Facile Synthesis of Carbon Dots@2D MoS2 Heterostructure with Enhanced Photocatalytic Properties
- Ning Li*Ning Li*E-mail: [email protected]School of Energy and Power Engineering & School of Material Science and Engineering, North University of China, Taiyuan 030051, P. R. ChinaState Key Lab of Solidification Processing, Northwestern Polytechnical University, Xi’an 710072, P. R. ChinaMore by Ning Li
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- Zhengtang LiuZhengtang LiuState Key Lab of Solidification Processing, Northwestern Polytechnical University, Xi’an 710072, P. R. ChinaMore by Zhengtang Liu
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- Ming LiuMing LiuSchool of Energy and Power Engineering & School of Material Science and Engineering, North University of China, Taiyuan 030051, P. R. ChinaMore by Ming Liu
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- Chaorui XueChaorui XueSchool of Energy and Power Engineering & School of Material Science and Engineering, North University of China, Taiyuan 030051, P. R. ChinaMore by Chaorui Xue
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- Qing Chang*Qing Chang*E-mail: [email protected]School of Energy and Power Engineering & School of Material Science and Engineering, North University of China, Taiyuan 030051, P. R. ChinaMore by Qing Chang
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- Huiqi WangHuiqi WangSchool of Energy and Power Engineering & School of Material Science and Engineering, North University of China, Taiyuan 030051, P. R. ChinaMore by Huiqi Wang
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- Ying LiYing LiSchool of Energy and Power Engineering & School of Material Science and Engineering, North University of China, Taiyuan 030051, P. R. ChinaCAS Key Laboratory of Carbon Materials, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, P. R. ChinaMore by Ying Li
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- Zhenchao SongZhenchao SongSchool of Energy and Power Engineering & School of Material Science and Engineering, North University of China, Taiyuan 030051, P. R. ChinaMore by Zhenchao Song
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- Shengliang Hu*Shengliang Hu*E-mail: [email protected]School of Energy and Power Engineering & School of Material Science and Engineering, North University of China, Taiyuan 030051, P. R. ChinaMore by Shengliang Hu
Abstract
To better utilize carbon dots (CDs) as efficient photocatalysts, an excellent strategy of constructing CDs@MoS2 heterostructure is presented. Here a facile sonication–hydrothermal method is utilized to synthesize CDs@MoS2. Such heterostructure regulates the energy level configuration, and visible light absorption and the separation and transfer of photogenerated charges are enhanced remarkably, which is propitious for the production of more photoinduced charges and improvement of the heterogeneous photocatalytic activity. Meanwhile, the photocatalytic performance of CDs@MoS2 was obviously improved in methylene blue degradation. On the basis of a series of contrast experiments, the possible mechanism of the photocatalytic reaction is proposed. Therefore, this work offers a facile route for the design of a zero-dimensional/two-dimensional heterojunction for the adjustment of the energy level structure and the improvement in photocatalytic performance.
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