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Issue 44, 2017
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Preserving the spin transition properties of iron-triazole coordination polymers within silica-based nanocomposites

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Abstract

One dimensional iron(II) coordination polymers formed from 1,2,4-triazole bridging ligands are a unique class of spin-crossover materials (SCO). The integration of those coordination polymers into devices for practical applications remains a major challenge. Using a nanocomposite approach based on the control of coordination polymer interactions with chemically engineered silica particles, we show that we can achieve in situ gelation, while preserving the SCO properties of the solid state. Tuning the interface between the two phases of a composite provides a unique way to synergistically adjust the material's structure and the cooperativity associated with its transition properties. The strategy described here should allow for bridging the gap between soft and crystalline functional inorganic materials.

Graphical abstract: Preserving the spin transition properties of iron-triazole coordination polymers within silica-based nanocomposites

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Article information


Submitted
13 Sep 2017
Accepted
16 Oct 2017
First published
17 Oct 2017

J. Mater. Chem. C, 2017,5, 11542-11550
Article type
Paper

Preserving the spin transition properties of iron-triazole coordination polymers within silica-based nanocomposites

H. Voisin, C. Aimé, A. Vallée, A. Bleuzen, M. Schmutz, G. Mosser, T. Coradin and C. Roux, J. Mater. Chem. C, 2017, 5, 11542
DOI: 10.1039/C7TC04194B

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