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- Title
Fabrication of ultrathin-MoS<sub>2</sub>/Ag/AgBr composite with enhanced photocatalytic activity.
- Authors
Zhang, Fengyuan; Yin, Yue; Li, Feng; Jiang, Dongmei; Wang, Jie; Zhan, Qingfeng
- Abstract
The MoS2/Ag/AgBr composite with ultrathin-MoS2 layers was prepared by the methods of ultrasonic liquid exfoliation and ion exchange. The composition and micromorphology of ultrathin-MoS2/Ag/AgBr were detected by XRD, EDS, SEM and TEM in detail. The element mapping showed that the samples were well-distributed. The MoS2 in samples and the number of plies were detected by Raman spectra specifically. The results indicated that the photocatalytic performance of the as-prepared samples would increase by 50% when the average thickness of MoS2 was about 4 nm. The enhanced photocatalytic performance of ultrathin-MoS2/Ag/AgBr composite is attributed to the modified conduction band of MoS2 by reducing the layers of MoS2 to fit the potential of O2/O2·−. In particular, this work would expand the scope of application of MoS2 in photodegradation.
- Subjects
HYDROGEN evolution reactions; CONDUCTION bands; RAMAN spectroscopy; PHOTODEGRADATION
- Publication
Journal of Materials Science, 2020, Vol 55, Issue 5, p2166
- ISSN
0022-2461
- Publication type
Article
- DOI
10.1007/s10853-019-04089-0