Copper ion-induced fluorescence band shift of CdTe quantum dots: a highly specific strategy for visual detection of Cu2+ with a portable UV lamp

Xiaohui Lu; Yunjie Zhao; Jinjun Zhang; Xiaozhen Lu; Yucong Wang; Chenghui Liu

doi:10.1039/C5AN01963J

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Copper ion-induced fluorescence band shift of CdTe quantum dots: a highly specific strategy for visual detection of Cu²⁺ with a portable UV lamp†

Xiaohui Lu,^ab Yunjie Zhao,^a Jinjun Zhang,^a Xiaozhen Lu,^a Yucong Wang*^a and Chenghui Liu*^b

Author affiliations

* Corresponding authors

^a Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education; College of Chemistry and Environmental Science, Hebei University, Baoding 071002, Hebei Province, P. R. China

^b School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, Shaanxi Province, P. R. China
E-mail: wangyucong@hbu.edu.cn, liuch@snnu.edu.cn

Abstract

We have developed a new colorimetric strategy that allows visual detection of Cu²⁺ under the irradiation of a UV lamp with high specificity based on the phenomenon that copper ions may lead to a fluorescence band shift of CdTe quantum dots (QDs) while other concomitant ions will not.

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Article information

DOI: https://doi.org/10.1039/C5AN01963J
Article type: Communication
Submitted: 22 Sep 2015
Accepted: 13 Oct 2015
First published: 13 Oct 2015

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Analyst, 2015,140, 7859-7863

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Copper ion-induced fluorescence band shift of CdTe quantum dots: a highly specific strategy for visual detection of Cu²⁺ with a portable UV lamp

X. Lu, Y. Zhao, J. Zhang, X. Lu, Y. Wang and C. Liu, Analyst, 2015, 140, 7859 DOI: 10.1039/C5AN01963J

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