journal article·2018-05Open access

Chirality Dependent Charge Transfer Rate in Oligopeptides

Francesco Tassinari, Dilhara R. Jayarathna, Nirit Kantor‐Uriel, Kathryn L. Davis, Vaibhav Varade, Catalina Achim, Ron Naaman

Advanced Materials· Volume 30· Issue 21

Abstract

Abstract It is shown that “spontaneous magnetization” occurs when chiral oligopeptides are attached to ferrocene and are self‐assembled on a gold substrate. As a result, the electron transfer, measured by electrochemistry, shows asymmetry in the reduction and oxidation rate constants; this asymmetry is reversed between the two enantiomers. The results can be explained by the chiral induced spin selectivity of the electron transfer. The measured magnetization shows high anisotropy and the “easy axis” of magnetization is along the molecular axis.
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Research context

OpenAlex topics: Molecular Junctions and Nanostructures · Surface Chemistry and Catalysis · Electrocatalysts for Energy Conversion

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemical and Biological Physics Weizmann Institute of Science Rehovot 76100 Israel

Department of Chemistry Carnegie Mellon University Pittsburgh PA 15213 USA

Department of Chemistry Manchester University North Manchester IN 46962 USA

Funding

Israel Science Foundation · FP7 Ideas: European Research Council · Seventh Framework Programme · John Templeton Foundation · National Science Foundation

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