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Single-molecule junctions sensitive to binary solvent mixtures
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DOI：10.1103/PhysRevB.106.075413.png)
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Abstract
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We propose a quantum-mechanical model to calculate the nonlinear differential conductance of a single molecular junction immersed in a solvent, either in pure form or as a binary mixture with varying volume fraction. The solvent mixture is captured by a dielectric continuum model for which the resulting spectral density is determined within the Gladstone-Dale approach. The conductance of the molecular junction is calculated by a real-time diagrammatic technique. We find a strong variation of the conductance maximum for varying volume fraction of the solvent mixture. Importantly, the calculated molecular nonlinear conductance shows a very good agreement with experimentally measured data for common molecular junctions in various polar solvent mixtures.
Keywords:
ZERO-BIAS ANOMALIES
DIELECTRIC-RELAXATION
ELECTRON-TRANSFER
CHARGE-TRANSPORT
QUANTUM DOTS
THERMOELECTRICITY
FREQUENCY
MOMENTS
TIMES
Journal
IF:
3.7
Papers:
15.4W
Citations:
41.0W
Organization
Cited Papers
ShareSaveSolvent-molecule interaction induced gating of charge transport through single-molecule junctions.png)
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