Multi-modal sensing in spin crossover compounds

Denis Gentili

doi:10.1039/c5tc00845j

2015-01-01

Massimiliano Cavallini *

DOI：10.1039/c5tc00845j

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摘要

En 中文

We exploited the solvatochromic spin-state switching in a spin crossover (SCO) compound based on the Fe-II 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.

Keyword:

DIELECTRIC-CONSTANT

MAGNETIC-PROPERTIES

THERMAL HYSTERESIS

CRYSTAL-STRUCTURE

MEMORY DEVICES

TEMPERATURE

COMPLEXES

TRANSITION

PRESSURE

POLYMERS

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期刊

Journal of Materials Chemistry C

IF:

5.1

论文数:

2.0W

被引数:

8.0W

机构

Elettra Sincrotrone Trieste

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1.6K

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被引数: 10

istituto per lo studio dei materiali nanostrutturati (ismn-cnr)

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966

论文数: 702

被引数: 0

Helmholtz Association

学者数:

13.2W

论文数: 10.7W

被引数: 145

consiglio nazionale delle ricerche (cnr)

学者数:

6.2W

论文数: 5.7W

被引数: 48

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