| LIU Chunlei,YANG Jikai,LIU Haorui,ZHAO Yiming.Electrochromism and photoelectrochemical perfor- mance of WO3/Au composite film electrodes[J].Optoelectronics Letters,2023,(11):673-680 |
| Electrochromism and photoelectrochemical perfor- mance of WO3/Au composite film electrodes |
| Author Name | Affiliation | | LIU Chunlei | Chongqing Research Institute, Changchun University of Science and Technology, Chongqing 400000, China
School of Physics, Changchun University of Science and Technology, Changchun 130022, China | | YANG Jikai | Chongqing Research Institute, Changchun University of Science and Technology, Chongqing 400000, China
School of Physics, Changchun University of Science and Technology, Changchun 130022, China | | LIU Haorui | Chongqing Research Institute, Changchun University of Science and Technology, Chongqing 400000, China | | ZHAO Yiming | Chongqing Research Institute, Changchun University of Science and Technology, Chongqing 400000, 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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