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

Abstract

Most hydrochromic materials only exhibit either absorption or fluorescence change, which greatly restricts their applications. Herein, we reported a new hydrochromic dye capable of 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 device.

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Supplementary files

Article information


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

J. Mater. Chem. C, 2020, Accepted Manuscript
Article type
Paper

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, Accepted Manuscript , DOI: 10.1039/C9TC06522A

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