Chemical force microscopy of mixed self-assembled monolayers of alkanethiols on gold: evidence for phase separation.

@article{Brewer2004ChemicalFM,
  title={Chemical force microscopy of mixed self-assembled monolayers of alkanethiols on gold: evidence for phase separation.},
  author={Nicholas J Brewer and Graham J Leggett},
  journal={Langmuir : the ACS journal of surfaces and colloids},
  year={2004},
  volume={20 10},
  pages={4109-15}
}
Mixed self-assembled monolayers formed by the coadsorption of hydroxyl- and methyl-terminated alkanethiols with similar chain lengths have been characterized by friction force microscopy. Friction coefficients have been determined by assuming a fit to Amonton's law. The friction coefficients vary linearly with the fraction of polar-terminated adsorbates in the self-assembled monolayer (SAM). With carboxylic acid-terminated tips, the coefficient of friction increases with the fraction of… CONTINUE READING

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