Reduction of U(VI) to U(IV) on the surface of TiO2 anatase nanotubes

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Reduction of U(VI) to U(IV) on the surface of TiO2 anatase nanotubes

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Titanium dioxide nanotubes were investigated as an adsorbent for the uranyl ion from solution under UV irradiation. Results from X-ray photoelectron spectroscopy analysis clearly indicate the reduction of U(VI) to U(IV) on the oxide surface.

Inspec keywords: titanium compounds; ultraviolet radiation effects; semiconductor materials; photochemistry; X-ray photoelectron spectra; reduction (chemical); catalysts

Other keywords: anatase nanotubes; uranyl ion; X-ray photoelectron spectroscopy analysis; TiO2; titanium dioxide nanotubes; UV irradiation; oxide surface; reduction; photocatalytic activation

Subjects: Photoemission and photoelectron spectra (condensed matter); Radiation effects (semiconductor technology); Ultraviolet, visible and infrared radiation effects; Heterogeneous catalysis at surfaces and other surface reactions; Photolysis and photodissociation by IR, UV and visible radiation; Oxide and ferrite semiconductors; Specific chemical reactions; reaction mechanisms

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