罗丹明B
光催化
降级(电信)
可见光谱
催化作用
材料科学
层状结构
异质结
光化学
化学工程
降水
混合材料
复合数
纳米技术
化学
复合材料
光电子学
有机化学
物理
工程类
气象学
电信
计算机科学
作者
Liang Tang,Zhong-qian Lv,Yuan-cheng Xue,Longya Xu,Yan Zheng,Kewei Chen,Wenqian Chen,Minghong Wu
标识
DOI:10.1016/j.cej.2019.06.019
摘要
In this work, a series of BiOBr/MIL-53(Fe) hybrid photocatalysts have prepared by a facile co-precipitation method. Rhodamine B (RhB) and carbamazepine (CBZ) were selected as the targets to evaluate the visible-light photocatalytic activity of the prepared samples. All of the hybrids exhibited better catalytic performance compared to the pristine BiOBr, and the performance of BiOBr/MIL-53 (with 20 wt% of MIL-53) was the most efficient. The excellent performance can be contributed to the incorporation of MIL-53(Fe) which not only form the heterojunction with BiOBr to inhibit the recombination of the photoinduced electron-hole pairs, but also utilize the visible light more effectively. The photocatalytic mechanism was studied, it shows that OH and h+ were both the main active species for the degradation of contaminants. Moreover, the degradation pathways of CBZ via the photocatalysis over BiOBr/MIL-53(Fe) hybrid were presented based on the determination of LC–MS/MS and the results of catalytic mechanisms. With the recent increase in reported MOFs materials, we believe a new class of hybrid catalytic materials is possible. This result is conceptually interesting as it opens the door to various MOF-based BiOBr materials for environmental purification and restoration.
科研通智能强力驱动
Strongly Powered by AbleSci AI