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Facile Fabrication of C-Modified Bi2WO6 Photocatalysts with Enhanced Tetracycline Degradation Under Visible Light
Nano ( IF 1.0 ) Pub Date : 2020-11-20 , DOI: 10.1142/s1793292021500107
Yang Yu 1 , Yanju Huang 1 , Xiumei Li 1
Affiliation  

In order to realize the rational utilization of wastewater treatment, an efficient and conductive 3D hierarchical flowers globose nanostructure of Bi2WO6/C is explored from the withered peach blossom for removing the contaminants. As a consequence, Bi2WO6/C shows a better degradation efficiency for tetracycline (TC) than Bi2WO6 (49%) under visible light, when the mass ratio of Bi2WO6 to C is 6:1. Additionally, photoelectrochemical measurements proved that the separation efficiency of electron–hole pairs of Bi2WO6 is enhanced by the introduction of biomass carbon, due to its good electron transmission ability. Moreover, the mechanism exploration experiment showed that [Formula: see text] was the main activity species. Meanwhile, the photocatalytic electron transfer mechanism was also investigated. The favorable photocatalytic performances make the waste biomass carbon act as a new resource for being applied to antibiotic wastewater treatment.

中文翻译:

可见光下增强四环素降解的 C 修饰 Bi2WO6 光催化剂的简便制备

为了实现废水处理的合理利用,一种高效导电的 3D 分层花球状 Bi 纳米结构2WO6/C是从枯萎的桃花中探索去除污染物的。结果,毕2WO6/C 对四环素 (TC) 的降解效率高于 Bi2WO6(49%) 在可见光下,当 Bi 的质量比2WO6与 C 的比为 6:1。此外,光电化学测量证明了 Bi 的电子-空穴对的分离效率2WO6由于其良好的电子传输能力,通过引入生物质碳来增强。此外,机理探索实验表明,[公式:见正文]是主要活性种。同时,还研究了光催化电子转移机理。良好的光催化性能使废弃生物质碳成为应用于抗生素废水处理的新资源。
更新日期:2020-11-20
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