Intermolecular dynamics and structure of carbon disulfide in isoviscous alkane solutions: an optical Kerr effect study

Article Abstract:

An attempt is made to study mixtures of CS2 with 2-methylhexane and with n-hexane using optical Kerr effect spectroscopy, in each case at a temperature at which the two components and all of their mixtures at different volume fractions have the same viscosity. Data obtained allows to make a direct comparison of orientational and intermolecular dynamics as a function of the CS2 volume fraction, as well as to gain insight into the structure of the mixtures.

All Other Basic Organic Chemical Manufacturing, Industrial organic chemicals, not elsewhere classified, Carbon Disulfide, Molecular dynamics, Optical properties, Alkanes, Structure, Chemical properties

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Mode-selective optical Kerr effect spectroscopy

Article Abstract:

The study demonstrate that by using two pump pulses with independently controllable polarizations, intensity, and timing, different contributions to the optical Kerr effect (OKE) signal in liquids can be enhanced and suppressed. When both pump pulses have the same polarization, intramolecular vibrations can be enhanced or suppressed without affecting the reorientational diffusion contribution to the signal significantly.

Methods, Polarization (Light)

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Geometric effects in the dynamics of a nonwetting liquid in microconfinement: an optical Kerr effect study of methyl iodide in nanporous glasses

Article Abstract:

A study was conducted to analyze the orientational properties of liquid methyl iodide in nanoporous glasses supporting different pore size using optical Kerr effect spectroscopy. The two-step acid base-catalyzed hydrolysis of tetraethyl orthosilicate was carried out to prepare the monolithic nanoporous glass samples. Experimental results indicated that the liquid methyl iodide supported bimodal properties.

Research, Iodides, Glass research

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