Growth of graphite nanofibers from the iron-copper catalyzed decomposition of CO/H (sub 2) mixtures

Article Abstract:

The formation of graphite nanofibers from the iron-copper catalyzed decomposition of CO/H (sub 2) mixtures over a series of powdered Fe-Cu catalyst at the temperatures ranging from 500 to 700 degree C is investigated. It was found that the addition of Cu to Fe did not exert a significant influence on the amount of solid carbon product formed in the reaction, the examination of the nanofibers by high-resolution TEM revealed that the materials generated from Fe-rich Cu bimetallics were notably more graphitic in nature than those grown from pure Fe.

Iron, Iron (Metal), Graphite

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MP2 study on water adsorption on cluster models on Cu(111)

Article Abstract:

The cluster model approach and the high-level ab initio methods were used to study the interaction energies of a water molecule with a model Cu (111) surface. After counterpoise correction (CP), the interaction was found to be significantly weak and the orientation with hydrogen toward the surface was the most favorable energetically for the chosen method with a CP-corrected minimum of - 16 kJ/mol.

Adsorption

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Further studies of the interaction of hydrogen with graphite nanofibers

Article Abstract:

Research into catalytically engineered graphite nanofibers and the factors involved in the adsorption of molecular hydrogen and influence exerted by this process on the material's structural characteristics is discussed.

Nanotechnology, Chemistry, Physical and theoretical, Physical chemistry, Organometallic chemistry, Graphite fibers

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