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Citation: Zhong-Qin LI, Xiao-Wei CHEN, Yan WANG, Ting CHENG, Yi HUANG, Peng-Yu DONG, Wu-You WANG, Bei-Bei ZHANG, Xin-Guo XI. Preparation of CeTiO4/g-C3N4 Composite with Efficient Photocatalytic Activity for Dye-Degradation[J]. Chinese Journal of Inorganic Chemistry, ;2022, 38(1): 53-62. doi: 10.11862/CJIC.2022.009 shu

Preparation of CeTiO4/g-C3N4 Composite with Efficient Photocatalytic Activity for Dye-Degradation

  • 1.

    School of Mechanical Engineering, Yancheng Institute of Technology, Yancheng, Jiangsu 224051, China

  • 2.

    School of Materials Science and Engineering, Yancheng Institute of Technology, Yancheng, Jiangsu 224051, China

  • 3.

    School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng, Jiangsu 224051, China

  • 4.

    School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China

  • 5.

    Key Laboratory for Advanced Technology in Environmental Protection of Jiangsu Province, Yancheng Institute of Technology, Yancheng, Jiangsu 224051, China

Figures(10)

  • The composite of CeTiO4/g-C3N4-x (CTO/CN-x, x g was the addition amount of g-C3N4) was successfully prepared via a simple solid method synthesis. The as-synthesized catalysts were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM), N2 adsorption-desorption test, X -ray photoelectron spectroscopy (XPS), UV -Vis diffuse reflectance spectra (UV -Vis DRS), and electrochemical test. It was found that CTO and CN layered nanoplates were closely combined to form heterostructure. CTO/CN-x composite photocatalyst exhibited outstanding visible light response, and it could improve the separation and mobility of photogenerated hole-electron pair. The photocatalytic activity of composite material was assessed by degradation of rhodamine B under simulated sunlight for 140 min. Compared to pure CTO and CN, CTO/CN-x composite showed the enhancement of photocatalytic activity, and the optimum reaction rate constant was 0.020 2 min-1 for CTO/CN-6 (The addition amount of g-C3N4 was 6 g). The enhanced photocatalytic performance was mainly ascribed to the structure of heterostructure, which could reduce the recombination of CTO photocarriers and improve the transfer of photocarriers.
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