期刊
APPLIED SURFACE SCIENCE
卷 364, 期 -, 页码 694-702出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2015.12.236
关键词
g-C3N4 nanosheets; MoS2 nanosheets; 2D heterojunction; Photocatalysis
类别
资金
- National Natural Science Foundation of China [21476183, 21306150, 51372201, 21176199]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20136101110009]
- Natural Science Foundation of Shaanxi Province, China [2015JM5159]
- Scientific Research Foundation of Northwest University [12NW19]
- Scientific Research Staring Foundation of Northwest University [PR12216]
g-C3N4 nanosheets coupled with MoS2 nanosheets as 2D heteroconjuction were prepared via a facile impregnation and calcination method. The structure characterization clearly indicated that MoS2 nanosheets were successfully horizontal loaded on g-C3N4 nanosheets. The investigation indicated that the formation of 2D heterojunction between the g-C3N4 nanosheets and MoS2 nanosheets promoted the charge transfer and enhanced separation efficiency of photoinduced electron -hole pairs. Furthermore, the measurement of photocatalytic activity for the degradation of rhodamine B and methyl orange revealed that the as -prepared 2D MoS2/ g-C3N4 heterojunction exhibited the significantly enhanced photocatalytic activity and considerable stability under visible light irradiation. The 2D MoS2/ g-C3N4 heterojunction prepared with 3 wt% of MoS2 exhibited the optimal photodegradable efficiency. The present work shows that the formation of 2D heterojunction should be a good strategy to design efficient photocatalysts. 2016 Elsevier B.V. All rights reserved.
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