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Issue 10, 2012
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Simple, efficient and selective colorimetric sensors for naked eye detection of Hg2+, Cu2+ and Fe3+

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Abstract

Compounds 3 and 4 are all push–pull molecules containing both a donor 1,3-dithiole ring and an acceptor carbonyl group or thiocarboyl group, and their structures confer them with special spectroscopic properties. Their recognition behaviors towards metal ions were explored by UV-vis spectral analysis, and the results showed that combination of 3 and 4 could efficiently detect Hg2+, Cu2+ and Fe3+. The instant color changes induced by the addition of corresponding metal ions make them excellent naked eye sensors for the detection of heavy metal ions.

Graphical abstract: Simple, efficient and selective colorimetric sensors for naked eye detection of Hg2+, Cu2+ and Fe3+

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Supplementary files

Article information


Submitted
02 Mar 2012
Accepted
02 Mar 2012
First published
03 Apr 2012

RSC Adv., 2012,2, 4415-4420
Article type
Paper

Simple, efficient and selective colorimetric sensors for naked eye detection of Hg2+, Cu2+ and Fe3+

R. Liu, H. Lu, M. Li, S. Hu and C. Chen, RSC Adv., 2012, 2, 4415
DOI: 10.1039/C2RA20385E

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