Effects of Al doping on defect behaviors of ZnO thin film as a photocatalyst
Yu, Fucheng; Hu, Hailong; Wang, Bolong; Li, Haishan; Song, Tianyun; Xu, Boyu; He, Ling; Wang, Shu; Duan, Hongyan
2019-09
Source PublicationMATERIALS SCIENCE-POLAND
ISSN2083-134X
Volume37Issue:3Pages:437-445
AbstractAl doped ZnO (AZO) thin films were prepared on silica substrates by sol-gel method. The films showed a hexagonal wurtzite structure with a preferred orientation along c-axis. Suitable Al doping dramatically improved the crystal quality compared to the undoped ZnO films. Dependent on the Al dopant concentration, the diffraction peak of (0 0 2) plane in XRD spectra showed at first right-shifting and then left-shifting, which was attributed to the change in defect concentration induced by the Al dopant. Photocatalytic properties of the AZO film were characterized by degradation of methyl orange (MO) under simulated solar light. The transmittance of the films was enhanced by the Al doping, and the maximum transmittance of 80 % in the visible region was observed in the sample with Al concentration of 1.5 at.% (mole fraction). The film with 1.5 at.% Al doping achieved also maximum photocatalytic activity of 68.6 % under solar light. The changes in the film parameters can be attributed to the variation in defect concentration induced by different Al doping content.
Keywordsol-gel ZnO thin film Al doping photocatalyst
DOI10.2478/msp-2019-0050
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51665028] ; Natural Science Foundation of Gansu Province, China[1506RJZA107]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000491310500018
PublisherSCIENDO
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/64233
Collection材料科学与工程学院
机电工程学院
Corresponding AuthorYu, Fucheng
AffiliationLanzhou Univ Technol, Sch Mat Sci & Engn, Sch Mech & Elect Engn, Lanzhou 730050, Gansu, Peoples R China
First Author AffilicationColl Mat Sci & Engn
Corresponding Author AffilicationColl Mat Sci & Engn
First Signature AffilicationColl Mat Sci & Engn
Recommended Citation
GB/T 7714
Yu, Fucheng,Hu, Hailong,Wang, Bolong,et al. Effects of Al doping on defect behaviors of ZnO thin film as a photocatalyst[J]. MATERIALS SCIENCE-POLAND,2019,37(3):437-445.
APA Yu, Fucheng.,Hu, Hailong.,Wang, Bolong.,Li, Haishan.,Song, Tianyun.,...&Duan, Hongyan.(2019).Effects of Al doping on defect behaviors of ZnO thin film as a photocatalyst.MATERIALS SCIENCE-POLAND,37(3),437-445.
MLA Yu, Fucheng,et al."Effects of Al doping on defect behaviors of ZnO thin film as a photocatalyst".MATERIALS SCIENCE-POLAND 37.3(2019):437-445.
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