Electrochemical studies on mass transfer of ferrocene derivatives across a single-nitrobenzene-microdroplet/water interface

被引:53
作者
Nakatani, K
Wakabayashi, M
Chikama, K
Kitamura, N
机构
[1] Division of Chemistry, Graduate School of Science, Hokkaido University, Kita-ku
关键词
D O I
10.1021/jp9535755
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Mass transfer processes of ferrocene derivatives (FeCp-X) across a single-nitrobenzene-microdroplet/water interface were studied by laser-trapping and microelectrochemical techniques. Substituent effects of FeCp-X on the mass transfer rate were discussed in terms of the distribution coefficient of FeCp-X between the nitrobenzene and water phases as well as of the adsorption rate of FeCp-X on the droplet/water interface. Interfacial mass transfer of ethylferrocene from water to a droplet was limited by diffusion of the molecule in the water phase, while that of 1-ferrocenylethanol or (N,N-dimethylamino)methylfenocene was governed by both adsorption on the droplet/water interface and diffusion in the water phase.
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收藏
页码:6749 / 6754
页数:6
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