Emission ellipsometry as a tool for luminescent liquid crystal phase transition identification.
basic_science · Level V
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- Record sourced from PubMed, PMID 30253482.
- Also identified by DOI 10.1103/PhysRevE.98.022702.
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Abstract
In the present work, we have studied the liquid crystalline properties of a luminescent molecule, which presents smectic mesophases, using the emission ellipsometry technique. A methodology with photoselection of the excitation light to improve the experiment is presented. An empirical model is proposed to explain the experimental results. The Stokes parameters of the emitted light allowed the correlation of changes in the polarization degree, ellipticity angle, and rotation angle with phase transitions.