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Journal of Inorganic Materials, Volume. 36, Issue 6, 665(2021)

CuS Nanosheet Decorated Bi5O7I Composite for the Enhanced Photocatalytic Reduction Activity of Aqueous Cr(VI)

Miao CAI... Zihang CHEN, Shi ZENG, Jianghui DU and Juan XIONG* |Show fewer author(s)
Author Affiliations
  • Hubei Key Laboratory of Ferro & Piezoelectric Materials and Devices, Faculty of Physics & Electronic Sciences, Hubei University, Wuhan 430062, China
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    XRD patterns of Bi5O7I, CuS, and CuS/Bi5O7I composites
    1. XRD patterns of Bi5O7I, CuS, and CuS/Bi5O7I composites

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    SEM images of (a) pure Bi5O7I, (b) CB-10, (c) CB-15 and (d) CB-20 composites
    2. SEM images of (a) pure Bi5O7I, (b) CB-10, (c) CB-15 and (d) CB-20 composites

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    (a) TEM and (b) HRTEM images of CB-15 composite
    3. (a) TEM and (b) HRTEM images of CB-15 composite

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    (a) XPS survey spectrum and high resolution XPS spectra of (b) Bi4f, (c) I3d, (d) O1s, (e) Cu2p, and (f) S2s of CB-15 composite
    4. (a) XPS survey spectrum and high resolution XPS spectra of (b) Bi4f, (c) I3d, (d) O1s, (e) Cu2p, and (f) S2s of CB-15 composite

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    (a) UV-Vis diffuse reflectance spectra of Bi5O7I, CuS and CuS/Bi5O7I composites, (b) plots of (αhv)1/2vs hv of Bi5O7I and CuS, CuS/Bi5O7I composites and (c) N2 adsorption and desorption isotherms for pure Bi5O7I and CB-15 composite
    5. (a) UV-Vis diffuse reflectance spectra of Bi5O7I, CuS and CuS/Bi5O7I composites, (b) plots of (αhv)1/2vs hv of Bi5O7I and CuS, CuS/Bi5O7I composites and (c) N2 adsorption and desorption isotherms for pure Bi5O7I and CB-15 composite

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    (a) PL spectra and (b) electrochemical impedance spectra of Bi5O7I and CB-15 composite
    6. (a) PL spectra and (b) electrochemical impedance spectra of Bi5O7I and CB-15 composite

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    (a) Photocatalytic efficiency, (b) corresponding kinetic curves for the photocatalytic reduction of aqueous Cr(VI) with Bi5O7I and CuS/Bi5O7I composites (experimental conditions: 150 mL of 10 mg/L Cr(IV) solution, 100 mg of catalyst)
    7. (a) Photocatalytic efficiency, (b) corresponding kinetic curves for the photocatalytic reduction of aqueous Cr(VI) with Bi5O7I and CuS/Bi5O7I composites (experimental conditions: 150 mL of 10 mg/L Cr(IV) solution, 100 mg of catalyst)

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    Schematic diagram of proposed mechanism for photocatalytic reduction of Cr(VI) for CuS/Bi5O7I composite under visible light illumination
    8. Schematic diagram of proposed mechanism for photocatalytic reduction of Cr(VI) for CuS/Bi5O7I composite under visible light illumination

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    Preparation process diagram of CuS/Bi5O7I composites
    Scheme 1. Preparation process diagram of CuS/Bi5O7I composites

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    Miao CAI, Zihang CHEN, Shi ZENG, Jianghui DU, Juan XIONG. CuS Nanosheet Decorated Bi5O7I Composite for the Enhanced Photocatalytic Reduction Activity of Aqueous Cr(VI)[J]. Journal of Inorganic Materials, 2021, 36(6): 665

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    Paper Information

    Category: RESEARCH LETTER

    Received: Jun. 29, 2020

    Accepted: --

    Published Online: Nov. 25, 2021

    The Author Email: XIONG Juan (juanxiong@hubu.edu.cn)

    DOI:10.15541/jim20200356

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology