期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 205, 期 -, 页码 20-25出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2014.08.050
关键词
Electrochemical sensor; Ascorbic acid; Bimetal nanoparticles; CoPd
资金
- National Natural Scientific Foundation of China [21301137, 21405120]
- New Teachers' Fund for Doctor Stations, Ministry of Education [20126101120012]
- Scientific Research Program Funded by Shaanxi Provincial Education Department [12JK0578, 12JK0617]
Cobalt-palladium bimetal nanoparticles were prepared and dispersed on carbon black. A highly sensitive sensor based on cobalt-palladium/carbon (CoPd/C) modified glassy carbon electrode (GCE) was constructed to determine ascorbic acid (AA). Due to the synergistic effects of cobalt-palladium bimetal nanoparticles, the electrocatalytic activity of modified GCE shows a significant enhance towards the oxidation of AA compared with the commercial palladium carbon (Pd/C) and bare GCE. The CoPd/C modified GEC also shows a wide linear relationship of concentration range from 0.1 mu M to 3.42 mM, a very low applied potential (-50 mV), a good resistance towards common interferents and a high sensitivity. Those results demonstrate that CoPd/C modified GCE can be a promising sensor for AA routine detection. (C) 2014 Elsevier B.V. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据