MOLECULAR RECOGNITION OF ALKALI-METAL CATIONS BY A NICKEL HEXACYANOFERRATE MONOLAYER ANCHORED TO SELF-ASSEMBLED MONOLAYERS OF 3,3'-THIODIPROPIONIC ACID ON GOLD

被引：58

作者：

BHARATHI, S ^{[1
]}

YEGNARAMAN, V ^{[1
]}

RAO, GP ^{[1
]}

机构：

[1] CENT ELECTROCHEM RES INST,KARAIKKUDI 623006,TAMIL NADU,INDIA

来源：

LANGMUIR | 1995年 / 11卷 / 02期

关键词：

D O I：

10.1021/la00002a052

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A gold electrode surface has been modified with a monolayer of 3,3'-thiodipropionic acid (TPA) by self-assembly. The pH-sensitive TPA monolayer is further derivatized to form a monolayer of nickel hexacyanoferrate. This electrode shows molecular discrimination between potassium and sodium ions and exhibits a near-Nernstian response, with a slope of 55 mV/decade to potassium ions in the range from 10(-2) to 1 M.

引用

页码：666 / 668

页数：3

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