Abstract

CeO2/ZnO nanotube array films grown on FTO substrates are successfully synthesized by a two-step electrodeposition process. The CeO2/ZnO nanotube array films exhibit substantially enhanced photocatalytic activity with a hydrogen evolution rate of 2.7 μmol cm−2 h−1 under white light irradiation and excellent stability. Moreover, the collection and recycle of these immobilized CeO2/ZnO nanotube array films are much easier compared with the powder photocatalysts.

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