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Issue 9, 2018
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A flexible polymer–nanoparticle hybrid material containing triazole-based Fe(ii) with spin crossover properties for magneto-optical applications

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Abstract

In the perspective of elaborating functional devices based on inorganic molecular materials, it is important not only to continue research on their synthesis and to understand their properties but also to develop new strategies for their processing and shaping. In this context, we show here that centimeter-scale materials exhibiting solid state-like spin-crossover (SCO) properties and easy handling under ambient conditions can be obtained that preserve their thermochromic properties over months. Combining a triazole-based Fe(II) SCO compound with functionalized silica nanoparticles gives rise to nanocomposite soft gels. These gels were used as templates for the formation of a flexible macroporous hybrid silica network via a vapor phase sol–gel process. Further coating with PDMS provided both long-term protection of the material against drying and operationality in aqueous media. Our approach offers new hopes for the development of optical and magnetic devices based on SCO coordination polymers.

Graphical abstract: A flexible polymer–nanoparticle hybrid material containing triazole-based Fe(ii) with spin crossover properties for magneto-optical applications

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Article information


Submitted
28 May 2018
Accepted
30 Jun 2018
First published
02 Jul 2018

Inorg. Chem. Front., 2018,5, 2140-2147
Article type
Research Article

A flexible polymer–nanoparticle hybrid material containing triazole-based Fe(II) with spin crossover properties for magneto-optical applications

H. Voisin, C. Aimé, A. Vallée, T. Coradin and C. Roux, Inorg. Chem. Front., 2018, 5, 2140
DOI: 10.1039/C8QI00494C

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