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Issue 8, 2008
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Synthesis and characterization of water-soluble ZnO quantum dots prepared through PEG-siloxane coating

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Abstract

A new method for the synthesis of biocompatible and multifunctional semiconductor ZnO quantum dots (QDs) through reaction of oleate-capped ZnO QDs with a poly(ethylene glycol)-siloxane is reported. The size, shape, crystal structure and the optical properties of water-soluble ZnO QDs were characterized by atomic force microscopy (AFM) and by their absorption and photoluminescence (PL) spectra. The results showed that well-dispersed ZnO QDs with ca. 6.0 nm in diameter were obtained after surface modification. Fluorescence spectra indicated that the QDs exhibited good fluorescence features after coating.

Graphical abstract: Synthesis and characterization of water-soluble ZnO quantum dots prepared through PEG-siloxane coating

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Publication details

The article was received on 21 Dec 2007, accepted on 20 Feb 2008 and first published on 27 Mar 2008


Article type: Paper
DOI: 10.1039/B719642C
Citation: New J. Chem., 2008,32, 1388-1393
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    Synthesis and characterization of water-soluble ZnO quantum dots prepared through PEG-siloxane coating

    R. Moussodia, L. Balan and R. Schneider, New J. Chem., 2008, 32, 1388
    DOI: 10.1039/B719642C

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