A dual-emitting quantum dot complex nanoprobe for ratiometric and visual detection of Hg2+and Cu2+ions

Source
Journal of Materials Chemistry C
ISSN
20507534
Date Issued
2020-06-07
Author(s)
Manna, Mihir
Roy, Shilaj
Bhandari, Satyapriya
Chattopadhyay, Arun
DOI
Volume
8
Issue
21
Abstract
Herein, we report the use of a dual emitting quantum dot complex (QDC; composed of a blue emitting metal-methylsalicylaldimine complex on the surface of an orange emitting Mn<sup>2+</sup>-doped ZnS quantum dot) for ratiometric and visual detection of Hg<sup>2+</sup>and Cu<sup>2+</sup>ions - following the alterations in luminescence color, intensity ratio, chromaticity and hue of the QDC.
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