Nitro group as a means of attaching organic molecules to silicon: Nitrobenzene on Si(100)-2*1

Article Abstract:

The computational and infrared studies of the reactions of nitrobenzene on a Si(100) surface which is a prototypical model reaction for understanding the behavior of bifunctional molecules on semiconductor surfaces is described. Computational exploration suggests that two stable structures could be formed and the initial reaction of nitrobenzene with the Si(100)-2*1 occurs through 1,3-dipolar cycloadditions of the nitro group to the silicon surface dimer.

All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Nitrogen Compounds, Silicon

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The ultrafast relaxation dynamics of a viscosity probe molecule in an AOT-reversed micelle: Contribution of the specific interactions with the local environment

Article Abstract:

The relaxation dynamics of photexcited auramine O(AuO) in water and water/AOT/n-heptant reversed micelle was investigated by using transient absorption spectroscopy to clear the influence of the factors other than solvent viscosity on the relaxation. The transient absorption spectra of AuO in the reversed micelle showed that the relaxation dynamics of the photoexcited AuO reversed micelle was about one order slower than that in bulk water.

Analysis, Viscosity, Micelles, Absorption spectra

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The role of coexisting ions in a chemical oscillation induced by ionic surfactant molecules at a water/nitrobenzene interface

Article Abstract:

The mechanisms of the relaxation process in terms of coexisting ions in the oil phase are investigated. The mechanism for the nonlinear oscillatory behavior of the ionic surfactant molecules at the water/nitrobenzene (W/NB) interface is considered in terms of the remarkable difference in diffusion speed in the aqueous bulk phase and across the W/NB interface due to the contribution of water molecules that hydrate the surfactant molecules.

Ions, Oscillation, Oscillations

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