Fluorescent dyes mixed with liquid crystals in Langmuir and Langmuir-Blodgett films

Tomasz Martynski; Andrezj Biadasz; Robert Hertmanowski; Danuta Bauman

doi:10.1117/12.581134

1 September 2004 Fluorescent dyes mixed with liquid crystals in Langmuir and Langmuir-Blodgett films

Tomasz Martynski, Andrezj Biadasz, Robert Hertmanowski, Danuta Bauman

Proceedings Volume 5565, XV Conference on Liquid Crystals; (2004) https://doi.org/10.1117/12.581134
Event: XV Conference on Liquid Crystals, 2003, Zakopane, Poland

Abstract

Langmuir and Langmuir-Blodgett films of various dyes, namely derivatives of: 3,4,9,10-perylenetetracarboxylic acid, 3,4,9-perylenetricarboxylic acid, naphthalenebicarboxylic acid and naphthoylenebenzimidazole as well as of their mixtures with a liquid crystal were investigated. The dependence of the surface pressure -- on the mean molecular area for Langmuir films was measured, from which the molecular organization and the miscibility of components in the monomolecular layer at the air-water interface were determined. For Langmuir-Blodgett films the absorption and emission spectra were recorded and information about the spectral properties and molecular alignment of dyes and liquid crystals in ultrathin layers at solid substrates was obtained.

Citation Download Citation

Tomasz Martynski, Andrezj Biadasz, Robert Hertmanowski, and Danuta Bauman "Fluorescent dyes mixed with liquid crystals in Langmuir and Langmuir-Blodgett films", Proc. SPIE 5565, XV Conference on Liquid Crystals, (1 September 2004); https://doi.org/10.1117/12.581134

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