Stacking phenomena in polyaromatic compounds

Solid–liquid equilibria (SLE) and formation of films at the air/water interface were investigated for binaries formed with 1-pyrenecarboxaldehyde (PCA) or fluorenone, mixed with pyrene or phenanthrene. In all systems studied, the components are non-miscible in the solid phase. Two eutectic points an...

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Bibliographic Details
Published in:Thermochimica acta 1999-01, Vol.325 (2), p.119-124
Main Authors: Mahmoud, R, Rogalska, E, Solimando, R, Rogalski, M
Format: Article
Language:English
Subjects:
Aggregation of polyaromatics
Chemistry
Exact sciences and technology
Films at the air/water interface
General and physical chemistry
Liquid-solid equilibria
Organized structures
Phase equilibria
Solid–liquid equilibria (SLE) of binary mixtures
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Summary:Solid–liquid equilibria (SLE) and formation of films at the air/water interface were investigated for binaries formed with 1-pyrenecarboxaldehyde (PCA) or fluorenone, mixed with pyrene or phenanthrene. In all systems studied, the components are non-miscible in the solid phase. Two eutectic points and the formation of a solid compound is observed in the diagram. The aggregation phenomena occurring in presence of water can lead to the formation of organized structures, similar to those observed in the case of surfactant/water systems. The results obtained suggest that these polyaromatic molecules have a tendency to stacking and agglomerating.
ISSN:0040-6031
1872-762X
DOI:10.1016/S0040-6031(98)00581-4