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Molecules 2012, 17(7), 8430-8438; doi:10.3390/molecules17078430
Article

Aqueous Synthesis and Characterization of TGA-capped CdSe Quantum Dots at Freezing Temperature

, , ,  and *
College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, Zhejiang, China
* Author to whom correspondence should be addressed.
Received: 9 May 2012 / Revised: 30 June 2012 / Accepted: 2 July 2012 / Published: 11 July 2012
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Abstract

CdSe quantum dots (QDs) have traditionally been synthesized in organic phase and then transferred to aqueous solution by functionalizing their surface with silica, polymers, short-chain thiol ligands, or phospholipid micelles. However, a drastic increase in the hydrodynamic size and biotoxicity of QDs may hinder their biomedical applications. In this paper, the TGA-capped CdSe QDs are directly synthesized in aqueous phase at freezing temperature, and they prove to possess high QY (up to 14%).
Keywords: CdSe QDs; thioglycolic acid; freezing temperature CdSe QDs; thioglycolic acid; freezing temperature
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Sun, Q.; Fu, S.; Dong, T.; Liu, S.; Huang, C. Aqueous Synthesis and Characterization of TGA-capped CdSe Quantum Dots at Freezing Temperature. Molecules 2012, 17, 8430-8438.

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