Syn-anti conformational changes in zinc porphyrin dimers induced by temperature-controlled alcohol ligation

Article Abstract:

Alcohol-containing nonpolar solvents have been found to be the venue for temperature-dependent, syn-anti conformational switching in bis- and monozinc ethane-bridged porphyrin dimers. The dimers are believed to exhibit a syn conformation in the absence of alcohol, but a decrease in temperature occurs in the presence of alcohol. This temperature decrease results in the gradual shift of the conformational equilibrium toward the anti conformer.

Research, Alcohol, Ethanol, Spectra, Chemistry, Physical and theoretical, Physical chemistry, Porphyrins

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Switching direction of laterally ordered monolayers induced by transfer instability

Article Abstract:

A nonequilibrium model based on the stability of surfactant concentration and film thickness coupled fluctuations near the meniscus of a surfactant-covered receding thin film is reported.

Semiconductors and related devices, Semiconductor and Related Device Manufacturing, Thin Film Materials, Surface active agents, Surface Active Agent Manufacturing, Thin films, Monomolecular films, Dielectric films, Chemical properties

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