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A cholesteryl thiazolothiazole derivative for colorimetric sensing of Cu2+ and its sol-gel transition

Title
A cholesteryl thiazolothiazole derivative for colorimetric sensing of Cu2+ and its sol-gel transition
Authors
Zhang, XinChoi, Hyun-ALee, SongyiYin, JunKim, Sun HeeLee, ChongmokYoon, Juyoung
Ewha Authors
이종목윤주영
SCOPUS Author ID
이종목scopus; 윤주영scopus
Issue Date
2015
Journal Title
DYES AND PIGMENTS
ISSN
0143-7208JCR Link1873-3743JCR Link
Citation
vol. 122, pp. 109 - 115
Keywords
Copper sensingCu(II) sensorColorimetric sensorThiazolothiazoleSol-gel transitionOrgano radical
Publisher
ELSEVIER SCI LTD
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
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.
DOI
10.1016/j.dyepig.2015.06.016
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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