高等学校化学学报

高等学校化学学报 ›› 2000, Vol. 21 ›› Issue (S1): 34.

• Analytical Sciences • 上一篇    下一篇

Sol-Gel-derived Film for Oxygen Sensor

HONG Jiang-Xing, LI Wei, CHEN Xi, ZHUANG Zhi-Xia, SUN Da-Hai, WANG Xiao-Ru   

  1. The Key Laboratory of Analytical Sciences of MOE and Department of Chemistry, Xiamen University, Xiamen 361005
  • 出版日期:2000-12-31 发布日期:2000-12-31
  • 基金资助:

    Supported by the National Key Project (Gong Guan Project) for Period of 1995-2000(96-A23-02-08) and the National High-Tech. Project (863 project, 818-Q-09).

Sol-Gel-derived Film for Oxygen Sensor

HONG Jiang-Xing, LI Wei, CHEN Xi, ZHUANG Zhi-Xia, SUN Da-Hai, WANG Xiao-Ru   

  1. The Key Laboratory of Analytical Sciences of MOE and Department of Chemistry, Xiamen University, Xiamen 361005
  • Online:2000-12-31 Published:2000-12-31
  • Supported by:

    Supported by the National Key Project (Gong Guan Project) for Period of 1995-2000(96-A23-02-08) and the National High-Tech. Project (863 project, 818-Q-09).

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被引次数

46

摘要：

Oxygen concentration is an important parameter in environmental, chemical and other fields. Oxygen sensor based on luminescence quenching by oxygen have been developed and wide applied. The oxygen quenching process is described by the Stern-Volmer equation. Ruthenium complex are chosen as fluorescence indicator because they are particularly attractive for oxygen sensing, exhibit high luminescent quantum yield, long excited-state lifetime, large Stokes shift, and strong absorption in the blue-green spectral region[1]. The sensor involves immobilizing the ruthenium complex within a porous sol-gel-processed film. Sol-gel process has many advantages as a method of immobilization. At ambient temperature, it allows the fabrication of a tough, inert, porous glass material with a high surface area. Sol-gel-derived silica film has a low optical absorption in the visible and UV region of the spectrum and is relatively inexpensive to produce[2].

Abstract:

Oxygen concentration is an important parameter in environmental, chemical and other fields. Oxygen sensor based on luminescence quenching by oxygen have been developed and wide applied. The oxygen quenching process is described by the Stern-Volmer equation. Ruthenium complex are chosen as fluorescence indicator because they are particularly attractive for oxygen sensing, exhibit high luminescent quantum yield, long excited-state lifetime, large Stokes shift, and strong absorption in the blue-green spectral region[1]. The sensor involves immobilizing the ruthenium complex within a porous sol-gel-processed film. Sol-gel process has many advantages as a method of immobilization. At ambient temperature, it allows the fabrication of a tough, inert, porous glass material with a high surface area. Sol-gel-derived silica film has a low optical absorption in the visible and UV region of the spectrum and is relatively inexpensive to produce[2].

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