Hybrid two-dimensional correlation and parallel factor studies on the switching dynamics of a surface-stabilized ferroelectric liquid crystal

Article Abstract:

A study is conducted to demonstrate the potential of two new spectral analysis methods, hybrid two-dimensional (2D) correlation spectroscopy and parallel factor (PARAFAC) in the analysis of polarized infrared (IR) and time-resolved IR spectra of ferroelectric liquid crystals (FLCs). Hybrid 2D and PARAFAC are powerful to illustrate the relationship between the spectral changes caused by the two perturbations, the polarization angle and the delay time foe FLC-3.

Analysis, Ferroelectric crystals, Polarizers (Light)

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Characterization by Fourier transform infrared spectroscopy (FT-IR) and 2D IR correlation spectroscopy of PAMAM dendrimer

Article Abstract:

Fourier transform infrared (FT-IR) and two-dimensional (2D) spectroscopy are used to study the microstructural changes occurring during phase transitions of a liquid crystal poly(amidoamine) codendrimer (PAMAM) generation 3 codendrimer. Spectral analysis has given evidence of the liquid-crystalline (LC) phase transitions and to an additional transition associated with the existence of conformers.

Fourier transform infrared spectroscopy, Dendrimers

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Single molecule spectroscopy of conjugated polymer chains in an electric field-aligned liquid crystal

Article Abstract:

Single molecule polarization spectroscopy is used for examining the alignment of a polymer solute with respect to the liquid crystal (LC) director in an LC device while applying an external electric field. The results have shown that conjugated polymers can be used as sensitive local probes to explore complex structures in anisotropic media.

Properties

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