Photocatalytic activity for water decomposition of indates with octahedrally coordinated d(super 10) configuration. I. Influences of preparation conditions on activity

Article Abstract:

The photocatalytic properties for water decomposition of RuO2-dispersed alkaline earth metal and lanthanum indates with an octahedrally coordinated In(super 3+) ion of d(super 10) configuration are studied. It was shown that the combination of well-crystallized CaIn2O4 with highly dispersed RuO2 particles led to high photocatalytic performance: Hydrogen and oxygen were stably produced at nearly the stoichiometric ratio under UV irradiation.

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Photocatalytic activity for water decomposition of indates with octahedrally coordinated d(super 10) configuration. II. Roles of geometric and electronic structures

Article Abstract:

The effects of electronic and local structures on the photocatalytic activities for water decomposition of different kinds of indates [MIn2O4 (M = Ca, Sr), Sr0.93Ba0.07In2O4, and AlnO2 (A = Li, Na)] are studied. It was shown that the photocatalytically active indates possessed distorted InO6 octahedra with dipole moment, and there was a correlation between the photocatalytic activities and the dipole moment.

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Effects of thickness extension mode resonance oscillation of acoustic waves on catalytic and surface properties: activation of an Ag catalyst for ethanol decomposition by overtone resonance frequencies

Article Abstract:

This study pertains to the impact of resonance frequencies of acoustic waves on catalytic and surface properties. The resonance frequency effects of thickness extension mode resonance oscillation on catalyst activation are discussed.

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