiting

Haopeng Wei; Yihao Zheng; Xingcai Zhang; Ping Liang; Xiaokai Xu; Chaofan Hu; Xuejie Zhang; Bingfu Lei; Yingliang Liu; Jianle Zhuang

doi:10.1039/D2MA00418F

A rapid construction strategy of NaYF₄:Yb,Er@CDs nanocomposites for dual-mode anti-counterfeiting†

Haopeng Wei,‡^ab Yihao Zheng,‡*^ab Xingcai Zhang,

^cd Ping Liang,^ab Xiaokai Xu,^ab Chaofan Hu,

^ab Xuejie Zhang,

^ab Bingfu Lei,

^ab Yingliang Liu

*^ab and Jianle Zhuang

*^ab

Author affiliations

* Corresponding authors

^a Key Laboratory for Biobased Materials and Energy of Ministry of Education/Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China
E-mail: chemzhengyh@163.com, tliuyl@scau.edu.cn, zhuangjl@scau.edu.cn

^b Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China

^c School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA

^d School of Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA

Abstract

A rapid construction strategy is for the first time developed to achieve the composite structure of NaYF₄:Yb,Er and carbon dots (CDs) through electrostatic interactions in only half a minute. The resulting NaYF₄:Yb,Er@CDs nanocomposites have superior dual-mode luminescence properties, showing promising application prospects in the field of advanced optical anti-counterfeiting.

Materials Advances

A rapid construction strategy of NaYF₄:Yb,Er@CDs nanocomposites for dual-mode anti-counterfeiting†

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A rapid construction strategy of NaYF₄:Yb,Er@CDs nanocomposites for dual-mode anti-counterfeiting

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