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Few-layers MoS2 sensitized Ag–TiO2 nanocomposite thin film for enhancing photocatalytic activity

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Abstract

The novel few-layers MoS2 sensitized Ag–TiO2 were prepared through hydrothermal method, photoreduction method and spin-coating method, respectively. The microstructure, surface morphology, chemical composition and ultraviolet–visible absorbance of the samples were investigated systematically. The results indicated that the Ag nanoparticles and few-layers MoS2 were deposited successfully on the surface of TiO2 NRAs. The visible photocatalytic activity was estimated by degradation of methylene blue solution. The results indicated that the photocatalytic properties of MoS2/Ag–TiO2 was larger than pure TiO2 NRAs and Ag–TiO2. The significantly increased photocatalytic properties was attributed to the stronger visible light capture capability and the enhanced electron–hole pairs separation.

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Acknowledgements

This work was supported by National Natural Science Foundation of China (Nos. 51701001, 51102072, 51472003, 51572002), Natural Science Foundation of Anhui Higher Education Institution of China (Nos. KJ2015ZD32, KJ2017A924, KJ2017A002), Doctor Scientific Research Fund of Anhui University (No. J01001927), Youth Core Teacher Fund of Anhui University (No. J01005111) and Foundation of Co-operative Innovation Research Center for Weak Signal-Detecting Materials and Devices Integration Anhui University (Nos. Y01008411, WRXH201703).

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Authors and Affiliations

  1. School of Electronic and Information Engineering, Hefei Normal University, Hefei, 230601, China

    Jianguo Lv, Rui Miao, Min Zhao, Bo Yu, Wei Wang & Bi Li

  2. Co-operative Innovation Research Center for Weak Signal-Detecting Materials and Devices Integration, Anhui University, Hefei, 230601, China

    Jianguo Lv, Miao Zhang, Gang He & Min Zhao

  3. School of Physics and Material Science, Anhui University, Hefei, 230039, China

    Miao Zhang, Gang He & Zhaoqi Sun

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  1. Jianguo Lv
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  2. Rui Miao
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  5. Min Zhao
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Correspondence to Jianguo Lv or Miao Zhang.

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Lv, J., Miao, R., Zhang, M. et al. Few-layers MoS2 sensitized Ag–TiO2 nanocomposite thin film for enhancing photocatalytic activity. J Mater Sci: Mater Electron 29, 16282–16288 (2018). https://doi.org/10.1007/s10854-018-9717-5

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