| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 7990157 | Journal of Alloys and Compounds | 2018 | 8 Pages |
Abstract
Constructing heterojunction is one of the methods for improving the photocatalytic activity by restraining the electron-hole recombination. In this work, a simple cation-exchange approach was employed to grow amorphous MoSx (a-MoSx) on PbS surface to fabricate PbS/a-MoSx heterojunction for the first time. The formation of a-MoSx has been confirmed by XRD, Raman, TEM, EDS and XPS analysis. PbS/a-MoSx composites showed improved light harvesting ability compared with pristine PbS. The optimized composite exhibited greatly enhanced photocatalytic activity using methylene blue as the target of elimination, and displayed a photocurrent about 9 times higher than pristine PbS due to the efficient separation of photogenerated electron-hole pairs.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Metals and Alloys
Authors
Ming Li, Xiandong Wang, Haoran Ruan, Qingyan Zhang, Zhenjun Wu, Yongping Liu, Zhenhuan Lu, Jiefeng Hai,