Authors: Atxabal, Ainhoa
Arnold, Thorsten
Parui, Subir
Hutsch, Sebastian
Zuccatti, Elisabetta
Llopis, Roger
Cinchetti, Mirko
Casanova, Felix
Ortmann, Frank
Hueso, Luis E.
Title: Tuning the charge flow between Marcus regimes in an organic thin-film device
Language (ISO): en
Abstract: Marcus’s theory of electron transfer, initially formulated six decades ago for redox reactionsin solution, is now of great importance for very diverse scientific communities. The molecularscale tunability of electronic properties renders organic semiconductor materials in principlean ideal platform to test this theory. However, the demonstration of charge transfer indifferent Marcus regions requires a precise control over the driving force acting on the chargecarriers. Here, we make use of a three-terminal hot-electron molecular transistor, which letsus access unconventional transport regimes. Thanks to the control of the injection energy ofhot carriers in the molecular thinfilm we induce an effective negative differential resistancestate that is a direct consequence of the Marcus Inverted Region.
Subject Headings: Electron transfer
Electronic devices
Molecular electronics
Issue Date: 2019-05-07
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