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Communication

Fe(II) Spin Crossover/Polymer Hybrid Materials: Investigation of the SCO Behavior via Temperature-Dependent Raman Spectroscopy, Physicochemical Characterization and Migration Release Study

by
Zoi G. Lada
1,*,
Amaia Soto Beobide
1,
Georgios N. Mathioudakis
1,2 and
George A. Voyiatzis
1,*
1
Foundation for Research and Technology-Hellas, Institute of Chemical Engineering Sciences, (FORTH/ICE-HT), Stadiou Str. Platani, GR-265 04 Patras, Greece
2
Department of Materials Science, University of Patras, GR-265 00 Rio-Patras, Greece
*
Authors to whom correspondence should be addressed.
Molecules 2021, 26(1), 201; https://doi.org/10.3390/molecules26010201
Submission received: 13 November 2020 / Revised: 28 December 2020 / Accepted: 29 December 2020 / Published: 3 January 2021
(This article belongs to the Special Issue Hybrid Materials for Advanced Applications)
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Abstract

Polymeric composites constitute an appealing class of materials with applications in various fields. Spin crossover (SCO) coordination complexes are switchable materials with potential use in data storage and sensors. Their incorporation into polymers can be considered an effective method for their wider practical application. In this study, Fe(II) SCO/polylactic acid hybrid polymeric composites have been prepared by film casting. The mononuclear coordination complex [Fe{N(CN)2}2(abpt)2] was incorporated into polylactic acid. The morphological, structural and thermoanalytical characterization of the composite films were performed via scanning electron microscopy (SEM), attenuated total reflectance (ATR/FTIR), Raman spectroscopy and differential scanning calorimetry (DSC). In addition, the migration release study (MRS) of the SCO compound from the polymeric matrix into the food simulant 50% v/v water/ethanol solution was also examined via UV/Vis absorption. Of particular interest was the investigation of the SCO behavior of the coordination complex after its incorporation into the polymer matrix; it was accomplished by temperature-dependent micro-Raman spectroscopy. The described attempt could be considered a preparatory step toward the development of SCO-based temperature sensors integrated into food packaging materials.
Keywords: spin crossover (SCO) phenomenon; hybrid materials; polymeric composites; variable-temperature micro-Raman spectroscopy; migration release study spin crossover (SCO) phenomenon; hybrid materials; polymeric composites; variable-temperature micro-Raman spectroscopy; migration release study
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MDPI and ACS Style

Lada, Z.G.; Soto Beobide, A.; Mathioudakis, G.N.; Voyiatzis, G.A. Fe(II) Spin Crossover/Polymer Hybrid Materials: Investigation of the SCO Behavior via Temperature-Dependent Raman Spectroscopy, Physicochemical Characterization and Migration Release Study. Molecules 2021, 26, 201. https://doi.org/10.3390/molecules26010201

AMA Style

Lada ZG, Soto Beobide A, Mathioudakis GN, Voyiatzis GA. Fe(II) Spin Crossover/Polymer Hybrid Materials: Investigation of the SCO Behavior via Temperature-Dependent Raman Spectroscopy, Physicochemical Characterization and Migration Release Study. Molecules. 2021; 26(1):201. https://doi.org/10.3390/molecules26010201

Chicago/Turabian Style

Lada, Zoi G., Amaia Soto Beobide, Georgios N. Mathioudakis, and George A. Voyiatzis. 2021. "Fe(II) Spin Crossover/Polymer Hybrid Materials: Investigation of the SCO Behavior via Temperature-Dependent Raman Spectroscopy, Physicochemical Characterization and Migration Release Study" Molecules 26, no. 1: 201. https://doi.org/10.3390/molecules26010201

APA Style

Lada, Z. G., Soto Beobide, A., Mathioudakis, G. N., & Voyiatzis, G. A. (2021). Fe(II) Spin Crossover/Polymer Hybrid Materials: Investigation of the SCO Behavior via Temperature-Dependent Raman Spectroscopy, Physicochemical Characterization and Migration Release Study. Molecules, 26(1), 201. https://doi.org/10.3390/molecules26010201

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