Photocatalytic activity of ZnO films with micro-grid
structure

doi:10.1007/s11783-009-0034-3

Front.Environ.Sci.Eng.

2009, Vol. 3

Issue (3) : 289-293 https://doi.org/10.1007/s11783-009-0034-3

Research articles

Photocatalytic activity of ZnO films with micro-grid structure

Chunzhi LI , Wenwen WANG , Junying ZHANG , Hailing ZHU , Weiwei ZHANG , Tianmin WANG ,

School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China;

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Abstract A layer of zinc oxide (ZnO) micro-grid was deposited on the surface of ZnO film using the DC reactive magnetron sputtering method and the micro-sphere lithography technique on glass substrates. Samples of this layer were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), and ultraviolet-visible light spectroscopy. X-ray diffraction showed the high crystallinity of ZnO film and the regular arrangement of the micro-grid. The micro-grid ZnO has a lower specular reflection and a higher diffuse reflection, allowing incident light to reflect two or three times to enhance the usage of light. Photocatalytic degradation experiments on methylene blue using both ZnO micro-grid and ordinary film showed that the ZnO micro-grid has better photocatalytic properties than ordinary film. The ZnO micro-grid enhanced the photocatalytic efficiency of ZnO film by 28% with a degradation time of 300min.

Keywords Photocatalysis ZnO micro-grid polystyrene latex spheres template diffuse reflection

Issue Date: 05 September 2009

Cite this article:

Chunzhi LI,Weiwei ZHANG,Wenwen WANG, et al. Photocatalytic activity of ZnO films with micro-grid structure[J]. Front.Environ.Sci.Eng., 2009, 3(3): 289-293.

URL:

https://academic.hep.com.cn/fese/EN/10.1007/s11783-009-0034-3
https://academic.hep.com.cn/fese/EN/Y2009/V3/I3/289

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