Reaction of NO2 with Zn and ZnO: photoemission, XANES, and density functional studies on the formation of NO3

Article Abstract:

Issues concerning the interaction of nitrogen oxides with polycrystalline surfaces of zinc oxide and metallic zinc are presented.

Usage, Observations, X-ray spectroscopy, Zinc, Zinc (Metal), Nitrogen oxides, Chemistry, Physical and theoretical, Physical chemistry, Nitrogen oxide, Synchrotron radiation

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Chemistry of SO2, H2S, and CH3SH on carbide-modified Mo(010) and Mo2C powders: photoemission and XANES studies

Article Abstract:

Chemical reactivity of molybdenum carbide is similar to that of metallic Mo and much larger than that of molybdenum sulfide. Molybdenum carbide is very reactive toward sulfur-containing molecules, being able to break S-O, S-H, and S-C bonds at temperatures below 300K.

Science & research, All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Molybdenum Compounds, Chemical bonds, Chemical properties, Ammonium molybdate, Carbides

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Chemistry of thiophene on ZnO, S/ZnO, and Cs/ZnO surfaces: effects of cesium on desulfurization processes

Article Abstract:

The introduction of cesium (Cs) adatoms in zinc oxide-precovered surfaces has been found to hasten the adsorption energy of thiopene by a constant of atleast 5-10 kcal/mol. Such does not only enhance the decomposition rate of thiopene, but significantly improve the energetics for C4H4S adsorption. On the contrary, integration of sulfur adatoms tend to undermine the bonding strength of thiopene on zinc oxide surfaces, due primarily to weak chemisorption.

Analysis, Cesium, Binding sites (Biochemistry), Active sites (Biochemistry), Desulfurization, Desulfuration

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