Single-Molecule Junction Formation in Deep Eutectic Solvents with Highly Effective Gate Coupling.

ABSTRACT: The environment surrounding a molecular junction affects its charge-transport properties and, therefore, must be chosen with care. In the case of measurements in liquid media, the solvent must provide good solvation, grant junction stability, and, in the case of electrolyte gating experiments, allow efficient electrical coupling to the gate electrodes through control of the electrical double layer. We evaluated in this study the deep eutectic solvent mixture (DES) ethaline, which is a mixture of choline chloride and ethylene glycol (1:2), for single-molecule junction fabrication with break-junction techniques. In ethaline, we were able to (i) measure challenging and poorly soluble molecular wires, exploiting the improved solvation capabilities offered by DESs, and (ii) efficiently apply an

SUBMITTER: Qiao X 

PROVIDER: S-EPMC10331827 | biostudies-literature | 2023 Jul

REPOSITORIES: biostudies-literature