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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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Publication details

The article was received on 13 Sep 2017, accepted on 16 Oct 2017 and first published on 17 Oct 2017


Article type: Paper
DOI: 10.1039/C7TC04194B
Citation: J. Mater. Chem. C, 2017,5, 11542-11550
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    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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