Pressure-Induced Structural Change of the Langmuir-Blodgett Films of Squarylium Dye and Arachidic Acid

By changing the surface pressure a drastic change of morphology was induced in monolayers of a surface-active squarylium dye and arachidic acid at the air-water interface. After transfer on solid supports, the films were investigated by atomic force microscopy. The presence of three-dimensional cone...

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Veröffentlicht in:	Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals Molecular crystals and liquid crystals, 1999-02, Vol.327 (1), p.139-142
Hauptverfasser:	Terrettaz, Samuel, Matsumoto, Mutsuyoshi
Format:	Artikel
Sprache:	eng
Schlagworte:	AFM Chemistry Exact sciences and technology General and physical chemistry Langmuir blodgett films Langmuir-Blodgett film monolayer squarylium dye squeezing-out supermon-omolecular layer Surface physical chemistry
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Beschreibung
Zusammenfassung:	By changing the surface pressure a drastic change of morphology was induced in monolayers of a surface-active squarylium dye and arachidic acid at the air-water interface. After transfer on solid supports, the films were investigated by atomic force microscopy. The presence of three-dimensional cones was associated with the squeezing-out of dye molecules from the planar film as the surface pressure grew.
ISSN:	1058-725X
DOI:	10.1080/10587259908026799