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Thermodynamics of 4,4'-stilbenedicarboxylic Acid Monolayer Self-Assembly at the Nonanoic Acid-Graphite Interface

Thermodynamics of 4,4'-stilbenedicarboxylic Acid Monolayer Self-Assembly at the Nonanoic Acid-Graphite Interface

W Song, N Martsinovich, W M Heckl, M Lackinger

Phys Chem Chem Phys. 2014 Jul 14;16(26):13239-47.

PMID: 24870380

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.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP100312	4,4′-Stilbenedicarboxylic acid		100-31-2	Price

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