A fluorescent chemosensor for Sn2+ and Cu2+ based on a carbazole-containing diarylethene. Issue 16 (2nd February 2017)

• Record Type: Journal Article
• Authors: Qu, Shengzu; Zheng, Chunhong; Liao, Guanming; Fan, Congbin; Liu, Gang; Pu, Shouzhi
• Is Part Of: RSC advances. Volume 7:Issue 16(2017)
• Page Start: 9833
• Page End: 9839
• Publication Date: 2017-02-02
• Subjects: Chemistry -- Periodicals; 540.5
• DOI: 10.1039/c6ra27339d
• Languages: English
• ISSNs: 2046-2069

Abstract

Abstract : A carbazole-containing diarylethene was synthesized. Its fluorescence was enhanced and quenched, respectively, upon addition of Sn 2+ and Cu 2+ over other cations. Moreover, the compound can be applied to detect Sn 2+ and Cu 2+ in natural water sample. Abstract : A novel diarylethene with a carbazole moiety was developed for the highly selective and sensitive detection of Sn 2+ and Cu 2+ in methanol. Its fluorescence was enhanced with a 76 nm blue shift and selective fluorescence quenching occurred upon the addition of Sn 2+ and Cu 2+, respectively, over a wide range of tested cations. The compound formed complexes with Sn 2+ and Cu 2+ in a 1 : 1 stoichiometry and has the detection limits of 1.9 μM and 1.2 μM, respectively. Moreover, the compound can be applied to detect Sn 2+ and Cu 2+ in natural water samples with high accuracy.