Langmuir study of octadecyltrimethoxysilane behavior at the air-water interface

Article Abstract:

Research was conducted to examine the behavior of octadecyltrimethoxysilane at the air-water interface for different subphases pH usingk surface pressure-area and surface potential-area isotherms combined with Brewster angle microscopy. Results reveal that the condensed phases observed at pH 1.0 and 11.0 are exempt of methoxy groups. Such properties have also been observed at pH 5.7 after a longer exposure of the film to the subphase.

Research, Thin films, Multilayered, Multilayered thin films, Hydrogen-ion concentration

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Molecular simulation of solvent-induced Stokes shift in absorption/emission spectra of organic chromophores

Article Abstract:

The Hush-Marcus model is used to study the values of steady-state solvatochromic Stokes shifts (SS) in absorption/emission electronic spectra of organic chromophores. This method has worked successfully in studies of solvent reorganization energies of several electron transfer (ET) reactions.

Analysis, Electron transport, Chemical properties, Chromophores, Emission spectra

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