A Versatile Strategy for Quantum Dot Ligand Exchange

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• 作者：Fabien Dubois ; Benoî ; t Mahler ; Benoî ; t Dubertret ; Eric Doris ; Charles Mioskowski
• 刊名：Journal of the American Chemical Society
• 出版年：2007
• 出版时间：January 24, 2007
• 年：2007
• 卷：129
• 期：3
• 页码：482 - 483
• 全文大小：118K
• 年卷期：v.129,no.3(January 24, 2007)
• ISSN：1520-5126

文摘

A new and efficient procedure for ligand exchange on core-shell fluorescent nanocrystals is reported. The process involves the reaction of carbon disulfide with a ligand containing an amino group. The resulting dithiocarbamate is strongly bound to the surface of the quantum dots leading to a secure coating of the nanoparticle. The strategy was applied to the aqueous transfer of quantum dots.