Amplification of anion sensing by disulfide functionalized ferrocene and ferrocene-calixarene receptors adsorbed onto gold surfaces

被引：42

作者：

Cormode, David P. ^{[1
]}

Evans, Andrew J. ^{[1
]}

Davis, Jason J. ^{[1
]}

Beer, Paul D. ^{[1
]}

机构：

[1] Univ Oxford, Inorgan Chem Lab, Dept Chem, Oxford, England

来源：

DALTON TRANSACTIONS | 2010年 / 39卷 / 28期

基金：

英国工程与自然科学研究理事会;

关键词：

SELF-ASSEMBLED MONOLAYERS; DIHYDROGEN PHOSPHATE ANION; ALKANETHIOL MONOLAYERS; RECOGNITION PROPERTIES; ION RECOGNITION; CROWN-ETHERS; METAL; ELECTRODES; CATIONS; BINDING;

D O I：

10.1039/c0dt00217h

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A disulfide functionalized bis-ferrocene urea acyclic receptor and disulfide functionalized mono-and bis-ferrocene amide and urea appended upper rim calix[4] arene receptors were prepared for the fabrication of SAM redox-active anion sensors. H-1 NMR and diffusive voltammetric anion recognition investigations revealed each receptor to be capable of complexing and electrochemically sensing anions via cathodic perturbations of the respective receptor's ferrocene/ferrocenium redox couple. SAMs of a ferrocene urea receptor 3 and ferrocene urea calixarene receptor 17 exhibited significant enhanced magnitudes of cathodic response upon anion addition as compared to observed diffusive perturbations. SAMs of 17 were demonstrated to sense the perrhenate anion in aqueous solutions.

引用

页码：6532 / 6541

页数：10

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