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Electronic transport in self-assembled alkanethiol monolayers

✍ Scribed by Wenyong Wang; Takhee Lee; M.A. Reed

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
247 KB
Volume
19
Category
Article
ISSN
1386-9477

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✦ Synopsis

Electron tunneling through self-assembled monolayers of alkanethiols is investigated. Temperature-dependent currentvoltage measurements are performed to distinguish between di erent conduction mechanisms. Temperature-independent electron transport is observed, proving direct tunneling as the dominant conduction mechanism of alkanethiols. An exponential dependence of tunneling current on molecule length is observed. Inelastic electron tunneling spectroscopy results are reported.

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✍ Jennifer L. Trevor; Luke Hanley; Keith R. Lykke πŸ“‚ Article πŸ“… 1997 πŸ› John Wiley and Sons 🌐 English βš– 65 KB πŸ‘ 1 views

## Self -assembled monolayers of straight-chain alkanethiolates (RS) on gold were studied by nitrogen laser desorption followed by vacuum ultraviolet (118 nm) photoionization of secondary neutrals in a time-of-flight mass spectrometer. The dominant feature of all photoionization mass spectra were