Journal of Inorganic Materials, Volume. 38, Issue 1, 87(2023)

p-n Heterostructured BiVO4/g-C3N4 Photoanode: Construction and Its Photoelectrochemical Water Splitting Performance

Ruyi WANG1...2, Guoliang XU1,2,3, Lei YANG1,2,*, Chonghai DENG1,2, Delin CHU4, Miao ZHANG5 and Zhaoqi SUN5,* |Show fewer author(s)
Author Affiliations
  • 11. School of Energy Materials and Chemical Engineering, Hefei University, Hefei 230601, China
  • 22. Key Laboratory of Materials and Technologies for Advanced Batteries, Hefei University, Hefei 230601, China
  • 33. Changxin Memory Technologies, Inc., Hefei 230000, China
  • 44. Institute of Physical Science and Information Technology, Anhui University, Hefei 230039, China
  • 55. School of Materials Science and Engineering, Anhui University, Hefei 230039, China
  • show less
    Figures & Tables(17)
    Schematic diagram of the preparation for BVO and its composite electrode
    (a) X-ray diffraction (XRD) patterns and (b) Fourier transform infrared (FT-IR) spectra of different electrodes
    Scanning electron microscope (SEM) images of (a) BVO, (b) BVO/g-C3N4, (c) BVO/g-C3N4/FeNiOx, and (d-j) energy dispersive spectrometer (EDS) mappings of BVO/g-C3N4/FeNiOx
    X-ray photoelectron spectra (XPS) of BVO/g-C3N4/FeNiOx photoanode
    Mott-Schottky (M-S) curves of (a) BVO and (b) g-C3N4 electrodes
    Photoelectrochemical performance of different photoanodes
    (a) Ultraviolet and visible (UV-Vis) spectra, (b) Tauc curves, (c) LSV curves with Na2SO3 in electrolyte, (d) bulk charge separation efficiency (ηsep), (e) surface charge injection efficiency (ηinj), and (f) photoluminescence (PL) spectra of different photoanodes
    (a) Application bias photon-to-current efficiency (ABPE) and (b) electrochemical impedance spectra (EIS) of photoanodes
    (a)Gas evolutions detected by gas chromatography and Faradaic efficiency for BVO/g-C3N4/FeNiOx and (b) stability curve of BVO/g-C3N4/FeNiOx
    Schematic illustration of charge transfer for PEC water splitting
    XRD pattern of g-C3N4 nanosheets
    High resolution SEM images of BVO/g-C3N4/FeNiOx
    SEM images of pure g-C3N4 nanosheets
    Cross-section SEM image of BVO/g-C3N4/FeNiOx
    LSV curves of BVO/g-C3N4/FeNiOx at different scan rates
    Light harvesting efficiency (ηabs) curves of different photoanodes
    Theoretical photocurrent density (Jabs) obtained with integrated solar spectrum for each electrode
    Tools

    Get Citation

    Copy Citation Text

    Ruyi WANG, Guoliang XU, Lei YANG, Chonghai DENG, Delin CHU, Miao ZHANG, Zhaoqi SUN. p-n Heterostructured BiVO4/g-C3N4 Photoanode: Construction and Its Photoelectrochemical Water Splitting Performance [J]. Journal of Inorganic Materials, 2023, 38(1): 87

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: RESEARCH ARTICLE

    Received: Jul. 28, 2022

    Accepted: --

    Published Online: Sep. 25, 2023

    The Author Email: YANG Lei (ylei531@163.com), SUN Zhaoqi (szq@ahu.edu.cn)

    DOI:10.15541/jim20220439

    Topics