Issue 18, 2023

Tuning the 1D–2D dimensionality upon ligand exchange in silver thiolate coordination polymers with photoemission switching

Abstract

Silver nanoparticles are known and widely used for their antimicrobial activities. Nevertheless, once they are released into the natural or biological environments, they can become toxic with time, because of the dissolution of some Ag(I) ions that can then react with thiol-based molecules, such as glutathione and/or compete with copper proteins. These assumptions are based on the high affinity of the soft acid Ag(I) and the soft base thiolates and the exchange reactions that are involved in complex physiological media. Here we synthesized and fully characterized two new 2D silver thiolate coordination polymers (CPs) that exhibit a reversible 2D-to-1D structural transformation in the presence of an excess of thiol molecules. This dimensionality change induces also a switch of the yellow emission of the Ag-thiolate CP. This study highlights that these highly stable silver-thiolate CPs, in basic, acidic and oxidant media can undergo a complete dissolution–recrystallization mechanism upon thiol exchange reactions.

Graphical abstract: Tuning the 1D–2D dimensionality upon ligand exchange in silver thiolate coordination polymers with photoemission switching

Supplementary files

Article information

Article type
Paper
Submitted
14 Mar 2023
Accepted
05 Apr 2023
First published
05 Apr 2023
This article is Open Access
Creative Commons BY-NC license

J. Mater. Chem. B, 2023,11, 3979-3984

Tuning the 1D–2D dimensionality upon ligand exchange in silver thiolate coordination polymers with photoemission switching

S. Hawila, F. Massuyeau, R. Gautier, A. Fateeva, S. Lebègue, W. J. Kim, G. Ledoux, A. Mesbah and A. Demessence, J. Mater. Chem. B, 2023, 11, 3979 DOI: 10.1039/D3TB00537B

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