2021
DOI: 10.1049/mna2.12088
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Au‐TiO 2 ‐ZnO sandwich‐structured composite films with enhanced ultraviolet‐light photocatalytic activity

Abstract: The rapid recombination of photogenerated electron-hole pairs is one of the main reasons for limiting the photocatalytic efficiency of semiconductor photocatalysts. This paper investigates and analyzes two methods to improve the separation and lifetimes of electronhole pairs: semiconductor heterojunction and metal electron sink. As a specific example, an Au-TiO 2 -ZnO composite film with a sandwich structure is prepared. The energy level gradient formed at the TiO 2 /ZnO heterojunction separates the electron-h… Show more

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Cited by 3 publications
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