Intermolecular Interactions in Organic Dye Monolayers Formed by Langmuir-Blodgett Technique

Abstract

Langmuir and Langmuir-Blodgett films of some organic dyes (perylene-like dyes, derivatives of 4-aminonaphthalimide, derivatives of naphthoylenebenzimidazole, azo dyes) and their mixtures with thermotropic liquid crystal or arachidic acid have been investigated. Surface pressure as a function of the mean molecular area for the Langmuir films were measured and information about organization of molecules at the air-water interface has been obtained. Absorption spectra in situ for the Langmuir films and both absorption and fluorescence spectra for Langmuir-Blodgett films were recorded. The results obtained from spectroscopic studies have led to conclusions about formation of self-aggregates of dye molecules, both in ground and excited states, at the phases interfaces.

Intra- and Interlayer Energy Transfer in Planar Systems Based on Amphiphilic Naphthalimide Derivatives

“…Только единичные работы посвящены вопросам формирования организованных тонких пленок на основе производных нафталимида. [17][18][19] Причем в указанной группе публикаций для обеспечения возможности пере-носа пленок на твердые подложки авторы прибегают к помощи растекателей, придающих системе необходимые поверхностно-активные свойства. Использование для получения стабильных монослоев и пленок Ленгмюра-Блоджетт (ПЛБ) дифильных производных нафталимида с длинноцепочечными алкильными заместителями до настоящего времени в литературе не описано.…”