Recent Advances in Colloidal Photonic Crystal-Based Anti-Counterfeiting Materials
Mengyao Pan,
Lebin Wang,
Shuliang Dou,
Jiupeng Zhao,
Hongbo Xu,
Bo Wang,
Leipeng Zhang,
Xiaobai Li,
Lei Pan,
Yao Li
Affiliations
Mengyao Pan
Center for Composite Material and Structure, Harbin Institute of Technology, Harbin 150001, China
Lebin Wang
Center for Composite Material and Structure, Harbin Institute of Technology, Harbin 150001, China
Shuliang Dou
Center for Composite Material and Structure, Harbin Institute of Technology, Harbin 150001, China
Jiupeng Zhao
MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
Hongbo Xu
MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
Bo Wang
Center for Composite Material and Structure, Harbin Institute of Technology, Harbin 150001, China
Leipeng Zhang
Center for Composite Material and Structure, Harbin Institute of Technology, Harbin 150001, China
Xiaobai Li
Center for Composite Material and Structure, Harbin Institute of Technology, Harbin 150001, China
Lei Pan
MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
Yao Li
Center for Composite Material and Structure, Harbin Institute of Technology, Harbin 150001, China
Colloidal photonic crystal (PC)-based anti-counterfeiting materials have been widely studied due to their inimitable structural colors and tunable photonic band gaps (PBGs) as well as their convenient identification methods. In this review, we summarize recent developments of colloidal PCs in the field of anti-counterfeiting from aspects of security strategies, design, and fabrication principles, and identification means. Firstly, an overview of the strategies for constructing PC anti-counterfeiting materials composed of variable color PC patterns, invisible PC prints, and several other PC anti-counterfeiting materials is presented. Then, the synthesis methods, working principles, security level, and specific identification means of these three types of PC materials are discussed in detail. Finally, the summary of strengths and challenges, as well as development prospects in the attractive research field, are presented.
