Alkane trapping onto structured alkane monolayers on Pt(111) at low temperature

Article Abstract:

Analyses done on the trapping dynamics of methane and ethane onto preadsorbed methane-, ethane-, propane-, and n-butane- saturated layers on Pt(111) at 30 and 50 K using supersonic molecular beam techniques is reported. Results indicate that methane and ethane trapping on P(111) at low temperature is enhanced compared to trapping on the clean surface at the same energies adsorbed alkanes namely trapping into an extrinsic precursor state.

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Temperature dependent adsorption dynamics of CH4 on alkane-covered Pt (111)

Article Abstract:

The dynamic process of adsorption is characterized by the adsorption probability, which is defined as the fraction of molecules, and which becomes thermallized with the surface and remains adsorbed, divided by the total number of molecules impinging upon the surface. The result suggests that the trapping dynamics into the extrinsic precursor are relatively independent of the metal substrate.

Chemistry, Physical and theoretical, Physical chemistry, Adsorption, Atomic properties

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Assessment of isoreticular metal-organic frameworks for adsorption separations: a molecular simulation study of methane/n-butane mixtures

Article Abstract:

A wide variety of new nanoporous metal-organic materials are synthesized using supramolecular chemistry and directed assembly in a building block approach based on corner units and linker molecules. Molecular simulations are used to assess the suitability of one group of metal organic materials, namely, isoreticular metal-organic frameworks (IRMOFs), as adsorbents for mixture separations.

Natural Gas Liquid Extraction, Natural gas liquids, Normal Butane, Butane

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