基于稀土离子掺杂的动态防伪与加密荧光材料的研究进展  

Research Progress of Dynamic Anti-counterfeiting and Encryption Fluorescent Materials Based on Rare Earth Ion Doping

作　　者：李锡正 龙章文 杨勇[1,2] 王齐 周大成[1,2] 邱建备 Li Xizheng;Long Zhangwen;Yang Yong;Wang Qi;Zhou Dacheng;Qu Jianbei(Faculty of Materials Science and Engineering,Kunming University of Science and Technology,Kunming 650093,China;Key Laboratory of Advanced Materials of Yunnan Province,Kunming 650093,China)

机构地区：[1]昆明理工大学材料科学与工程学院,云南昆明650093 [2]云南省新材料制备与加工重点实验室,云南昆明650093

出　　处：《中国稀土学报》2023年第4期641-654,I0001,共15页Journal of the Chinese Society of Rare Earths

基　　金：国家自然科学基金-云南联合基金项目(U1902222);国家自然科学基金项目(11774138,12064021,51862020);云南省自然科学基金项目(2019HC016,202001AT070037)资助。

摘　　要：信息的加密与防伪技术是当今信息安全领域中的重要研究内容,其中稀土荧光材料加密与防伪技术由于其并行性、高通量和低成本而备受人们的青睐。本文简述了防伪与加密稀土荧光材料的国内外研究进展,特别是动态防伪材料的发展。同时,解释动态荧光防伪材料的防伪机制和特点,简要介绍了几种模式,包括:下转换发光、上转换发光、光激励发光,荧光共振能量转移。同时指出激活剂与基质的选择和陷阱的引入对动态防伪与加密荧光材料也有十分重要的意义。Information encryption and anti-counterfeiting technology is an important research content in the field of information security,among which rare earth fluorescent materials encryption and anti-counterfeiting technology is favored by people because of its parallelism,high throughput and low cost.In this paper,the research progress of anti-counterfeiting and encryption rare earth fluorescent materials is reviewed,especially the development of dynamic anti-counterfeiting materials.At the same time,the anti-counterfeiting mechanism and characteristics of dynamic fluorescent anti-counterfeiting materials are explained,and several modes,including down-conversion luminescence,up-conversion luminescence,photoexcitation luminescence and fluorescence resonance energy transfer,are briefly introduced.It is also pointed out that the selection of activator and matrix and the introduction of traps are very important for the dynamic anti-counterfeiting and encryption of fluorescent materials.

关 键 词：防伪 加密 动态 稀土荧光 

分 类 号：O482.31[理学—固体物理] O614.33[理学—物理]