Dithiolate-Appended Iridium(III) Complex with Dual Functions of Reducing and Capping Agent for the Design of Small-Sized Gold Nanoparticles

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• 作者：Gihane Nasr ; Audrey Guerlin ; Fr茅d茅ric Dumur ; St茅phane A. Baudron ; Eddy Dumas ; Fabien Miomandre ; Gilles Clavier ; Michel Sliwa ; C茅dric R. Mayer
• 刊名：Journal of the American Chemical Society
• 出版年：2011
• 出版时间：May 4, 2011
• 年：2011
• 卷：133
• 期：17
• 页码：6501-6504
• 全文大小：750K
• 年卷期：v.133,no.17(May 4, 2011)
• ISSN：1520-5126

文摘

The unprecedented combined reduction of chloroauric acid and capping of the resulting gold nanoparticles in the absence of an external reducing agent are demonstrated using a novel heteroleptic Ir(III) complex incorporating a 4,5-diazafluorenedithiolate ligand. The reduction process in basic medium results from a cascade mechanism involving oxidation of the ligand, reduction of the gold salt, and stabilization and functionalization of the gold nanoparticles.