Soluble molecular switches in electrospun nanofibers

verfasst von: Jules Brehme, Maximilian Seydi Kilic, Justus Pawlak, Franz Renz, Ralf Franz Sindelar
Abstract: Compounds that exhibit the spin crossover effect are known to show a change of spin states through external stimuli. This reversible switching of spin states is accompanied by a change of the properties of the compound. Complexes, like iron (II)-triazole complexes, that exhibit this behavior at ambient temperature are often discussed for potential applications. In previous studies we synthesized iron (II)-triazole complexes and implemented them into electrospun nanofibers. We used Mössbauer spectroscopy in first studies to prove a successful implementation with maintaining spin crossover properties. Further studies from us showed that it is possible to use different electrospinning methods to either do a implementation or a deposition of the synthesized solid SCO material into or onto the polymer nanofibers. We now used a solvent in which both, the used iron (II)-triazole complex [Fe(atrz)₃](2 ns)₂ and three different polymers (Polyacrylonitrile, Polymethylmethacrylate and Polyvinylpyrrolidone), are soluble. This shall lead to a higher homogeneous distribution of the complex along the nanofibers. Mössbauer spectroscopy and other measurements are therefore in use to show a successful implementation without any significant changes to the complex.
Organisationseinheit(en): Institut für Anorganische Chemie
Laboratorium für Nano- und Quantenengineering
Externe Organisation(en): Hochschule Hannover (HsH)
Typ: Artikel
Journal: Hyperfine Interactions
Band: 245
Anzahl der Seiten: 13
ISSN: 0304-3843
Publikationsdatum: 19.01.2024
Publikationsstatus: Veröffentlicht
Peer-reviewed: Ja
ASJC Scopus Sachgebiete: Atom- und Molekularphysik sowie Optik, Kern- und Hochenergiephysik, Physik der kondensierten Materie, Physikalische und Theoretische Chemie
Elektronische Version(en): https://doi.org/10.1007/s10751-024-01842-z (Zugang: Offen)

BibTeX

@article{8b8d4d517b174cc9a0e74f3c8292c0d9,
title = "Soluble molecular switches in electrospun nanofibers",
abstract = "Compounds that exhibit the spin crossover effect are known to show a change of spin states through external stimuli. This reversible switching of spin states is accompanied by a change of the properties of the compound. Complexes, like iron (II)-triazole complexes, that exhibit this behavior at ambient temperature are often discussed for potential applications. In previous studies we synthesized iron (II)-triazole complexes and implemented them into electrospun nanofibers. We used M{\"o}ssbauer spectroscopy in first studies to prove a successful implementation with maintaining spin crossover properties. Further studies from us showed that it is possible to use different electrospinning methods to either do a implementation or a deposition of the synthesized solid SCO material into or onto the polymer nanofibers. We now used a solvent in which both, the used iron (II)-triazole complex [Fe(atrz)3](2 ns)2 and three different polymers (Polyacrylonitrile, Polymethylmethacrylate and Polyvinylpyrrolidone), are soluble. This shall lead to a higher homogeneous distribution of the complex along the nanofibers. M{\"o}ssbauer spectroscopy and other measurements are therefore in use to show a successful implementation without any significant changes to the complex.",
keywords = "Electrospinning, Molecular switches, M{\"o}ssbauer, SCO, Triazole",
author = "Jules Brehme and Kilic, {Maximilian Seydi} and Justus Pawlak and Franz Renz and Sindelar, {Ralf Franz}",
note = "Funding Information: We thank the Nihei Laboratory of the Graduate School of Pure and Applied Sciences of the University of Tsukuba for the elemental analysis measurements. We furthermore thank the Deutsche Forschungsgemeinschaft (DFG), the Hannover School for Nanotechnology (HSN) for the financial support. ",
year = "2024",
month = jan,
day = "19",
doi = "10.1007/s10751-024-01842-z",
language = "English",
volume = "245",
journal = "Hyperfine Interactions",
issn = "0304-3843",
publisher = "Springer Netherlands",
}