Matrix Isolation Spectroscopy-A Novel Technique to Investigate Tropospheric Ozone Formation

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概要

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• A bench-scale matrix isolation system coupled with an FTIR spectrometer has been established for investigating the formation mechanism of tropospheric ozone. Mixtures of NO<SUB>2</SUB>, O<SUB>2</SUB>, and Ar are prepared and deposited on the matrix chamber at 8-12 K under vacuum. The matrix is then photolyzed to verify the mechanism of tropospheric ozone formation. Results show that both O<SUB>3</SUB> and NO are produced during the photolysis experiments, which serves as the first verification of the reaction pathway using matrix isolation technique. The characteristics, temperature effect, potential applications and limitations of matrix isolation technique are assessed and summarized. It is concluded that the matrix isolation spectroscopy can be an effective technique for investigating atmospheric reactions involving highly reactive species with short atmospheric lifetimes.

• 日本マクロエンジニアリング学会の論文

著者

• BASU A.

  Department of Chemical Engineering, Lamar University

• LI K.

  Department of Chemical Engineering, Lamar University

• Lin Che-Jen

  Department of Civil Engineering, Lamar University

• Gossage John

  Department of Chemical Engineering, Lamar University

• Li Kuyen

  Department of Chemical Engineering, Lamar University

• JENPANICH K.

  Department of Chemical Engineering, Lamar University

• GOSSAGE J.

  Department of Chemical Engineering, Lamar University

• COCKE D.

  Department of Chemical Engineering, Lamar University

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