Photoelectric properties of a self-ordered molecular disperse structure based on a polar-dye solution in a liquid-crystal matrix

An analysis of photoluminescence spectra and nonlinear optical properties revealed the effect of polar-dye aggregates in a liquid-crystal matrix on the formation of an ordered molecular disperse structure. As the dye is aggregated in the liquid-crystal matrix, there is a certain concentration of the...

Full description

Saved in:
Bibliographic Details
Published in:Physics of the solid state 2007-11, Vol.49 (11), p.2200-2209
Main Authors: Piryatinskiĭ, Yu. P., Sevryukova, M. M.
Format: Article
Language:English
Subjects:
Crystal structure
Dispersion
Dyes
Electric fields
Molecular structure
Nonlinear optics
Optical properties
Photoelectric effect
Photoelectricity
Photoluminescence
Second harmonic generation
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:An analysis of photoluminescence spectra and nonlinear optical properties revealed the effect of polar-dye aggregates in a liquid-crystal matrix on the formation of an ordered molecular disperse structure. As the dye is aggregated in the liquid-crystal matrix, there is a certain concentration of the dye below which only second-harmonic generation occurs upon laser excitation at 1064 nm, while above this concentration, this generation occurs in combination with intense two-photon-induced photoluminescence. An applied electric field or intense ultraviolet illumination is found to change both the molecule orientation and the conditions of molecule aggregation.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783407110303