Accessing color-tunable afterglows from single conventional chromophore-based polysaccharide films through palette strategy

Wang, Tianjie; Wang, Zhengshuo; Li, Zijin; Chen, Zheng; Sun, Haowei; Yuan, Hua; Ou, Hanlin; Huang, Xiaoyu; Tan, Yeqiang

doi:10.1016/j.cej.2024.153026

Chemical Engineering Journal

2024

DOI: 10.1016/j.cej.2024.153026

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Accessing color-tunable afterglows from single conventional chromophore-based polysaccharide films through palette strategy

Tianjie Wang,

Zhengshuo Wang,

Zijin Li

et al.

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Cited by 2 publications

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Positional effects of fluorine substitution on room temperature phosphorescence in hexaphenylmelamine derivatives

Guo,

Huang,

Liu

et al. 2025

New J. Chem.

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Positional effects of fluorine substitution on room temperature phosphorescence in hexaphenylmelamine derivatives

Guo,

Huang,

Liu

et al. 2025

New J. Chem.

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Construction of Heterogeneous Aggregation-Induced Emission Microspheres with Enhanced Multi-Mode Information Encryption

Wu,

Yu,

Luo

et al. 2024

Molecules

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Traditional organic light-emitting materials hinder their anti-counterfeiting application in solid state due to their aggregation-caused quenching effect. A facile and straightforward method was reported to introduce AIE molecules into microspheres and manipulate different reaction parameters to prepare AIE microspheres with different morphologies. In this strategy, fluorescent microspheres with spherical, apple-shaped, and hemoglobin-like types were synthesized. Driven by the photocyclization and oxidation of tetraphenylethene, microspheres can be used as an aqueous fluorescence ink with erasable properties. The fluorescent patterns printed by microsphere ink on paper can be irreversibly erased by prolonged exposure to ultraviolet light (365 nm, 60 mw/cm2). Moreover, the multi-morphology microspheres can be further arranged for multiple-information encryption and anti-counterfeiting of barcodes and two-dimensional codes, in which double validation was carried out through fluorescence spectroscopy and laser confocal microscopy. This approach provides a new method for more reliable anti-counterfeiting and information encryption.

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Accessing color-tunable afterglows from single conventional chromophore-based polysaccharide films through palette strategy

Cited by 2 publications

References 68 publications

Positional effects of fluorine substitution on room temperature phosphorescence in hexaphenylmelamine derivatives

Positional effects of fluorine substitution on room temperature phosphorescence in hexaphenylmelamine derivatives

Construction of Heterogeneous Aggregation-Induced Emission Microspheres with Enhanced Multi-Mode Information Encryption

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