Journal of Inorganic Materials, Volume. 35, Issue 12, 1340(2020)

Photocatalytic Reduction of Re (VII) on Amorphous TiO2/g-C3N4 Derived from Different N Sources

Xucong WANG1...2,3, Hao DENG3, Zhongyi JIANG1,2,* and Liyong YUAN3,* |Show fewer author(s)
Author Affiliations
  • 1Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
  • 2Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
  • 3Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
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    Figures & Tables(12)
    XRD patterns of M-CN, T-CN, U-CN, M-TCN, T-TCN and U-TCN samples
    FT-IR spectra of (a) M-CN, T-CN and U-CN samples, and (b) M-TCN, T-TCN and U-TCN samples
    SEM images of (a) U-CN, (b) U-TCN, (c) T-CN, (d) T-TCN, (e) M-CN and (f) M-TCN
    (a) N2 adsorption-desorption isotherms and (b) corresponding pore size distribution curves of M-TCN, T-TCN and U-TCN samples
    UV-Vis spectra of (a) M-CN, T-CN and U-CN samples and (b) M-TCN, T-TCN and U-TCN samples
    PL spectra of M-TCN, T-TCN, U-TCN and Am-TiO2
    Photocatalytic reduction and removal of Re(VII) using (a) U-CN, T-CN, M-CN, Am-TiO2 and (b) U-TCN, T-TCN and M-TCN composites under UV-Vis irradiation; (c) Linear fitting of Langmuir-Hinshelwood equation; The photodegradation of RhB using 0.4 g•L-1 (d) U-TCN, (e) T-TCN and (f) M-TCN under UV-Vis irradiation
    (a) Transient photocurrent responses and (b) EIS curves of U-TCN, T-TCN and M-TCN composites under UV-Vis irradiation
    EPR spectra of U-TCN, T-TCN and M-TCN composites (a) in the dark and (b) under UV-visible light irradiation
    (a) Ti K-edge XANES analysis and (b) EXAFS analysis for the Am-TiO2, U-TCN and U-TCN/Re
    • Table 1. Kinetic parameters of photocatalytic reduction and removal of Re(VII) using TCN composites

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      Table 1. Kinetic parameters of photocatalytic reduction and removal of Re(VII) using TCN composites

      SampleRe(VII) removedk/min-1R2
      U-TCN90%0.07880.9524
      T-TCN20%0.00630.9861
      M-TCN15%0.00210.7954
    • Table 2. Fitting parameters from the analysis of EXAFS data

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      Table 2. Fitting parameters from the analysis of EXAFS data

      SampleBondNaR/nmbσ2/nm2 cR-factord
      Am-TiO2Ti-O1.20.198(3)3×10-6
      Ti-O1.20.183(2)00.001
      Ti-Ti1.00.306(2)6.5×10-5
      U-TCNTi-O1.50.192(2)2×10-5
      Ti-O1.00.184(3)00.017
      Ti-Ti1.70.312(2)8.9×10-5
      U-TCN/ReTi-O1.20.203(3)1.0×10-5
      Ti-O1.20.188(2)3×10-60.017
      Ti-Ti1.60.314(2)9.8×10-5
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    Xucong WANG, Hao DENG, Zhongyi JIANG, Liyong YUAN. Photocatalytic Reduction of Re (VII) on Amorphous TiO2/g-C3N4 Derived from Different N Sources[J]. Journal of Inorganic Materials, 2020, 35(12): 1340

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    Paper Information

    Category: RESEARCH PAPER

    Received: Mar. 16, 2020

    Accepted: --

    Published Online: Mar. 10, 2021

    The Author Email: JIANG Zhongyi (zhyjiang@tju.edu.cn), YUAN Liyong (yuanly@ihep.ac.cn)

    DOI:10.15541/jim20200133

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