Phase Separation within a Binary Self-Assembled Monolayer on Au111 Driven by an Amide-Containing Alkanethiol Export

@article{citeulike:5719584, abstract = {We report the phase separation of a self-assembled monolayer formed from a binary mixture of adsorbates, n-decanethiol, and an amide-containing alkanethiol of similar length (3-mercapto-N-nonylpropionamide), as studied by scanning tunneling microscopy. While mixtures of n-alkanethiols of similar length (i.e., n-decanethiol and n-dodecanethiol) show no phase separation, the introduction of a hydrogen-bonding functionality buried deep within the film induces the formation of single-component domains on the nanometer scale. Phase separation occurs at all relative compositions studied, and for these molecules maintains the same exposed terminal functionality across the entire film. In nonequimolar concentrations of adsorbates, we observe that the solution component present in greater concentration will dominate the composition of the adsorbed monolayer in super proportion to that in solution, consistent with enthalpic contributions from both the solvent and intermolecular interactions of adsorbates.}, author = {Smith, Rachel K. and Reed, Scott M. and Lewis, Penelope A. and Monnell, Jason D. and Clegg, Robert S. and Kelly, Kevin F. and Bumm, Lloyd A. and Hutchison, James E. and Weiss, Paul S.}, citeulike-article-id = {5719584}, citeulike-linkout-0 = {http://dx.doi.org/10.1021/jp0035129}, citeulike-linkout-1 = {http://pubs.acs.org/doi/abs/10.1021/jp0035129}, day = {1}, doi = {10.1021/jp0035129}, journal = {The Journal of Physical Chemistry B}, keywords = {alkanethiol, mixedmonolayer, sam}, month = {February}, number = {6}, pages = {1119--1122}, posted-at = {2009-09-03 21:07:40}, priority = {0}, title = {Phase Separation within a Binary Self-Assembled Monolayer on Au{111} Driven by an Amide-Containing Alkanethiol}, url = {http://dx.doi.org/10.1021/jp0035129}, volume = {105}, year = {2001} }

TY - JOUR ID - citeulike:5719584 L3 - citeulike-article-id:5719584 N2 - We report the phase separation of a self-assembled monolayer formed from a binary mixture of adsorbates, n-decanethiol, and an amide-containing alkanethiol of similar length (3-mercapto-N-nonylpropionamide), as studied by scanning tunneling microscopy. While mixtures of n-alkanethiols of similar length (i.e., n-decanethiol and n-dodecanethiol) show no phase separation, the introduction of a hydrogen-bonding functionality buried deep within the film induces the formation of single-component domains on the nanometer scale. Phase separation occurs at all relative compositions studied, and for these molecules maintains the same exposed terminal functionality across the entire film. In nonequimolar concentrations of adsorbates, we observe that the solution component present in greater concentration will dominate the composition of the adsorbed monolayer in super proportion to that in solution, consistent with enthalpic contributions from both the solvent and intermolecular interactions of adsorbates. IS - 6 JF - The Journal of Physical Chemistry B EP - 1122 TI - Phase Separation within a Binary Self-Assembled Monolayer on Au{111} Driven by an Amide-Containing Alkanethiol VL - 105 SP - 1119 KW - alkanethiol KW - mixedmonolayer KW - sam AU - Smith, Rachel AU - Reed, Scott AU - Lewis, Penelope AU - Monnell, Jason AU - Clegg, Robert AU - Kelly, Kevin AU - Bumm, Lloyd AU - Hutchison, James AU - Weiss, Paul PY - 2001/02/01/ UR - http://dx.doi.org/10.1021/jp0035129 ER -