A multifunctional Eu-CP as a recyclable luminescent probe for the highly sensitive detection of Fe3+/Fe2+, Cr2O72-, and nitroaromatic explosives

Yang Yang; Fangzhou Qiu; Cong Xu; Yan Feng; Guolin Zhang; Weisheng Liu

doi:10.1039/c8dt01518j

A multifunctional Eu-CP as a recyclable luminescent probe for the highly sensitive detection of Fe³⁺/Fe²⁺, Cr₂O₇^2-, and nitroaromatic explosives

Dalton Trans. 2018 Jun 5;47(22):7480-7486. doi: 10.1039/c8dt01518j.

Authors

Yang Yang¹, Fangzhou Qiu, Cong Xu, Yan Feng, Guolin Zhang, Weisheng Liu

Affiliation

¹ Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province and State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China. liuws@lzu.edu.cn.

PMID: 29786100
DOI: 10.1039/c8dt01518j

Abstract

A novel 2D lanthanide coordination polymer {Eu-CP (1)} based on a 3-bis(3-carboxyphenyl)imidazolium (L) ligand was successfully assembled through a solvothermal method. Luminescence tests indicate that 1 has excellent selectivity and sensitivity to detect Fe3+/Fe2+, Cr2O72-, and a series of nitroaromatic explosives. Interestingly, 1 can effectively distinguish CrVI anions (CrO42-/Cr2O72-), which is difficult for most of the reported CPs. Furthermore, in the detection process, 1 can be simply and quickly regenerated and reused at least five times. As far as we know, 1 is the first multifunctional Eu-CP used as a luminescent probe to detect Fe3+/Fe2+, Cr2O72-, and a series of nitroaromatic explosives (NAEs) based on the imidazolium derivative.