期刊
CERAMICS INTERNATIONAL
卷 45, 期 14, 页码 17847-17858出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2019.05.356
关键词
Yb-2(MoO4)(3)/YbMoO4; Yb-2(MoO4)(3)/YbMoO4/ graphene oxide; Yb-2(MoO4)(3)/YbMoO4/C3N4; Nanocomposites; Hydrothermal method; Photocatalytic
资金
- council of Kashan University of Medical Sciences
Here in, we report synthesis of novel hybrid photocatalyst by assembling graphene oxide (GO) and carbon nitride over Yb-2(MoO4)(3)/YbMoO4 nanocomposite in order to investigate degradation of rhodamine B, methylene blue, and methyl orange. In addition, different capping agents (e.g. PEG, PVP, SDS, CTAB and Triton X-100) were utilized to investigate their impact on the morphology and particle size of the Yb-2(MoO4)(3)/YbMoO4 nanocomposite. On the top of that, different parameters such as various mass ratio of precursors (GO, C3N4, Yb-2(MoO4)(3)/YbMoO4), pH value, photocatalyst concentration were altered to investigate their impact on the degradation efficiency. Degradation results reveal that Yb-2(MoO4)(3)/YbMoO4/GO and Yb-2(MoO4)(3)/YbMoO4/C3N4 exhibits higher photocatalytic activity in comparison with pure Yb-2(MoO4)(3)/YbMoO4. The crystalline phases, structure, morphology, and optical properties were characterized by a couple of techniques including X-ray diffraction, scanning electron microscopy, diffuse reflectance spectroscopy, and energy dispersive X-ray microanalysis. According to the BET results, Yb-2(MoO4)(3)/YbMoO4/GO has specific surface area 1.5 times higher than pure Yb-2(MoO4)(3)/YbMoO4.
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