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A facile ball milling method for fabricating g-C3N4/MoS2 nanosheets heterojunction and its visible light photocatalytic performances
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School of Materials Science and Engineering,Chang’an University,Xi’an,School of Materials Science and Engineering,Chang’an University,Xi’an,School of Materials Science and Engineering,Chang’an University,Xi’an,School of Materials Science and Engineering,Chang’an University,Xi’an,School of Materials Science and Engineering,Chang’an University,Xi’an,School of Materials Science and Engineering,Chang’an University,Xi’an,School of Materials Science and Engineering,Chang’an University,Xi’an,School of Materials Science and Engineering,Chang’an University,Xi’an,School of Materials Science and Engineering,Chang’an University,Xi’an

Fund Project:

Natural Science Basis Research Plan in Shaanxi Province of China (2015JM2070), National Natural Science Foundation of China (51402024) and Fundamental Research Funds for the Central Universities ((300102318402).

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    Abstract:

    The g-C3N4/MoS2 nanosheets were prepared via a facile ball milling method. The composite photocatalysts were characterized by X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), UV–vis diffuse reflectance spectroscopy (DRS) and photoluminescence (PL) spectroscopy. The results indicated that MoS2 nanosheets were successfully coupled into the g- C3N4 to form C3N4/ MoS2 heterojunction. The photocatalytic activities were evaluated by degradation of organic Rhodamine B (RhB) under visible light irradiation. The kinetic constant of RhB degradation with g-C3N4/MoS2 nanosheets-2 wt % heterojunction (0.0368 min?1) is about 4.3 as high as that of the bulk g-C3N4 (0.00840 min?1). The enhanced photocatalytic activities can be mainly ascribed to the efficient separation and transportation of photo-induced electron-hole pairs. The possible photocatalytic mechanism of composites was proposed according to the light trapping experiment.

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[Yan Xin, Gao Qiang, Hui Xiaoyan, Yan Congxiang, AiTao, WangZhenjun, Sun Guodong, Su Xinghua, Zhao Peng. A facile ball milling method for fabricating g-C3N4/MoS2 nanosheets heterojunction and its visible light photocatalytic performances[J]. Rare Metal Materials and Engineering,2018,47(10):3015~3020.]
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History
  • Received:March 17,2017
  • Revised:August 15,2018
  • Adopted:April 13,2017
  • Online: November 08,2018

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