Issue 26, 2014

Thermodynamics of 4,4′-stilbenedicarboxylic acid monolayer self-assembly at the nonanoic acid–graphite interface

Abstract

A direct calorimetric measurement of the overall enthalpy change associated with self-assembly of organic monolayers at the liquid–solid interface is for most systems of interest practically impossible. In previous work we proposed an adapted Born–Haber cycle for an indirect assessment of the overall enthalpy change by using terephthalic acid monolayers at the nonanoic acid–graphite interface as a model system. To this end, the sublimation enthalpy, dissolution enthalpy, the monolayer binding enthalpy in vacuum, and a dewetting enthalpy are combined to yield the total enthalpy change. In the present study the Born–Haber cycle is applied to 4,4′-stilbenedicarboxylic acid monolayers. A detailed comparison of these two aromatic dicarboxylic acids is used to evaluate and quantify the contribution of the organic backbone for stabilization of the monolayer at the nonanoic acid–graphite interface.

Graphical abstract: Thermodynamics of 4,4′-stilbenedicarboxylic acid monolayer self-assembly at the nonanoic acid–graphite interface

Supplementary files

Article information

Article type
Paper
Submitted
17 Mar 2014
Accepted
14 May 2014
First published
14 May 2014
This article is Open Access
Creative Commons BY license

Phys. Chem. Chem. Phys., 2014,16, 13239-13247

Author version available

Thermodynamics of 4,4′-stilbenedicarboxylic acid monolayer self-assembly at the nonanoic acid–graphite interface

W. Song, N. Martsinovich, W. M. Heckl and M. Lackinger, Phys. Chem. Chem. Phys., 2014, 16, 13239 DOI: 10.1039/C4CP01147C

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