Journal
ELECTROANALYSIS
Volume 23, Issue 12, Pages 2796-2801Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.201100293
Keywords
Sulfide; Reduced graphene sheets; Electrochemical detection; Electrocatalytic oxidation; Electrochemical sensors
Categories
Funding
- National Natural Science Foundation of China [41076047, 51131008]
- Shandong Provincial Natural Science Foundation, China [ZR2010DM004]
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This paper describes a new electrochemical sensor based on reduced graphene sheets (RGSs) modified glassy carbon electrodes for rapid detection of sulfide. The morphology and electrochemical properties of the RGSs are characterized by atomic force microscopy and cyclic voltammetry. The effects of the scan rates and pH are investigated to evaluate the oxidation processes. Analytical performances of RGSs modified electrodes for direct determination of sulfide in phosphate buffer solutions (PBSs) are also assessed. The RGSs are shown to be viable potential material for sulfide detection as shown by their electrochemical performance.
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