期刊
MICROCHIMICA ACTA
卷 182, 期 1-2, 页码 265-272出版社
SPRINGER WIEN
DOI: 10.1007/s00604-014-1321-7
关键词
PtAu bimetallic nanoclusters; Graphene; Hydrogen peroxide; Electrochemical sensor
资金
- National Natural Science Foundation of China [21375002]
- Chinese Ministry of Education
- Anhui Normal University
Platinum-gold nanoclusters (PtAu NCs) were electrodeposited on graphene placed on the surface of a glassy carbon electrode (GCE). The PtAu-graphene nanocomposite was characterized by X-ray diffraction, transmission electron microscopy, scanning electron microscopy, and electrochemical methods. The PtAu NCs display excellent electrocatalytic activity towards the reduction of hydrogen peroxide. This effect was exploited in a sensor that responds (at a working voltage of 100 mV) to H2O2 in the 15 nM to 8.73 mu M concentration range, with a limit of detection at 8.0 nM.
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