The stability of diazonium ion terminated films on glassy carbon and gold electrodes

被引：12
|
作者：
Lee, Lita [1 ]
Brooksby, Paula A. [1 ]
Downard, Alison J. [1 ]
机构：
[1] Univ Canterbury, Dept Chem, MacDiarmid Inst Adv Mat & Nanotechnol, Christchurch 8140, New Zealand
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2012年 / 19卷
关键词：
Surface modification; Covalent grafting; Tethers; Diazotisation; Ferrocene; COVALENT IMMOBILIZATION; SILICON SURFACES; REDUCTION; NANOTUBES; PROTOCOL;
D O I：
10.1016/j.elecom.2012.03.024
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Glassy carbon (GC) and Au electrodes were modified with aminophenyl films by electroreduction of the corresponding diazonium salt. Aminophenyl films were diazotised using both aqueous and non-aqueous conditions, to generate film-based phenyldiazonium ions. The stabilities of the diazonium terminated films, to exposure to air and in acidic solution, were investigated by cyclic voltammetry (CV). For films of the same thickness, those grafted to Au substrates are more stable than those grafted to GC. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：67 / 69
页数：3
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