Home > Archive>Volume 19, Issue 11, 2023 >673-680. DOI:https://doi.org/10.1007/s11801-023-3087-9
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Electrochromism and photoelectrochemical perfor- mance of WO3/Au composite film electrodes
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1. Chongqing Research Institute, Changchun University of Science and Technology, Chongqing 400000, China;2. School of Physics, Changchun University of Science and Technology, Changchun 130022, China

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    Abstract:

    WO3/Au composite film electrode was prepared by hydrothermal combined electrodeposition method. The samples were characterized by scanning electron microscope (SEM), energy dispersive spectrometer (EDS) and X-ray diffraction (XRD), and the results showed that WO3/Au composite film was synthesized. Electrochemical and spectral measurements were carried out to obtain the electrochromic response time, reversibility, coloration efficiency (CE) and transmittance of the WO3/Au composite film. The photoelectrochemical properties of the samples were characterized by measuring photocurrent and photocatalytic degradation efficiency. The results show that compared with pure WO3 nanoblocks, WO3/Au composite film improves the electrochromic property, photocurrent and photoelectric catalysis activity. Among them, WO3/Au composite film prepared by depositing Au nanoparticles in 80 s showed the highest electrochromic property, photocurrent and photoelectric catalysis activity. Meanwhile, compared with direct photocatalysis (DP) and electrocatalysis (EC), the photoelectrocatalysis (PEC) activity of the composite film is the highest.

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LIU Chunlei, YANG Jikai, LIU Haorui, ZHAO Yiming. Electrochromism and photoelectrochemical perfor- mance of WO3/Au composite film electrodes[J]. Optoelectronics Letters,2023,19(11):673-680

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History
  • Received:May 15,2023
  • Revised:July 21,2023
  • Online: November 17,2023
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