Hydrazine decomposition over Ir(sub n)/Al2O3 model catalyst prepared by size-selected cluster deposition

Article Abstract:

A study of hydrazine decomposition is conducted by temperature-programmed desorption (TPD) on model catalyst prepared by deposition of 0.5 ML equivalent of Ir(super +) on Al2O3/NiAl. A substantial decrease in the Ir X-ray photoelectron spectroscopy intensity suggests that considerable fraction of the nitrogen contained in the hydrazine is converted to an aluminum nitride compound.

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

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Thermal fluorination and annealing of single-wall carbon nanotubes

Article Abstract:

The single-walled carbon nanotubes (SWNTs) were fluorinated with F2 at 250 degree Celsius and then some were heated under He to temperature ranging from 100 to 400 degree Celsius to desorb the fluorine. Raman showed that both fluorination and thermal defluorination damaged the tubes by creating defects and/or amorphous carbon phase.

Carbon, Nanotubes, Fluorination

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Multilayer-induced reaction of cyclobutane on Ir(111): identification of reaction products and reaction kinetics

Article Abstract:

The low temperature adsorption of cyclobutane on the hexagonally closed-packed (hcp) Ir(111) surface is studied using temperature-programmed desorption and high-resolution electron energy loss spectroscopy. The occurrence on the Ir(111) surface by multilayered induced reaction (MIR) of cyclobutane is conclusively proved.

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