Facile and green fabrication of size-controlled AuNPs/CNFs hybrids for the highly sensitive simultaneous detection of heavy metal ions
Facile and green fabrication of size-controlled AuNPs/CNFs hybrids for the highly sensitive simultaneous detection of heavy metal ions
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简便、绿色制造尺寸控制的 AuNPs/CNFs 杂化物,用于高灵敏度同时检测重金属离子
DOI:
10.1016/j.electacta.2016.02.163
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发表时间:
2016-04
影响因子:
6.6
通讯作者:
Du MingLiang
中科院分区:
文献类型:
--
作者:
Zhang Bin;Chen JiaDong;Zhu Han;Yang TingTing;Zou MeiLing;Zhang Ming;Du MingLiang
A well-dispersed Au nanoparticle grown on carbon nanofibers (AuNPs/CNFs) with excellent electroanalytical activity and sensitivity towards the detection of heavy metal ions was synthesized via electrospinning technology andin situthermal reduction. Field-emission scanning electron microscopy (FE-SEM) and transmission electron microscopy (TEM) images show that a large amount of AuNPs with a diameter of 5–15 nm was homogenously distributed on the surface of the nanofibers. The AuNPs/CNFs hybrids modified electrode was utilized as the working electrode for the simultaneous detection of heavy metal ions such as Cd2+, Pb2+and Cu2+through the square wave anodic stripping voltammetry (SWASV) method. The electrochemical results indicate that the simultaneous detection of Cd2+, Pb2+and Cu2+with a low concentration of 0.1 μM can be obtained. This work may provide an easy way to construct electrochemical sensors for the quick detection of trace heavy metal ions.
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