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Yuan Guo, Zhen Zhang. Si (111) Electrode/electrolyte Interfacial Studied by in-situ Second Harmonic Generation[J]. Chinese Journal of Chemical Physics .
Citation: Yuan Guo, Zhen Zhang. Si (111) Electrode/electrolyte Interfacial Studied by in-situ Second Harmonic Generation[J]. Chinese Journal of Chemical Physics .

Si (111) Electrode/electrolyte Interfacial Studied by in-situ Second Harmonic Generation

  • Received Date: 2020-07-22
  • Accepted Date: 2020-09-15
  • Rev Recd Date: 2020-09-01
  • Available Online: 2020-09-29
  • Si (111) electrode has been widely used in electrochemical and photoelectrochemical studies. The potential dependent measurements of the second harmonic generation (SHG) were performed to study Si (111) electrolyte interface. At different azimuthal angles of the Si (111) and under different polarization combinations, the curve of the intensity of SHG with extern potential have different form of line or parabola. A quantitative analysis showed that this differences of the potential-dependence can be explained by the isotropic and anisotropic contribution of the Si (111) electrode. The change in isotropic and anisotropic contribution of the Si (111) electrode may be attributed to the increase in doping concentration of Si (111) electrodes.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Si (111) Electrode/electrolyte Interfacial Studied by in-situ Second Harmonic Generation

Abstract: Si (111) electrode has been widely used in electrochemical and photoelectrochemical studies. The potential dependent measurements of the second harmonic generation (SHG) were performed to study Si (111) electrolyte interface. At different azimuthal angles of the Si (111) and under different polarization combinations, the curve of the intensity of SHG with extern potential have different form of line or parabola. A quantitative analysis showed that this differences of the potential-dependence can be explained by the isotropic and anisotropic contribution of the Si (111) electrode. The change in isotropic and anisotropic contribution of the Si (111) electrode may be attributed to the increase in doping concentration of Si (111) electrodes.

Yuan Guo, Zhen Zhang. Si (111) Electrode/electrolyte Interfacial Studied by in-situ Second Harmonic Generation[J]. Chinese Journal of Chemical Physics .
Citation: Yuan Guo, Zhen Zhang. Si (111) Electrode/electrolyte Interfacial Studied by in-situ Second Harmonic Generation[J]. Chinese Journal of Chemical Physics .

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