A Stable EU (III) Coordination Polymer for Sensitive and Selective Sensing of Fe3+/Cr2o72- ions in Aqueous Medium

6 Pages Posted: 14 Aug 2020

See all articles by Ruihong Guo

Ruihong Guo

North University of China

Lingling Gao

Jinzhong University

Wendi Zhou

North University of China

Yujuan Zhang

North University of China

Tuoping Hu

North University of China

Abstract

A lanthanide coordination polymer [Eu(BCPB)(H2O)2]n (1) was synthesized based on a semirigid tripodal polycarboxylic acid ligand (H3BCPB = 3,5-bis(2-carboxy-phenoxy)-benzoic acid). Single crystal X-ray diffraction analyses showed that compound 1 exhibits 2D layer structures with [Eu6(COO)22(H2O)12] SBU. Furthermore, fluorescence tests demonstrated that 1 has highly sensitive detection for Fe3+/Cr2O7 2− ions in aqueous solution by a fluorescence quenching effect. Meanwhile, the quenching mechanisms of 1 for Fe3+ and Cr2O7 2− were also investigated in detail.

Keywords: Semirigid polycarboxylic acid ligandLanthanide coordination polymerFe3+ cationCr2O72− anionSensing

Suggested Citation

Guo, Ruihong and Gao, Lingling and Zhou, Wendi and Zhang, Yujuan and Hu, Tuoping, A Stable EU (III) Coordination Polymer for Sensitive and Selective Sensing of Fe3+/Cr2o72- ions in Aqueous Medium. Available at SSRN: https://ssrn.com/abstract=3671584

Ruihong Guo

North University of China ( email )

No. 3 Xueyuan Road, Taiyuan, China
taiyuan, shanxi 030051
China

Lingling Gao

Jinzhong University ( email )

Jinzhong,, Shanxi
China

Wendi Zhou

North University of China ( email )

No. 3 Xueyuan Road, Taiyuan, China
taiyuan, shanxi 030051
China

Yujuan Zhang (Contact Author)

North University of China ( email )

No. 3 Xueyuan Road, Taiyuan, China
taiyuan, shanxi 030051
China

Tuoping Hu

North University of China ( email )

No. 3 Xueyuan Road, Taiyuan, China
taiyuan, shanxi 030051
China

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