Journal
DYES AND PIGMENTS
Volume 122, Issue -, Pages 109-115Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2015.06.016
Keywords
Copper sensing; Cu(II) sensor; Colorimetric sensor; Thiazolothiazole; Sol-gel transition; Organo radical
Funding
- National Creative Research Initiative programs of the National Research Foundation of Korea (NRF) - Korean government (MSIP) [2012R1A3A2048814]
- National Research Foundation of Korea (NRF) - Korean government (MSIP) [2014R1A2A2A01005479]
- Education Department of Hebei Province of P. R. China [BJ2014039]
- National Research Foundation of Korea [2014R1A2A2A01005479] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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In the current work, a new thiazolothiazole derivative Chol-TZTZ (1) was synthesized, in which a thiazolothiazole bearing aryl amine groups was linked with four cholesteryl units. Thiazolothiazole derivative 1 displayed a unique colorimetric change from green to blue upon the addition of Cu2+ via the formation of organic radicals. UV absorption maximum was changed from 395 nm to 700 nm when Cu2+ was added. Among the various solvents, cyclohexanone could induce gelation of compound I. pi-pi interaction between the thiazolothiazole core and van der Waals forces between the cholesteryl group should be Involved in the molecules self-assembly of the gelator chol-TZTZ into fibrous superstructures. (C) 2015 Elsevier Ltd. All rights reserved.
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