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Synergistic effect of adsorption and photocatalysis of BiOBr/lignin-biochar composites with oxygen vacancies under visible light irradiation by Qiang Yang; Xiang Li; Qingwen Tian; Aixiang Pan; Xingjian Liu; Hang Yin; Yingqiao Shi; Guigan Fang is a Engineering article available to read on EtoBox.
What is Synergistic effect of adsorption and photocatalysis of BiOBr/lignin-biochar composites with oxygen vacancies under visible light irradiation about?
Effective utilization solar energy through photocatalysis is an ideal way to solve environmental problems and achieve sustainable development. Herein, a novel BiOBr/Lignin-Biochar photocatalyst has been successfully synthesized by a simple hydrothermal method. The number of oxygen vacancies of BiOBr increased after C doping, which improves visible-light absorbance, reduces the recombination of photo-generated carriers and promotes O2 activation to produce O2 −. UV–vis DRS result demonstrated that the visible-light absorption capacity of BiOBr improved significantly with the addition of lignin. Compared with BiOBr, the adsorption and photocatalytic ability of BiOBr/Lignin-Biochar composites were greatly enhanced due to enriched oxygen vacancies and the congenerous effect between BiOBr and lignin-biochar. The RhB removal with pure BiOBr and BiOBr/Lignin-Biochar under visible-light irradiation at 60 min was 54.5% and 99.2%, respectively, owing to the interface interaction between BiOBr and lignin-biochar promoted the separation between electron and holes and the enrichment of RhB around the photocatalysts. Notably, the bandgap of BiOBr/Lignin-Biochar composites decreased from 2.65 eV
Who reads Synergistic effect of adsorption and photocatalysis of BiOBr/lignin-biochar composites with oxygen vacancies under visible light irradiation?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Qiang Yang; Xiang Li; Qingwen Tian; Aixiang Pan; Xingjian Liu; Hang Yin; Yingqiao Shi; Guigan Fang
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Engineering (Physical Sciences)