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Issue 7, 2010
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Selective detection of trace amount of Cu2+ using semiconductor nanoparticles in photoelectrochemical analysis

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Abstract

A highly sensitive and selective photoelectrochemical sensor for Cu2+ was developed based on the selective interaction between CdS quantum dots (QDs) immobilized on an indium tin oxide (ITO) electrode surface and Cu2+ in a triethanolamine (TEA) solution to form CuxS-doped CdS QDs, which disrupts the electron transfer from the conduction band of CdS to ITO and results in a decrease of photocurrent.

Graphical abstract: Selective detection of trace amount of Cu2+ using semiconductor nanoparticles in photoelectrochemical analysis

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Supplementary files

Article information


Submitted
04 Feb 2010
Accepted
11 Mar 2010
First published
07 May 2010

Nanoscale, 2010,2, 1112-1114
Article type
Communication

Selective detection of trace amount of Cu2+ using semiconductor nanoparticles in photoelectrochemical analysis

G. Wang, J. Xu and H. Chen, Nanoscale, 2010, 2, 1112
DOI: 10.1039/C0NR00084A

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