Deciphering <i>I–V</i> characteristics in molecular electronics with the benefit of an analytical model

Taherinia, Davood; Frisbie, C. Daniel

doi:10.1039/d3cp03877g

Cited by 3 publications

(2 citation statements)

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“…As seen, it can be applied even in situations beyond the reach of the (by now) standard TVS-based approach 12 whose broad usefulness has already be recognized. 13…”

Section: Discussionmentioning

confidence: 99%

“…Methodological advantages of the orSLM approach have been highlighted recently. 13 One particular aspect worth mentioning is the excellent agreement between the MO offset extracted from transport data and the MO offset obtained from a completely different method, namely independent ultraviolet photoelectron spectroscopy (UPS) data. This finding is all the more important, since it has been reported for completely different homologous molecular series.…”

Section: Introductionmentioning

confidence: 96%

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Gaining insight into molecular tunnel junctions with a pocket calculator without I–V data fitting. Five-thirds protocol

Bâldea

2024

Phys. Chem. Chem. Phys.

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“…As seen, it can be applied even in situations beyond the reach of the (by now) standard TVS-based approach 12 whose broad usefulness has already be recognized. 13…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 96%

Gaining insight into molecular tunnel junctions with a pocket calculator without I–V data fitting. Five-thirds protocol

Bâldea

2024

Phys. Chem. Chem. Phys.

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Gating the Rectifying Direction of Tunneling Current through Single-Molecule Junctions

Wang,

Hu,

Adijiang

et al. 2024

J. Am. Chem. Soc.

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In electronic functional chips, one of the most crucial components is the field-effect transistor (FET). To meet the urgent demands for further miniaturization of electronic devices, solid-state single-molecule transistors by molecular orbital gating have been extensively reported. However, under negative bias and positive bias, achieving a distinct gating effect is extremely challenging because molecular orbital gating is independent of the bias polarity. Here, we demonstrated that rectifiers can be realized in single-molecule junctions with a symmetric molecular structure and an electrode material by simply breaking the symmetry of the electrode's chemical potential via ionic adsorption. We further demonstrated that the tunneling current can be gated with opposite change tendencies under negative and positive bias by applying an ionic gating voltage, which eventually results in a reversal of the rectifying direction. Our experiments elucidate that, unlike the classical mechanism for solid molecular FET, the modulation of the electrode's chemical potential, rather than the regulation of molecular orbitals, might dominate the electron transport in the ionic liquid environment upon a gating voltage. Our study gains deeper insights into the mechanism of ionic liquid gating and opens a window for designing highperformance electrochemical-based functional devices.

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Temperature dependence of charge transport in molecular ensemble junctions

Sullivan,

Morningstar,

Makala

et al. 2024

J. Mater. Chem. C

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Deciphering I–V characteristics in molecular electronics with the benefit of an analytical model

Abstract: We share our perspective that a simple analytical model for electron tunneling in molecular junctions can greatly aid quantitative analysis of experimental data in molecular electronics. In particular, the single...

Cited by 3 publications

References 68 publications

Gaining insight into molecular tunnel junctions with a pocket calculator without I–V data fitting. Five-thirds protocol

Gaining insight into molecular tunnel junctions with a pocket calculator without I–V data fitting. Five-thirds protocol

Gating the Rectifying Direction of Tunneling Current through Single-Molecule Junctions

Temperature dependence of charge transport in molecular ensemble junctions

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