Polymer Free Volume-Controlled Molecular Clock and Emitter for Multicolored Transient Data Display in Advanced Photonic Cryptography
Xiaocheng Zhang
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao West Road, Fuzhou, Fujian, 350002 P. R. China
College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108 P. R. China
Fujian College, University of Chinese Academy of Sciences, Fuzhou, Fujian, 350002 P. R. China
These authors contributed equally to this work.
Search for more papers by this authorRumeng Yang
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao West Road, Fuzhou, Fujian, 350002 P. R. China
College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108 P. R. China
Fujian College, University of Chinese Academy of Sciences, Fuzhou, Fujian, 350002 P. R. China
These authors contributed equally to this work.
Search for more papers by this authorYu Dong
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao West Road, Fuzhou, Fujian, 350002 P. R. China
University of Chinese Academy of Sciences, Beijing, 100049 P. R. China
Search for more papers by this authorChuang Zhang
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao West Road, Fuzhou, Fujian, 350002 P. R. China
College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108 P. R. China
Fujian College, University of Chinese Academy of Sciences, Fuzhou, Fujian, 350002 P. R. China
Search for more papers by this authorCorresponding Author
Dr. Shiyu Feng
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao West Road, Fuzhou, Fujian, 350002 P. R. China
Fujian College, University of Chinese Academy of Sciences, Fuzhou, Fujian, 350002 P. R. China
University of Chinese Academy of Sciences, Beijing, 100049 P. R. China
Search for more papers by this authorCorresponding Author
Prof. Weiguo Huang
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao West Road, Fuzhou, Fujian, 350002 P. R. China
Fujian College, University of Chinese Academy of Sciences, Fuzhou, Fujian, 350002 P. R. China
University of Chinese Academy of Sciences, Beijing, 100049 P. R. China
Search for more papers by this authorXiaocheng Zhang
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao West Road, Fuzhou, Fujian, 350002 P. R. China
College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108 P. R. China
Fujian College, University of Chinese Academy of Sciences, Fuzhou, Fujian, 350002 P. R. China
These authors contributed equally to this work.
Search for more papers by this authorRumeng Yang
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao West Road, Fuzhou, Fujian, 350002 P. R. China
College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108 P. R. China
Fujian College, University of Chinese Academy of Sciences, Fuzhou, Fujian, 350002 P. R. China
These authors contributed equally to this work.
Search for more papers by this authorYu Dong
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao West Road, Fuzhou, Fujian, 350002 P. R. China
University of Chinese Academy of Sciences, Beijing, 100049 P. R. China
Search for more papers by this authorChuang Zhang
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao West Road, Fuzhou, Fujian, 350002 P. R. China
College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108 P. R. China
Fujian College, University of Chinese Academy of Sciences, Fuzhou, Fujian, 350002 P. R. China
Search for more papers by this authorCorresponding Author
Dr. Shiyu Feng
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao West Road, Fuzhou, Fujian, 350002 P. R. China
Fujian College, University of Chinese Academy of Sciences, Fuzhou, Fujian, 350002 P. R. China
University of Chinese Academy of Sciences, Beijing, 100049 P. R. China
Search for more papers by this authorCorresponding Author
Prof. Weiguo Huang
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao West Road, Fuzhou, Fujian, 350002 P. R. China
Fujian College, University of Chinese Academy of Sciences, Fuzhou, Fujian, 350002 P. R. China
University of Chinese Academy of Sciences, Beijing, 100049 P. R. China
Search for more papers by this authorAbstract
The booming demand on data security has aroused great interest for developing smart materials with temporal display feature and dynamic multicolor fluorescence. However, it remains challenging to implement both features on most responsive molecules. Herein, we construct a polymer free volume-controlled “molecular clock and emitter” via covalently embedding a multi-stimuli responsive molecular switch (i.e., spiropyran) into a polymer network (i.e., poly(pentafluorophenyl acrylate)) with programmable crosslink density and free volume. By the aminolysis of pentafluorophenyl ester with different amount of diamine crosslinkers, pPFPA-co-SP networks with controllable crosslink densities are generated, which have different confinement effects on the rate constant of SP/MC isomerization, thus leading to time-dependent photochromism. In addition, PTF1, a fluorescent probe that is sensitive to polymer rigidity, is introduced to further endow pPFPA-co-SP system with phototunable dynamic full-color emission. Therefore, relying on their synergistical responses to the rigidity of the polymer network, we have successfully developed a versatile molecular clock and emitter via an “one stone two birds” manner, which shows time-dependent data display along with dynamic multicolor fluorescence switching, providing great potential for advanced encryption and anticounterfeiting with a high security level.
Conflict of Interests
The authors declare no conflict of interest.
Open Research
Data Availability Statement
The data that support the findings of this study are available in the supplementary material of this article.
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