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Journal of Inorganic Materials, Volume. 36, Issue 3, 325(2021)

Facilely Anchoring Cu nanoparticles on WO3 Nanocubes for Enhanced Photocatalysis through Efficient Interface Charge Transfer

Jinyan XIONG1, Qiang LUO2, Kai ZHAO3, Mengmeng ZHANG2, Chao HAN4, and Gang CHENG2、*
Author Affiliations
  • 11. College of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan 430073, China
  • 22. School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, China
  • 33. School of Materials Science and Hydrogen Energy, Foshan University, Foshan 528000, China
  • 44. Institute for Superconducting and Electronic Materials, University of Wollongong, NSW 2500, Australia
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    (a) Photographs and (b) XRD-patterns of WO3-Cu samples
    1. (a) Photographs and (b) XRD-patterns of WO3-Cu samples

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    (a) UV-Vis diffuse reflectance spectra (DRS) and (b) plots of (ahv)1/2vs the photon energy (hv) for the WO3-Cu hybrid and WO3 nanocube
    2. (a) UV-Vis diffuse reflectance spectra (DRS) and (b) plots of (ahv)1/2vs the photon energy (hv) for the WO3-Cu hybrid and WO3 nanocube

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    SEM images of (a) WO3 and (b) WO3-Cu-1.0 sample, (c) EDX spectrum of WO3-Cu-1.0 sample, (d) TEM and (e) HRTEM images of WO3-Cu-1.0 sample, and (f-i) EDX mappings of WO3-Cu-1.0 sample
    3. SEM images of (a) WO3 and (b) WO3-Cu-1.0 sample, (c) EDX spectrum of WO3-Cu-1.0 sample, (d) TEM and (e) HRTEM images of WO3-Cu-1.0 sample, and (f-i) EDX mappings of WO3-Cu-1.0 sample

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    (a) Photocatalytic performance and (b) CR degradation reaction dynamics of different samples, (c) pseudo-first-order constant k for the different products, and (d) cycling photodegradation of CR upon WO3-Cu-1.0
    4. (a) Photocatalytic performance and (b) CR degradation reaction dynamics of different samples, (c) pseudo-first-order constant k for the different products, and (d) cycling photodegradation of CR upon WO3-Cu-1.0

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    (a) Effect of scavengers on the photocatalytic degradation and (b) photocatalytic degradation of CIP (40 mL, 20 mg/L) upon WO3-Cu-1.0 composite (20 mg); (c) DMPO •OH EPR spin-trapping spectra of WO3-Cu-1.0 composite upon sun light irradiation by a 500 W Xe lamp
    5. (a) Effect of scavengers on the photocatalytic degradation and (b) photocatalytic degradation of CIP (40 mL, 20 mg/L) upon WO3-Cu-1.0 composite (20 mg); (c) DMPO •OH EPR spin-trapping spectra of WO3-Cu-1.0 composite upon sun light irradiation by a 500 W Xe lamp

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    (a) Photocurrent response and (b) EIS of WO3 and WO3-Cu-1.0, and (c) proposed pathways for photocatalytic degradation of Congo Red
    6. (a) Photocurrent response and (b) EIS of WO3 and WO3-Cu-1.0, and (c) proposed pathways for photocatalytic degradation of Congo Red

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    Jinyan XIONG, Qiang LUO, Kai ZHAO, Mengmeng ZHANG, Chao HAN, Gang CHENG. Facilely Anchoring Cu nanoparticles on WO3 Nanocubes for Enhanced Photocatalysis through Efficient Interface Charge Transfer[J]. Journal of Inorganic Materials, 2021, 36(3): 325

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    Paper Information

    Category: RESEARCH LETTERS

    Received: Mar. 6, 2020

    Accepted: --

    Published Online: Dec. 8, 2021

    The Author Email: Gang CHENG (gchenglab@163.com)

    DOI:10.15541/jim20200116

    Topics

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