UV-assisted photocatalytic synthesis of ZnO–reduced graphene oxide composites with enhanced photocatalytic activity in reduction of Cr(VI)
ZnO–reduced graphene oxide (RGO) composites are successfully synthesized via UV-assisted photocatalytic reduction of graphite oxide by ZnO nanoparticles in ethanol. Their morphology, structure and photocatalytic performance in reduction of Cr(VI) are characterized by scanning electron microscopy, tr...
| Main Authors: | , , , , , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2013
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| Online Access: | https://hdl.handle.net/10356/99494 http://hdl.handle.net/10220/12897 |
| _version_ | 1826124758449651712 |
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| author | Pan, Likun Zhao, Qingfei Lv, Tian Zhu, Guang Chen, Taiqiang Lu, Ting Liu, Xinjuan Sun, Zhuo Sun, Changqing |
| author2 | School of Electrical and Electronic Engineering |
| author_facet | School of Electrical and Electronic Engineering Pan, Likun Zhao, Qingfei Lv, Tian Zhu, Guang Chen, Taiqiang Lu, Ting Liu, Xinjuan Sun, Zhuo Sun, Changqing |
| author_sort | Pan, Likun |
| collection | NTU |
| description | ZnO–reduced graphene oxide (RGO) composites are successfully synthesized via UV-assisted photocatalytic reduction of graphite oxide by ZnO nanoparticles in ethanol. Their morphology, structure and photocatalytic performance in reduction of Cr(VI) are characterized by scanning electron microscopy, transmission electron microscopy, atomic force microscopy, X-ray diffraction spectroscopy, UV–vis absorption spectrophotometer, respectively. The results show that in the composites the RGO nanosheets are decorated densely by ZnO nanoparticles, which displays a good combination between RGO and ZnO. ZnO–RGO composites exhibit an enhanced photocatalytic performance in reduction of Cr(VI) with a maximum removal rate of 96% under UV light irradiation as compared with pure ZnO (67%) due to the increased light absorption intensity and range as well as the reduction of electron–hole pair recombination in ZnO with the introduction of RGO. |
| first_indexed | 2024-10-01T06:25:36Z |
| format | Journal Article |
| id | ntu-10356/99494 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T06:25:36Z |
| publishDate | 2013 |
| record_format | dspace |
| spelling | ntu-10356/994942020-03-07T14:00:29Z UV-assisted photocatalytic synthesis of ZnO–reduced graphene oxide composites with enhanced photocatalytic activity in reduction of Cr(VI) Pan, Likun Zhao, Qingfei Lv, Tian Zhu, Guang Chen, Taiqiang Lu, Ting Liu, Xinjuan Sun, Zhuo Sun, Changqing School of Electrical and Electronic Engineering DRNTU::Engineering::Electrical and electronic engineering ZnO–reduced graphene oxide (RGO) composites are successfully synthesized via UV-assisted photocatalytic reduction of graphite oxide by ZnO nanoparticles in ethanol. Their morphology, structure and photocatalytic performance in reduction of Cr(VI) are characterized by scanning electron microscopy, transmission electron microscopy, atomic force microscopy, X-ray diffraction spectroscopy, UV–vis absorption spectrophotometer, respectively. The results show that in the composites the RGO nanosheets are decorated densely by ZnO nanoparticles, which displays a good combination between RGO and ZnO. ZnO–RGO composites exhibit an enhanced photocatalytic performance in reduction of Cr(VI) with a maximum removal rate of 96% under UV light irradiation as compared with pure ZnO (67%) due to the increased light absorption intensity and range as well as the reduction of electron–hole pair recombination in ZnO with the introduction of RGO. 2013-08-02T05:59:58Z 2019-12-06T20:08:04Z 2013-08-02T05:59:58Z 2019-12-06T20:08:04Z 2011 2011 Journal Article Liu, X., Pan, L., Zhao, Q., Lv, T., Zhu, G., Chen, T., Lu, T., Sun, Z.,& Sun, C. (2012). UV-assisted photocatalytic synthesis of ZnO–reduced graphene oxide composites with enhanced photocatalytic activity in reduction of Cr(VI). Chemical Engineering Journal, 183, 238-243. 1385-8947 https://hdl.handle.net/10356/99494 http://hdl.handle.net/10220/12897 10.1016/j.cej.2011.12.068 en Chemical engineering journal |
| spellingShingle | DRNTU::Engineering::Electrical and electronic engineering Pan, Likun Zhao, Qingfei Lv, Tian Zhu, Guang Chen, Taiqiang Lu, Ting Liu, Xinjuan Sun, Zhuo Sun, Changqing UV-assisted photocatalytic synthesis of ZnO–reduced graphene oxide composites with enhanced photocatalytic activity in reduction of Cr(VI) |
| title | UV-assisted photocatalytic synthesis of ZnO–reduced graphene oxide composites with enhanced photocatalytic activity in reduction of Cr(VI) |
| title_full | UV-assisted photocatalytic synthesis of ZnO–reduced graphene oxide composites with enhanced photocatalytic activity in reduction of Cr(VI) |
| title_fullStr | UV-assisted photocatalytic synthesis of ZnO–reduced graphene oxide composites with enhanced photocatalytic activity in reduction of Cr(VI) |
| title_full_unstemmed | UV-assisted photocatalytic synthesis of ZnO–reduced graphene oxide composites with enhanced photocatalytic activity in reduction of Cr(VI) |
| title_short | UV-assisted photocatalytic synthesis of ZnO–reduced graphene oxide composites with enhanced photocatalytic activity in reduction of Cr(VI) |
| title_sort | uv assisted photocatalytic synthesis of zno reduced graphene oxide composites with enhanced photocatalytic activity in reduction of cr vi |
| topic | DRNTU::Engineering::Electrical and electronic engineering |
| url | https://hdl.handle.net/10356/99494 http://hdl.handle.net/10220/12897 |
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