Issue 46, 2022

Post-synthetic modification mechanism for 1D spin crossover coordination polymers

Abstract

In this work we present a comprehensive study of the influence of the solvent on the post-synthetic modification (PSM) on the [Fe(NH2trz)3](NO3)2 spin crossover (SCO) complex with p-anisaldehyde. We demonstrate that the use of a suitable solvent such as ethanol results in a complete PSM, where the final crystalline material exhibits a gradual conversion just below room temperature. In the other hand, when an unsuitable solvent such as toluene or 1-octanol is used, either no reaction or very long reaction time is needed, leading to undesired Fe(III) species. Transmission electronic microscopy analyses show that the complete PSM reaction carried out on nanoparticles of the same complex, changes drastically the size and morphology of the particles.

Graphical abstract: Post-synthetic modification mechanism for 1D spin crossover coordination polymers

Supplementary files

Article information

Article type
Paper
Submitted
12 Aug 2022
Accepted
07 Sep 2022
First published
21 Sep 2022

New J. Chem., 2022,46, 22004-22012

Post-synthetic modification mechanism for 1D spin crossover coordination polymers

A. Enríquez-Cabrera, L. Getzner, L. Salmon, L. Routaboul and A. Bousseksou, New J. Chem., 2022, 46, 22004 DOI: 10.1039/D2NJ04015H

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