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Multistate Switching of Spin Selectivity in Electron Transport Through Light-Driven Molecular Motors

45 Pages Posted: 24 Mar 2021 Publication Status: Review Complete

See all articles by Qirong Zhu

Qirong Zhu

Weizmann Institute of Science - Department of Chemical and Biological Physics

Wojciech Danowski

University of Groningen - Centre for Systems Chemistry

Amit Kumar Mondal

Weizmann Institute of Science - Department of Chemical and Biological Physics

Francesco Tassinari

Weizmann Institute of Science - Department of Chemical and Biological Physics

C. L. F. van Beek

University of Groningen - Centre for Systems Chemistry

G. Henrieke Heideman

University of Groningen - Centre for Systems Chemistry

Kakali Santra

University of Groningen - Centre for Systems Chemistry

Sidney R. Cohen

Weizmann Institute of Science - Chemical Research Support

Ben L. Feringa

University of Groningen - Centre for Systems Chemistry

Ron Naaman

Weizmann Institute of Science - Department of Chemical and Biological Physics

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Abstract

It was established that electron transmission through chiral molecules depends on the electron’s spin. This phenomenon, termed the chiral-induced spin selectivity (CISS) effect has been observed in chiral molecules, supramolecular structures, polymers and metal-organic films. Which spin is preferred in the transmission depends on the handedness of the system and the tunneling direction of the electrons. Molecular motors based on overcrowded alkenes show multiple inversions of helical chirality under light irradiation and thermal relaxation. We show here multistate switching of spin selectivity in electron transfer through first generation molecular motors based on the four accessible distinct helical configurations, measured by magnetic-conductive atomic force microscopy. The efficient spin polarization observed in the photostationary state of the right-handed motor coupled with the modulation of spin selectivity through the controlled sequence of helical states opens opportunities to tune spin selectivity on-demand with high spatio-temporal precision. An energetic analysis correlates the spin injection barrier with the extent of spin polarization.

Keywords: Molecular motor, Spin polarization, CISS effect, Magnetic-conductive atomic force microscope, helix inversion

Suggested Citation

Zhu, Qirong and Danowski, Wojciech and Mondal, Amit Kumar and Tassinari, Francesco and van Beek, C. L. F. and Heideman, G. Henrieke and Santra, Kakali and Cohen, Sidney R. and Feringa, Ben L. and Naaman, Ron, Multistate Switching of Spin Selectivity in Electron Transport Through Light-Driven Molecular Motors. Available at SSRN: https://ssrn.com/abstract=3811874 or http://dx.doi.org/10.2139/ssrn.3811874
This version of the paper has not been formally peer reviewed.

Qirong Zhu

Weizmann Institute of Science - Department of Chemical and Biological Physics

234 Herzl Street
Rehovot, 76100
Israel

Wojciech Danowski

University of Groningen - Centre for Systems Chemistry ( email )

P.O. Box 800
9700 AH Groningen, Groningen 9700 AV
Netherlands

Amit Kumar Mondal

Weizmann Institute of Science - Department of Chemical and Biological Physics

234 Herzl Street
Rehovot, 76100
Israel

Francesco Tassinari

Weizmann Institute of Science - Department of Chemical and Biological Physics

234 Herzl Street
Rehovot, 76100
Israel

C. L. F. Van Beek

University of Groningen - Centre for Systems Chemistry ( email )

P.O. Box 800
9700 AH Groningen, Groningen 9700 AV
Netherlands

G. Henrieke Heideman

University of Groningen - Centre for Systems Chemistry ( email )

P.O. Box 800
9700 AH Groningen, Groningen 9700 AV
Netherlands

Kakali Santra

University of Groningen - Centre for Systems Chemistry

P.O. Box 800
9700 AH Groningen, Groningen 9700 AV
Netherlands

Sidney R. Cohen

Weizmann Institute of Science - Chemical Research Support

234 Herzl Street
Rehovot, 76100
Israel

Ben L. Feringa

University of Groningen - Centre for Systems Chemistry ( email )

P.O. Box 800
9700 AH Groningen, Groningen 9700 AV
Netherlands

Ron Naaman (Contact Author)

Weizmann Institute of Science - Department of Chemical and Biological Physics ( email )

Israel

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