Abrupt change in the structure of self-assembled monolayers upon metal 
evaporation

Tai, Y.; Shaporenko, A.; Eck, W.; Grunze, Michael; Zharnikov, M.

doi:10.1063/1.1842361

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Abrupt change in the structure of self-assembled monolayers upon metal evaporation

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Grunze, Michael
Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society;

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Citation

Tai, Y., Shaporenko, A., Eck, W., Grunze, M., & Zharnikov, M. (2004). Abrupt change in the structure of self-assembled monolayers upon metal evaporation. Applied Physics Letters, 85(25), 6257-6259. doi:10.1063/1.1842361.

Cite as: https://hdl.handle.net/21.11116/0000-0001-ADB0-5

Abstract

We have studied the interaction of vapor-deposited nickel with thiol-terminated self-assembled monolayers (SAMs) of oligophenylthiolates on Au, which can be considered as model systems for molecular electronics. Instead of usually observed disordering of the molecular layer, a drastic decrease in molecular tilt was observed at the initial stage of the deposition. This was attributed to the formation of Ni-thiol complexes at the SAM–ambient interface. The reorientation resulted in the appearance of transient channels for the metal diffusion into the SAM and to the SAM–substrate interface.