Improved performances of electrodes based on Cu2+-loaded copper hexacyanoferrate for hydrogen peroxide detection

被引：35
|
作者：
Guadagnini, Lorella [1 ]
Tonelli, Domenica [1 ]
Giorgetti, Marco [1 ]
机构：
[1] Univ Bologna, Dept Phys & Inorgan Chem, INSTM, UdR Bologna, I-40136 Bologna, Italy
来源：
ELECTROCHIMICA ACTA | 2010年 / 55卷 / 17期
关键词：
Hydrogen peroxide; Copper hexacyanoferrate; Copper intercalation; Chronoamperometry; GC electrode; PHOTOINDUCED MAGNETIZATION; SOLID-STATE; IRON; NANOPARTICLES; STABILITY; IDENTITY; SENSOR; FILMS;
D O I：
10.1016/j.electacta.2010.04.019
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Copper hexacyanoferrate thin films were potentiodynamically deposited on glassy carbon electrodes and employed for the chronoamperometric detection of hydrogen peroxide at 0.0 V vs. SCE. A new experimental procedure based on the intercalation of copper ions inside the structure of the films led to sensors with improved performances. The modified electrode displayed an increased sensitivity to hydrogen peroxide detection together with a wider linear response range and a lower detection limit. Furthermore, even if the electrode response decreased with use, the initial activity could be restored by performing a new intercalation procedure. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：5036 / 5039
页数：4
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