Issue 12, 2016

Bromide anion-triggered visible responsive metallogels based on squaramide complexes

Abstract

Driven by the cooperation of metal coordination and multiple hydrogen bonds, a squaramide-based bisimidazole ligand forms structurally novel metallogels involving one-dimensional (1D) nanofibrils with linearly and infinitely extended Cl–Cu or Br–Cu bonds wrapped up with organic ligands. The resulting soft material enables us to discriminate bromides from other salts and, of special significance, from other halides both in aqueous solutions and in powder forms by the naked-eye. Raman spectroscopy clearly unravels the discrimination mechanism associated with a key step of anion ligand exchange, which has witnessed the exceptional ability of Raman spectroscopy in the investigation of metallogels.

Graphical abstract: Bromide anion-triggered visible responsive metallogels based on squaramide complexes

Supplementary files

Article information

Article type
Research Article
Submitted
20 Sep 2016
Accepted
12 Oct 2016
First published
13 Oct 2016

Inorg. Chem. Front., 2016,3, 1597-1603

Bromide anion-triggered visible responsive metallogels based on squaramide complexes

D. Wu, R. Jiang, L. Luo, Z. He and J. You, Inorg. Chem. Front., 2016, 3, 1597 DOI: 10.1039/C6QI00386A

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