Disposable micro-fabricated electrochemical bismuth sensors for the determination of Tl(I) by stripping voltammetry

被引：7
|
作者：
Kokkinos, Christos [1 ]
Raptis, Ioannis [2 ]
Economou, Anastasios [1 ]
Speliotis, Thanassis [3 ]
机构：
[1] Univ Athens, Dept Chem, GR-15771 Athens, Greece
[2] NCSR Demokritos, Inst Microelect, Athens, Greece
[3] NCSR Demokritos, Inst Mat Sci, Athens, Greece
来源：
PROCEEDINGS OF THE EUROSENSORS XXIII CONFERENCE | 2009年 / 1卷 / 01期
关键词：
bismuth-film electrodes; stripping voltammetry; Tl(I) determination; microfabrication; FILM ELECTRODE;
D O I：
10.1016/j.proche.2009.07.259
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
This work reports a method for the micro-fabrication of bismuth-film electrodes (BiFEs) suitable for trace metal analysis by stripping voltammetry. The sensors were fabricated by sputtering of a thin film of bismuth on the surface of an oxidized silicon wafer while the geometry of the devices was defined by photolithography. This approach for the formation of the bismuth film has some distinct advantages compared to the conventional bismuth electroplating method. These devices were tested for the determination of trace Tl(I) in aqueous samples by stripping voltammetry.
引用
收藏
页码：1039 / +
页数：2
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