Graphene oxide-based electrochemical sensor

a platform for ultrasensitive detection of heavy metal ions

Xuezhong Gong, Yunlong Bi, Yihua Zhao, Guozhen Liu, Wey Yang Teoh*

*Corresponding author for this work

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

Facile functionalization of graphene oxide sheets on gold surface results in complexation-enhanced electrochemical detection of heavy metal ions, shown here for Pb2+, Cu2+ and Hg2+, with improved detection limits by two orders of magnitude relative to the control electrode.

Original languageEnglish
Pages (from-to)24653-24657
Number of pages5
JournalRSC Advances
Volume4
Issue number47
DOIs
Publication statusPublished - 2014
Externally publishedYes

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