Electrogenerated Chemiluminescence Sensor Based on Tris(2,2′-bipyridine)ruthenium(II)-Immobilized Natural Clay and Ionic Liquid

被引：4

作者：

Jiang, Ping ^{[1
]}

Yan, Lei ^{[1
]}

Zhang, Xicui ^{[2
]}

Yuan, Hongyan ^{[1
]}

Xiao, Dan ^{[1
,2
]}

Choi, Martin M. F. ^{[3
]}

机构：

[1] Sichuan Univ, Coll Chem, Chengdu 610065, Peoples R China

[2] Sichuan Univ, Coll Chem Engn, Chengdu 610065, Peoples R China

[3] Hong Kong Baptist Univ, Dept Chem, Kowloon Tong, Hong Kong, Peoples R China

来源：

ELECTROANALYSIS | 2010年 / 22卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Ru(bpy)(3)(2+); ECL sensor; Natural clay; Ionic liquids; Sensors; DOPED SILICA NANOPARTICLES; ELECTROCHEMILUMINESCENCE SENSOR; COMPOSITE FILMS; CHEMI-LUMINESCENCE; ELECTRODE SURFACE; MULTILAYER FILMS; RU(BPY)(3)(2+); RUTHENIUM; ACIDS; ECL;

D O I：

10.1002/elan.200900283

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A novel electrogenerated chemiluminescence (ECL) sensor based oil natural clay and ionic liquid was fabricated. Tris(2,2'-bipyridine)ruthenium(II) (Ru(bpy)(3)(2+)) was immobilized on natural clay surface through simple adsorption. An ECL sensor was prepared by mixing Ru(bpy)(3)(2+)-incorporated clay, graphite powder and an ionic liquid (1-butyl-3-methylimidazolium hexafluorophosphate) as the binder. The electrochemical behavior and ECL of the immobilized Ru(bpy)(3)(2+) was investigated. It was observed that the ECL of immobilized Ru(bpy)(3)(2+) was activated by the ionic liquid. The proposed ECL sensor showed high sensitivity to tri-n-propylamine (TPrA) and the detection limit was found to be 20 pM. In addition, the ECL sensor displayed good stability for TPrA detection and long-term storage stability.

引用

页码：204 / 208

页数：5

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