Abstract

Nanostructured TiO 2 films modified with Nd 3 + -ions have been produced by sol-gel method and characterized by XRD method. Electrocatalytic activity of electrodes based on prepared films in the oxygen electroreduction have been tested. Improvement of electrocatalytic activity in comparison with unmodified TiO 2 has been observed for films with dopant concentrations up to 3%. Synthesized films can be used in electrochemical sensors for the determination of O 2 in liquid media.

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