Template-based electrodeposition of Pt/Ni nanowires and its catalytic activity towards glucose oxidation

被引：115

作者：

Mahshid, Sahar Sadat ^{[1
,2
]}

Mahshid, Sara ^{[1
,2
]}

Dolati, Abolghasem ^{[1
]}

Ghorbani, Mohammad ^{[1
]}

Yang, Lixia ^{[3
]}

Luo, Shenglian ^{[2
]}

Cai, Qingyun ^{[2
]}

机构：

[1] Sharif Univ Technol, Mat Sci & Engn Dept, Tehran, Iran

[2] Hunan Univ, State Key Lab Chemobiosensing & Chemometr, Dept Chem, Changsha 410082, Hunan, Peoples R China

[3] Nanchang Hangkong Univ, Sch Environm & Chem Engn, Nanchang 330063, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2011年 / 58卷

基金：

美国国家科学基金会;

关键词：

Pt/Ni nanowires; Electrodeposition; Non-enzymatic; Glucose; Catalytic activity; GLASSY-CARBON ELECTRODE; PLATINUM NANOPARTICLES; NANOTUBE ELECTRODE; OXYGEN REDUCTION; FUEL-CELL; SOL-GEL; BIOSENSOR; ARRAY; FABRICATION; SENSOR;

D O I：

10.1016/j.electacta.2011.09.083

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

An electro-catalysis non-enzymatic electrode is proposed based on alloyed Pt/Ni nanowire arrays (NWAs) for the detection of glucose. The Pt/Ni NWAs were prepared by pulse electrodeposition of Pt and Ni within a nano-pore polycarbonate (PC) membrane followed by a chemical etching of the membrane. The electrode structure is characterized by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The resulting Pt/Ni NWAs electrode shows high electrocatalytic activities towards the oxidation of glucose in alkaline solution. Consequently, a sensitive amperometric detection of glucose is achieved under 0.45 V vs. SCE with a low detection limit of 1.5 mu M within a wide linear range from 2 mu M to 2 mM (R = 0.997). Furthermore, the oxidable species such as ascorbic acid and uric acid show no significant interference in determination of glucose. Finally, the experiment results reveal a very good reproducibility and high stability for the proposed Pt/Ni NWAs electrode. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：551 / 555

页数：5

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