Issue 47, 2014
From the journal:

RSC Advances

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

Xuezhong Gong,a   Yunlong Bi,a   Yihua Zhao,a   Guozhen Liub  and  Wey Yang Teoh*a  

* Corresponding authors

a Clean Energy and Nanotechnology (CLEAN) Laboratory, School of Energy and Environment, City University of Hong Kong, Kowloon, Hong Kong S.A.R.
E-mail: wyteoh@cityu.edu.hk
Fax: +852-3442 0688
Tel: +852-3442 4627

b Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, P. R. China

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.

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

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Article information

DOI
https://doi.org/10.1039/C4RA02247E
Article type
Communication
Submitted
14 Mar 2014
Accepted
12 May 2014
First published
14 May 2014

RSC Adv., 2014,4, 24653-24657

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

X. Gong, Y. Bi, Y. Zhao, G. Liu and W. Y. Teoh, RSC Adv., 2014, 4, 24653 DOI: 10.1039/C4RA02247E

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