Graphene oxide-based electrochemical sensor: a platform for ultrasensitive detection of heavy metal ions

Graphene oxide-based electrochemical sensor: a platform for ultrasensitive detection of heavy metal ions

Facile functionalization of graphene oxide sheets on gold surface results in complexation-enhanced electrochemical detection of heavy metal ions, shown here for Pb 2+ , Cu 2+ and Hg 2+ , with improved detection limits by two orders of magnitude relative to the control electrode.

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Veröffentlicht in:RSC advances 2014-01, Vol.4 (47), p.24653-24657
Hauptverfasser: Gong, Xuezhong, Bi, Yunlong, Zhao, Yihua, Liu, Guozhen, Teoh, Wey Yang
Format: Artikel
Sprache:eng
Schlagworte:
Complexation
Electrodes
Gold
Graphene
Heavy metals
Oxides
Platforms
Sheet metal
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Zusammenfassung:Facile functionalization of graphene oxide sheets on gold surface results in complexation-enhanced electrochemical detection of heavy metal ions, shown here for Pb 2+ , Cu 2+ and Hg 2+ , with improved detection limits by two orders of magnitude relative to the control electrode.
ISSN:2046-2069
2046-2069
DOI:10.1039/C4RA02247E