| Issue |
MATEC Web Conf.
Volume 238, 2018
International Conference on Novel Functional Materials (ICNFM2018)
|
|
|---|---|---|
| Article Number | 03008 | |
| Number of page(s) | 5 | |
| Section | Catalytic and Ultrafine Materials | |
| DOI | https://doi.org/10.1051/matecconf/201823803008 | |
| Published online | 26 November 2018 | |
Fabrication of Co3+ and B co-doping BiVO4 with improved photocatalytic performance for organic degradation
School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110189, China
a Min Wang:wangmin@me.neu.edu.cn
Co3+ and B co-doping BiVO4 photocatalysts were successfully prepared for organic pollutants degradation through sol-gel and impregnation two-step process. Their structure, surface chemical composition, and optical absorption were characterized. All as-prepared samples consisted of the monoclinic phase. It was found that the Co dopants was existed in the form of CO3O4 in B-BiVO4, thus a p-n heterojunction formed in BiVO4. The optical absorption results reveal that Co3O4 could greatly enhance the absorption and decrease in the band-gap energy of BiVO4. The 0.5% Co3+ doping B-BiVO4 sample exhited the highest photocatalytic activity for methyl orange photocatalytic degradation, being approximately 92% of MO degradation rate under 50 min visible light irradiation.
© The Authors, published by EDP Sciences, 2018
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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