Spectroscopy Study of Isothermal Spin State Switching in a Fe (II) Spin Crossover Molecular Thin Film

Saeed Yazdani; Kourtney Collier; Grace Yang; Jared Phillips; Ashley Dale; Samuel Grocki; Jian Zhang; Ruihua Cheng; Peter A. Dowben

doi:10.20944/preprints202208.0454.v1

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preprints.org > chemistry and materials science > surfaces, coatings and films > doi: 10.20944/preprints202208.0454.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Spectroscopy Study of Isothermal Spin State Switching in a Fe (II) Spin Crossover Molecular Thin Film

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Version 1 : Received: 25 August 2022 / Approved: 26 August 2022 / Online: 26 August 2022 (09:28:31 CEST)

How to cite: Yazdani, S.; Collier, K.; Yang, G.; Phillips, J.; Dale, A.; Grocki, S.; Zhang, J.; Cheng, R.; Dowben, P.A. Spectroscopy Study of Isothermal Spin State Switching in a Fe (II) Spin Crossover Molecular Thin Film. Preprints 2022, 2022080454. https://doi.org/10.20944/preprints202208.0454.v1 Yazdani, S.; Collier, K.; Yang, G.; Phillips, J.; Dale, A.; Grocki, S.; Zhang, J.; Cheng, R.; Dowben, P.A. Spectroscopy Study of Isothermal Spin State Switching in a Fe (II) Spin Crossover Molecular Thin Film. Preprints 2022, 2022080454. https://doi.org/10.20944/preprints202208.0454.v1

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MDPI and ACS Style

Yazdani, S.; Collier, K.; Yang, G.; Phillips, J.; Dale, A.; Grocki, S.; Zhang, J.; Cheng, R.; Dowben, P.A. Spectroscopy Study of Isothermal Spin State Switching in a Fe (II) Spin Crossover Molecular Thin Film. Preprints 2022, 2022080454. https://doi.org/10.20944/preprints202208.0454.v1

APA Style

Yazdani, S., Collier, K., Yang, G., Phillips, J., Dale, A., Grocki, S., Zhang, J., Cheng, R., & Dowben, P.A. (2022). Spectroscopy Study of Isothermal Spin State Switching in a Fe (II) Spin Crossover Molecular Thin Film. Preprints. https://doi.org/10.20944/preprints202208.0454.v1

Chicago/Turabian Style

Yazdani, S., Ruihua Cheng and Peter A. Dowben. 2022 "Spectroscopy Study of Isothermal Spin State Switching in a Fe (II) Spin Crossover Molecular Thin Film" Preprints. https://doi.org/10.20944/preprints202208.0454.v1

Abstract

Using optical characterization, it is evident that the spin state of the spin crossover molecular complex [Fe{H2B(pz)2}2(bipy)] (pz = tris (pyrazol-1-1y)-borohydride, bipy = 2,2’-bipyridine) depends on the ferroelectric polarization of an adjacent thin film of the polymer ferroelectric polyvinylidene fluoride-hexafluoropropylene (PVDF-HFP). The UV-Vis spectroscopy reveals that room temperature switching of [Fe{H2B(pz)2}2(bipy)] molecules in bilayers of PVDF-HFP/[Fe{H2B(pz)2}2(bipy)] as a function of ferroelectric polar polarization. The electric polarity dependence of bilayers of PVDF-HFP/[Fe{H2B(pz)2}2(bipy)] shows a strong dependence on the thickness of the PVDF-HFP layer. The PVDF-HFP/[Fe{H2B(pz)2}2(bipy)] interface may affect polarization retention in the PVDF-HFP thin film limit.

Keywords

spin crossover; Fe (II) complex; isothermal switching; spintronics; thin films; UV Vis spectroscopy

Subject

Chemistry and Materials Science, Surfaces, Coatings and Films

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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