期刊
CELLULOSE
卷 26, 期 18, 页码 9529-9541出版社
SPRINGER
DOI: 10.1007/s10570-019-02722-4
关键词
BiOBr; Flower-like; Microcrystalline cellulose; Organic-inorganic hybrid photocatalysts; Visible light photocatalytic activity
资金
- open project Program of Fujian Key Laboratory of Novel Functional Textile Fibers and Materials (Minjiang University) [FKLTFM1708]
- Fujian Engineering Research Center of New Chinese lacquer Material (Minjiang University) [323030010301]
- Fujian Agriculture and Forestry University [KXB16001A]
- Department of Science and Technology of Fujian Province [2017H6003]
To enhance the visible light photocatalytic activity for the degradation of organic pollutants, this study focused on the synthesis of flower-like BiOBr/microcrystalline cellulose inorganic-organic hybrid photocatalysts by one-step facile method at room temperature and used microcrystalline cellulose as template and support. Findings reveal that the band gap energy (E-g), the valance band (E-VB) and conduction band (E-CB) edge potential of the hybrid photocatalysts are 2.71 eV, 3.00 eV and 0.29 eV, respectively. Also, the synthesized catalyst degraded Rhodamine B (RhB) solution under visible light and the active species was found to be mainly photogenerated holes. Moreover, the photocurrent density of the synthesized hybrid photocatalyst is higher than the pure BiOBr under visible light. The average pore diameter of the resulting hybrid photocatalyst stood at 43.72 nm. Overall, a novel flower-like hybrid photocatalyst has been synthesized and it has exhibited an effective activity in RhB dye degradation with the multiple reflections under visible light. [GRAPHICS] .
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