期刊
TALANTA
卷 166, 期 -, 页码 126-132出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.talanta.2017.01.049
关键词
Gold-palladium; Graphene; Determination; Bisphenol A
资金
- National Natural Science Foundation of China [21675062, 21305050]
- Program for New Century Excellent Talents in Fujian Province University (NCETFJ) [B16164]
- Special Foundation for Young researchers of the Health Department of Fujian [2013-2-106]
- Scientific Research Foundation of Jimei University, China [ZQ2014009]
In this work, a sensitive bisphenol A (BPA) electrochemical sensor was assembled using a surfactant-free AuPd nanoparticles-loaded graphene nanosheets (AuPdNPs/GNs) modified electrode. The AuPdNPs monodispersed on GNs were successfully prepared by the spontaneous redox reaction between bimetallic precursors and GNs. Because no surfactant or halide ions were involved in the proposed synthesis, the prepared composite was enabled to directly modify a glassy carbon electrode without any pre-treatments. Moreover, due to the synergetic effect of Au and Pd, AuPdNPs/GNs displayed high electrochemical activity with well-defined voltammetric peaks of BPA oxidation and lower overpotential compared with monometallic PdNPs and AuNPs supported GNs. According to the results of differential pulse voltammetry (DPV), under optimized conditions, a good linear response was observed for the concentration of BPA in the range of 0.05-10 M with a detection limit of 8 nM. The developed electrochemical sensor was successfully applied to determine BPA in food package. This study indicated that AuPdNPs/GNs based electrochemical sensor can be a promising and reliable tool for rapid analysis of emergency pollution affairs of BPA.
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