Journal
TALANTA
Volume 169, Issue -, Pages 37-43Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.talanta.2017.03.042
Keywords
Electrochemical sensor; Cuprous oxide; Reduced graphene oxide; Bisphenol A
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Funding
- livehood science and technology plan program of Qing Dao City [15-9-2-123-nsh]
- Natural Science Foundation of China [21477138, 21407086, 21607161]
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Bisphenol A (BPA), as an important industrial material, has been widespread concerned in recent years as its endocrine disrupting effect. This study reported a novel bisphenol A sensor via a facile one step electrochemical reduction of graphene oxide (rGO) and cuprous oxide (Cu2O) nanocomposite modified glassy carbon electrodes. The characterization of the fabricated sensor was performed by scanning electron microscopy and X-ray spectroscopy. The prepared Cu2O-rGO electrode presented fast response, high sensitivity and low background current. The response of BPA on prepared electrode was 2.15 times higher than reduced graphene modified electrode. Under the optimized experimental parameters, the detection range of the modified electrode was from 1x10(-7) to 8x10(-5) M and the limit of detection was 5.3x10(-8) M (S/N =3). The prepared Cu2O-rGO modified electrode has been successfully used for detecting BPA in environmental water samples.
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