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A new absorption/fluorescence dual-mode hydrochromic dye for water-jet printing and anti-counterfeiting applications

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Abstract

Most hydrochromic materials only exhibit either absorption or fluorescence changes, which greatly restrict their applications. Herein, we reported a new hydrochromic dye capable of a absorption/fluorescence dual-mode change via transforming rhodamine B from its structure of lactone to pyrroline. Taking advantage of its excellent physico-chemical properties, this hydrochromic dye has been applied in water-jet printing, which has fast coloration speed, good reversibility, high resolution, and absorption/fluorescence two-mode display. Based on its fluorescence property, its application in information encryption has been illustrated. This dual-mode hydrochromic dye shows great potential in multifunctional integrated devices.

Graphical abstract: A new absorption/fluorescence dual-mode hydrochromic dye for water-jet printing and anti-counterfeiting applications

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Article information


Submitted
28 Nov 2019
Accepted
12 Jan 2020
First published
14 Jan 2020

J. Mater. Chem. C, 2020, Advance Article
Article type
Paper

A new absorption/fluorescence dual-mode hydrochromic dye for water-jet printing and anti-counterfeiting applications

L. Ju, W. Gao, J. Zhang, T. Qin, Z. Du, L. Sheng and S. X. Zhang, J. Mater. Chem. C, 2020, Advance Article , DOI: 10.1039/C9TC06522A

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