Issue 43, 2015

An aggregation-induced emission (AIE) active probe for multiple targets: a fluorescent sensor for Zn2+ and Al3+ & a colorimetric sensor for Cu2+ and F

Abstract

A rationally designed probe L, which consists of both cation and anion binding sites, is capable of displaying interesting aggregation induced emission (AIE) properties. L not only can sense Al3+ and Zn2+ through selective turn-on fluorescence responses in 9 : 1 methanol–HEPES buffer (5 mM, pH 7.3; 9 : 1, v/v) medium due to metal ion triggered AIE activity, but also can distinguish them through individual emission signals. L can also detect Cu2+ in mixed buffer medium and F in acetonitrile through sharp colorimetric responses. All the sensing processes are conspicuous through the naked eye. A theoretical study strongly backed the proposed sensing mechanisms.

Graphical abstract: An aggregation-induced emission (AIE) active probe for multiple targets: a fluorescent sensor for Zn2+ and Al3+ & a colorimetric sensor for Cu2+ and F−

Supplementary files

Article information

Article type
Paper
Submitted
18 Aug 2015
Accepted
29 Sep 2015
First published
29 Sep 2015

Dalton Trans., 2015,44, 18902-18910

Author version available

An aggregation-induced emission (AIE) active probe for multiple targets: a fluorescent sensor for Zn2+ and Al3+ & a colorimetric sensor for Cu2+ and F

S. Samanta, U. Manna, T. Ray and G. Das, Dalton Trans., 2015, 44, 18902 DOI: 10.1039/C5DT03186A

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