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《中国物理C》（英文）编辑部
2024年10月30日
Chinese Physics C> 2003, Vol. 27> Issue(S1) : 63-66 

In Situ Synchrotron Small Angle X-ray Scattering Studies of TiO2 Colloid at Elevated Temperature

  •  Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100039,China2 Institute of Physics,Chinese Acdemy of Sciences,Beijing 100080,China

  • The suspension colloids of the wide-gap semiconductor TiO2 nano-particles in aqueous solution at elevated temperature have been studied by in situ small angle X-ray scattering using synchrotron radiation.It is found that the Guiner plot of the scattering intensity shows an upward concave behaviour at lower scattering vectors,being representative of a polydispersive system.The size distribution of gyration radius of TiO2 nano-particles in aqueous solution,M(Rg),has been successfully determined by Shull-Roess method.The main peak of M(Rg) at 25°C is located at 2.3nm,corresponding to a spherical diameter of 5.9nm,while it increases to 3.2nm at 80°C,correspoding to a spherical diameter of 8.2nm.This size distribution of TiO2 nanoparticle in solution is useful to understand the photo-electron properties and the stabilities of the dye sensitised TiO2 nanoparticle solar cell.
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HONG Xin-Guo, DU Lu-Chao, YE Man-Ping, WENG Yu-Xiang and LI Ming. In Situ Synchrotron Small Angle X-ray Scattering Studies of TiO2 Colloid at Elevated Temperature[J]. Chinese Physics C, 2003, 27(S1): 63-66.
HONG Xin-Guo, DU Lu-Chao, YE Man-Ping, WENG Yu-Xiang and LI Ming. In Situ Synchrotron Small Angle X-ray Scattering Studies of TiO2 Colloid at Elevated Temperature[J]. Chinese Physics C, 2003, 27(S1): 63-66. shu
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Received: 2003-11-21
Revised: 1900-01-01
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In Situ Synchrotron Small Angle X-ray Scattering Studies of TiO2 Colloid at Elevated Temperature

    Corresponding author: HONG Xin-Guo,
  • Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100039,China2 Institute of Physics,Chinese Acdemy of Sciences,Beijing 100080,China
  • Received Date: 2003-11-21
  • Accepted Date: 1900-01-01
  • Available Online: 2003-01-02

Abstract: The suspension colloids of the wide-gap semiconductor TiO2 nano-particles in aqueous solution at elevated temperature have been studied by in situ small angle X-ray scattering using synchrotron radiation.It is found that the Guiner plot of the scattering intensity shows an upward concave behaviour at lower scattering vectors,being representative of a polydispersive system.The size distribution of gyration radius of TiO2 nano-particles in aqueous solution,M(Rg),has been successfully determined by Shull-Roess method.The main peak of M(Rg) at 25°C is located at 2.3nm,corresponding to a spherical diameter of 5.9nm,while it increases to 3.2nm at 80°C,correspoding to a spherical diameter of 8.2nm.This size distribution of TiO2 nanoparticle in solution is useful to understand the photo-electron properties and the stabilities of the dye sensitised TiO2 nanoparticle solar cell.

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