Thermally Driven Amorphous‐Crystalline Phase Transition of Carbonized Polymer Dots for Multicolor Room‐Temperature Phosphorescence (Advanced Optical Materials 16/2021)

Multicolor carbon dots‐based materials offer a variety of opportunities for potential applications in bioimaging, optoelectronic devices, and information security. In article number 2100421, Zifei Wang and co‐workers present a strategy for the first time based on thermally driven amorphous‐crystalli...

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Bibliographic Details
Published in:Advanced optical materials 2021-08, Vol.9 (16), p.n/a
Main Authors: Wang, Zifei, Shen, Jian, Xu, Bin, Jiang, Qinglin, Ming, Shouli, Yan, Liting, Gao, Zhenhua, Wang, Xue, Zhu, Chaofeng, Meng, Xiangeng
Format: Article
Language:English
Subjects:
anti‐counterfeiting
carbonized polymer dots
Crystal structure
Crystallinity
Inks
Materials science
Medical imaging
Optics
Optoelectronic devices
Phase transitions
Phosphorescence
Polymers
Security
thermally stimulated
topological transition
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Summary:Multicolor carbon dots‐based materials offer a variety of opportunities for potential applications in bioimaging, optoelectronic devices, and information security. In article number 2100421, Zifei Wang and co‐workers present a strategy for the first time based on thermally driven amorphous‐crystalline phase transition to achieve multicolor carbonized polymer dots (CPDs) with the emission color tunable from green to orange‐red. Potential application of the developed CPDs as printable and writable security inks for advanced multilevel anti‐counterfeiting and encryption is demonstrated.
ISSN:2195-1071
2195-1071
DOI:10.1002/adom.202170060