Investigation of transport across an immiscible liquid/liquid interface - Electrochemical and second harmonic generation studies

被引:19
作者
Crawford, MJ
Frey, JG
VanderNoot, TJ
Zhao, YG
机构
[1] UNIV SOUTHAMPTON,DEPT CHEM,SOUTHAMPTON SO17 1BJ,HANTS,ENGLAND
[2] UNIV LONDON QUEEN MARY & WESTFIELD COLL,LONDON E1 4NS,ENGLAND
来源
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1996年 / 92卷 / 08期
关键词
D O I
10.1039/ft9969201369
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
An electrochemical investigation of the transport of the crown ether 4'-nitrobenzo-15-crown-5 across a water/1,2-dichloroethane interface showed that the crown ether did not cross the interface but the complex formed by the crown ether with Na+ did transfer, the peak transfer current increased with increasing [Na+] until all the crown ether was complexed. The in situ interfacial second harmonic generation experiment indicates that, in the absence of Na+, the crown ether is oriented and ordered by the electric field at the interface. The sodium coronate shows a more complex behaviour at the interface.
引用
收藏
页码:1369 / 1373
页数:5
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