A multi-responsive cyanine-based colorimetric chemosensor containing dipicolylamine moieties for the detection of Zn(II) and Cu(II) ions
- 주제(키워드) Colorimetric chemosensor , Copper sensor , Cyanine , pH sensor , Sulfide sensor
- 등재 SCIE, SCOPUS
- 발행기관 Elsevier
- 발행년도 2016
- 총서유형 Journal
- URI http://www.dcollection.net/handler/ewha/000000125446
- 본문언어 영어
- Published As http://dx.doi.org/10.1016/j.snb.2016.02.040
- 저작권 이화여자대학교 논문은 저작권에 의해 보호받습니다.
초록/요약
A cyanine-based chemosensor containing dipicolylamine moieties is reported and its structure is well-defined. Investigation on the optical property shows it is pH-independent. Acidic medium can induce the color change from azure to dark blue while it presents the green in the alkaline condition (pH 10) in comparison to the neutral condition. More, owing to the introduction of dipicolylamine units, this chemosensor can be used as a colorimetric indicator for Zn(II) and Cu(II) ions along with color change from green to bright blue. Especially, its copper complex has a capability of determining the sulfide anion (S2-) with high selectivity, and as a consequence, the color of solution turns back to the green. This work provides a promising indicator for the analysis of multi species. © 2016 Published by Elsevier B.V.
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