Incorporation and Deposition of Spin Crossover Materials Into and Onto Electrospun Nanofibers

Maximilian Seydi Kilic; Jules Brehme; Justus Pawlak; Kevin Tran; Friedrich Wilhelm Bauer; Takuya Shiga; Taisei Suzuki; Masayuki Nihei; Ralf Sindelar; Franz Renz

doi:10.20944/preprints202212.0396.v1

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preprints.org > chemistry and materials science > polymers and plastics > doi: 10.20944/preprints202212.0396.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Incorporation and Deposition of Spin Crossover Materials Into and Onto Electrospun Nanofibers

Maximilian Seydi Kilic

^* ,

Jules Brehme

^* ,

Justus Pawlak

Kevin Tran

Friedrich Wilhelm Bauer

Version 1 : Received: 20 December 2022 / Approved: 21 December 2022 / Online: 21 December 2022 (09:19:47 CET)

How to cite: Kilic, M.S.; Brehme, J.; Pawlak, J.; Tran, K.; Bauer, F.W.; Shiga, T.; Suzuki, T.; Nihei, M.; Sindelar, R.; Renz, F. Incorporation and Deposition of Spin Crossover Materials Into and Onto Electrospun Nanofibers. Preprints 2022, 2022120396. https://doi.org/10.20944/preprints202212.0396.v1 Kilic, M.S.; Brehme, J.; Pawlak, J.; Tran, K.; Bauer, F.W.; Shiga, T.; Suzuki, T.; Nihei, M.; Sindelar, R.; Renz, F. Incorporation and Deposition of Spin Crossover Materials Into and Onto Electrospun Nanofibers. Preprints 2022, 2022120396. https://doi.org/10.20944/preprints202212.0396.v1

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MDPI and ACS Style

Kilic, M.S.; Brehme, J.; Pawlak, J.; Tran, K.; Bauer, F.W.; Shiga, T.; Suzuki, T.; Nihei, M.; Sindelar, R.; Renz, F. Incorporation and Deposition of Spin Crossover Materials Into and Onto Electrospun Nanofibers. Preprints 2022, 2022120396. https://doi.org/10.20944/preprints202212.0396.v1

APA Style

Kilic, M.S., Brehme, J., Pawlak, J., Tran, K., Bauer, F.W., Shiga, T., Suzuki, T., Nihei, M., Sindelar, R., & Renz, F. (2022). Incorporation and Deposition of Spin Crossover Materials Into and Onto Electrospun Nanofibers. Preprints. https://doi.org/10.20944/preprints202212.0396.v1

Chicago/Turabian Style

Kilic, M.S., Ralf Sindelar and Franz Renz. 2022 "Incorporation and Deposition of Spin Crossover Materials Into and Onto Electrospun Nanofibers" Preprints. https://doi.org/10.20944/preprints202212.0396.v1

Abstract

We synthesized iron(II)-triazole spin crossover compounds of the type [Fe(atrz)3]X2 and incorporated and deposited them on electrospun polymer nanofibers. In view of possible applications, we chose iron(II)-triazole-complexes that are known to exhibit spin crossover close to ambient temperature. Therefore we used the complexes [Fe(atrz)3]Cl2 and [Fe(atrz)3](2ns)2 (2ns = 2Naphthalenesulfonate) and analyzed them with IR-, UV/Vis and Mossbauer spectroscopy and with a SQUID magnetometer. The synthesized complexes were then in one attempt deposited on fibers of polymethylmethacrylate (PMMA) and in another attempt incorporated into core-shell like PMMA fiber structures. This was done via two different electrospinning methods. Deposition was performed by uniaxial electrospinning and incorporation was performed by coaxial electrospinning. The obtained polymer-complex-composites were then further investitgated by the same methods as the pure complexes as well as by SEM pictures and EDX measurements. The analysis by UV/Vis spectroscopy, Mössbauer spectroscopy and temperature-depended magnetic measurements with the SQUID magnetometer showed that the spin crossover properties were maintained and were not changed after the electrospinning processes and that the complexes were not harmed during the procedure.

Keywords

Spin Crossover; (Coaxial)-electrospinning; Triazole Complexes; nano fibers; PMMA; Coordination Chemistry; Composites

Subject

Chemistry and Materials Science, Polymers and Plastics

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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