高圧力の科学と技術
Online ISSN : 1348-1940
Print ISSN : 0917-639X
ISSN-L : 0917-639X
特集-超臨界流体の拡散と反応-
超臨界流体中での拡散律速反応
岡本 政實
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ジャーナル フリー

2004 年 14 巻 1 号 p. 30-36

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In this article, recent studies on the pressure dependence of the bimolecular fluorescence quenching with a nearly diffusion-controlled rate in liquid and supercritical fluid were reviewed. In liquid solution, the pressure dependence of the quenching rate constant, kq, by heavy atom quenchers and oxygen was successfully analyzed by taking into account the pressure dependence of radial distribution function. The analysis was applied to the quenching systems in supercritical CO2, and it was found that the treatment is applicable to the fluorescence quenching of 9,10-dimethylanthracene by oxygen and CBr4 with high kq, but not to that of 9-cyanoanthracene by oxygen with lower kq.

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© 2004 日本高圧力学会
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