Continuous hot electron generation in Pt/TiO(sub 2), Pd/TiO(sub 2) and Pt/GaN catalytic nanoiodes from oxidation of carbon monoxide

Article Abstract:

A study was performed to detect and monitor the continuous electron flow across the metal-oxide interfaces of Pt/TiO(sub 2), Pd/TiO(sub 2) and Pt/GaN during a catalytic oxidation of carbon monoxide. The study revealed that the electron excitation and flow in the metals were due to the conversion of energy released by the oxidation of carbon monoxide into the kinetic energy of free electrons in platinum (Pt) and palladium (Pd).

Industrial Gas Manufacturing, Palladium, Industrial gases, Carbon Monoxide, Atomic properties

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Toward the comparison of rare earth element and actinide behavior in materials: A computational study of Ce- and U-bearing britholites

Article Abstract:

A computational investigation into the nature of bonds formed by f-elements in materials is reported and an example of the incorporation of rare earth elements (REE) and actinides in minerals derived from fluorapatite: [Ca.sub.10][(P[O.sub.4]).sub.6][F.sub.2]. The results confirm that Ce- and U-bearing britholites exhibit very similar energetic, structural, and electronic properties and Ce appears to be a good simulant for U.

Chemical bonds, Actinide elements, Structure

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Oxysulfides Ln(sub 2)Ti(sub 2)S(sub 2)O(sub 5) as stable photocatalysts for water oxidation and reduction under visible-light irradiation

Article Abstract:

Photocatalytic activity of lanthanoids is governed by electronic band structure, which has great potential for solar energy applications. This photocatalystic activity is discussed on the basis of the electronic band structure and bulk materials structure.

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