Abstract

Novel zinc oxide thin films with nano-screw superstructure were prepared via a soft solution route without any polymer additives. A ZnO thin film could be produced directly on the substrates. The ZnO thin film with nano-screw superstructure was prepared using visible-light-induced nitrogen-doped titania nano-particles. The ZnO nano-screw/TiO2−xNy composite film showed excellent photocatalytic deNOx ability and quantum efficient.

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