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|Title:||Enhanced photoelectrocatalytic activity of BiOI nanoplate-zinc oxide nanorod p-n heterojunction|
|Citation:||Chemistry - A European Journal, 2015; 21(43):15360-15368|
|Kuang, Pan‐Yong ; Ran, Jing‐Run ; Liu, Zhao‐Qing ; Wang, Hong‐Juan ; Li, Nan ; Su, Yu‐Zhi ; Jin, Yong‐Gang ; Qiao, and Shi‐Zhang|
|Abstract:||The development of highly efficient and robust photocatalysts has attracted great attention for solving the global energy crisis and environmental problems. Herein, we describe the synthesis of a p, n heterostructured photocatalyst, consisting of ZnO nanorod arrays, NRAs, decorated with BiOI nanoplates, NPs, by a facile solvothermal method. The product thus obtained shows high photoelectrochemical water splitting performance and enhanced photoelectrocatalytic activity for pollutant degradation under visible light irradiation. The p-type BiOI NPs, with a narrow band gap, not only act as a sensitizer to absorb visible light and promote electron transfer to the n-type ZnO NRAs, but also increase the contact area with organic pollutants. Meanwhile, ZnO NRAs provide a fast electron-transfer channel, thus resulting in efficient separation of photoinduced electron, hole pairs. Such a p, n heterojunction nanocomposite could serve as a novel and promising catalyst in energy and environmental applications.|
|Keywords:||electron transport; nanostructures; photoelectrochemical performance; p-n heterojunction; solvothermal methods|
|Rights:||© 2015 Wiley-VCH Verlag GmBH & Co. KGaA. Weinheim|
|Appears in Collections:||Chemical Engineering publications|
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