多孔BiVO4的制备及其在模拟日光下光催化降解MB的研究

Xiufang Zhang, Lulu Du, Xiaoli Dong, X. X. Zhang, Chun Ma, Hongchao Ma, M. Xue, Fei Shi
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引用次数: 0

摘要

以P123为模板,采用水热法制备了多孔BiVO4。扫描电镜显示多孔BiVO4中存在许多孔隙。DRS分析表明,通过构建多孔结构可以增强BiVO4的吸光度。去除MB的结果表明,多孔BiVO4的降解率是多孔BiVO4的3.05倍。光催化性能的增强是由于吸收能力的增强和表面反应的促进。
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Preparation of Porous BiVO4 and its Photocatalytic Degradation of MB under Simulated Sunlight
Porous BiVO4 was fabricated by hydrothermal method with P123 as the template. SEM revealed there were many pores in porous BiVO4. DRS analysis indicated that the absorbance of BiVO4 was enhanced by constructing porous structure. The results of MB removal showed that the degradation rate with porous BiVO4 was 3.05 times as much as that with BiVO4. The enhanced photocatalytic performance was attributed to the enhanced absorbance ability and promoted surface reactions.
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