Preparation and Photocatalytic Properties of Metal-Doped ZnO Nanofilms Grown on Graphene-Coated Flexible Substrates
A series of metal element (Al, Fe, Mg and Ni)-doped ZnO (M-ZnO) photocatalysts have been successfully synthesized on graphene-coated polyethylene terephthalate (GPET) flexible substrate via the hydrothermal method. The effects of doped metals in ZnO were also studied on the crystal structure, morpho...
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2020-08-01
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| author | Ping Rong Shuai Ren Jianchao Jiang Qi Yu Liyun Jiang Yonghong Zhang |
| author_facet | Ping Rong Shuai Ren Jianchao Jiang Qi Yu Liyun Jiang Yonghong Zhang |
| author_sort | Ping Rong |
| collection | DOAJ |
| description | A series of metal element (Al, Fe, Mg and Ni)-doped ZnO (M-ZnO) photocatalysts have been successfully synthesized on graphene-coated polyethylene terephthalate (GPET) flexible substrate via the hydrothermal method. The effects of doped metals in ZnO were also studied on the crystal structure, morphology and photocatalytic performance. The photocatalytic experiment results indicated that, compared with Al-, Mg- and Fe-ZnO/GPET photocatalysts under ultraviolet (UV) light irradiation, Ni-ZnO/GPET had better photocatalytic activity, and the degradation rate of methylene blue (MB) was 81.17%. Meanwhile, the mechanism of enhancing the photocatalytic activity of metal element-doped ZnO is also discussed. It is concluded that, after doping with metal elements, electrons and holes are prevented from recombination by trapping electrons of the ZnO/GPET conductive band, thereby improving the photocatalytic activity. |
| first_indexed | 2024-03-10T17:27:13Z |
| format | Article |
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| issn | 1996-1944 |
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| last_indexed | 2024-03-10T17:27:13Z |
| publishDate | 2020-08-01 |
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| spelling | doaj.art-2d10aa3bd015414fac2d499bbefc0aa62023-11-20T10:07:26ZengMDPI AGMaterials1996-19442020-08-011316358910.3390/ma13163589Preparation and Photocatalytic Properties of Metal-Doped ZnO Nanofilms Grown on Graphene-Coated Flexible SubstratesPing Rong0Shuai Ren1Jianchao Jiang2Qi Yu3Liyun Jiang4Yonghong Zhang5School of Materials Science and Engineering, Institute of Graphene at Shaanxi Key Laboratory of Catalysis, Shaanxi University of Technology, Hanzhong 723001, ChinaSchool of Materials Science and Engineering, Institute of Graphene at Shaanxi Key Laboratory of Catalysis, Shaanxi University of Technology, Hanzhong 723001, ChinaSchool of Materials Science and Engineering, Institute of Graphene at Shaanxi Key Laboratory of Catalysis, Shaanxi University of Technology, Hanzhong 723001, ChinaSchool of Materials Science and Engineering, Institute of Graphene at Shaanxi Key Laboratory of Catalysis, Shaanxi University of Technology, Hanzhong 723001, ChinaSchool of Physics and Telecommunication Engineering, Shaanxi University of Technology, Hanzhong 723001, ChinaSchool of Materials Science and Engineering, Institute of Graphene at Shaanxi Key Laboratory of Catalysis, Shaanxi University of Technology, Hanzhong 723001, ChinaA series of metal element (Al, Fe, Mg and Ni)-doped ZnO (M-ZnO) photocatalysts have been successfully synthesized on graphene-coated polyethylene terephthalate (GPET) flexible substrate via the hydrothermal method. The effects of doped metals in ZnO were also studied on the crystal structure, morphology and photocatalytic performance. The photocatalytic experiment results indicated that, compared with Al-, Mg- and Fe-ZnO/GPET photocatalysts under ultraviolet (UV) light irradiation, Ni-ZnO/GPET had better photocatalytic activity, and the degradation rate of methylene blue (MB) was 81.17%. Meanwhile, the mechanism of enhancing the photocatalytic activity of metal element-doped ZnO is also discussed. It is concluded that, after doping with metal elements, electrons and holes are prevented from recombination by trapping electrons of the ZnO/GPET conductive band, thereby improving the photocatalytic activity.https://www.mdpi.com/1996-1944/13/16/3589ZnOphotocatalyticdopedgraphenenanofilms |
| spellingShingle | Ping Rong Shuai Ren Jianchao Jiang Qi Yu Liyun Jiang Yonghong Zhang Preparation and Photocatalytic Properties of Metal-Doped ZnO Nanofilms Grown on Graphene-Coated Flexible Substrates Materials ZnO photocatalytic doped graphene nanofilms |
| title | Preparation and Photocatalytic Properties of Metal-Doped ZnO Nanofilms Grown on Graphene-Coated Flexible Substrates |
| title_full | Preparation and Photocatalytic Properties of Metal-Doped ZnO Nanofilms Grown on Graphene-Coated Flexible Substrates |
| title_fullStr | Preparation and Photocatalytic Properties of Metal-Doped ZnO Nanofilms Grown on Graphene-Coated Flexible Substrates |
| title_full_unstemmed | Preparation and Photocatalytic Properties of Metal-Doped ZnO Nanofilms Grown on Graphene-Coated Flexible Substrates |
| title_short | Preparation and Photocatalytic Properties of Metal-Doped ZnO Nanofilms Grown on Graphene-Coated Flexible Substrates |
| title_sort | preparation and photocatalytic properties of metal doped zno nanofilms grown on graphene coated flexible substrates |
| topic | ZnO photocatalytic doped graphene nanofilms |
| url | https://www.mdpi.com/1996-1944/13/16/3589 |
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