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Issue 30, 2015
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Multi-modal sensing in spin crossover compounds

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Abstract

We exploited the solvatochromic spin-state switching in a spin crossover (SCO) compound based on the FeII complex and the simultaneous change of spectroscopic properties for selective multimodal sensing of methanol and ethanol. We demonstrate that sensing capabilities are due to the inclusion of methanol or ethanol molecules into the crystalline structure, which tailors simultaneously the transition temperature, colour, birefringence and vibrational modes. We exploited this capability by integrating a neutral compound, switchable at room temperature, into a micrometric TAG sensitive to the colour and birefringence. The system was characterised by optical microscopy, magnetic susceptibility, Raman spectroscopy and X-ray diffraction.

Graphical abstract: Multi-modal sensing in spin crossover compounds

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Publication details

The article was received on 26 mar. 2015, accepted on 22 apr. 2015 and first published on 23 apr. 2015


Article type: Paper
DOI: 10.1039/C5TC00845J
Citation: J. Mater. Chem. C, 2015,3, 7836-7844
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    Multi-modal sensing in spin crossover compounds

    D. Gentili, N. Demitri, B. Schäfer, F. Liscio, I. Bergenti, G. Ruani, M. Ruben and M. Cavallini, J. Mater. Chem. C, 2015, 3, 7836
    DOI: 10.1039/C5TC00845J

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