Mechanism of the Transfer of AuCl4- and TOA+ Ions Across the Liquid/Liquid Interface

被引：7

作者：

Duong, Quynh ^{[1
]}

Tan, Yunshi ^{[1
]}

Corey, Jason ^{[1
]}

Anz, Samir ^{[1
]}

Sun, Peng ^{[1
]}

机构：

[1] Calif State Polytech Univ Pomona, Dept Chem & Biochem, Pomona, CA 91768 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2015年 / 119卷 / 19期

关键词：

GOLD NANOPARTICLES; WATER; ELECTROCHEMISTRY; NUCLEATION;

D O I：

10.1021/jp512909t

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The Brust-Schiffrin (BS) two-phase method to synthesize nanoparticles has been widely used. In this method, the transfer of tetrachloroaurate (AuCl4-) from aqueous phase into organic phase is the first step. However, the mechanism of the transfer of AuCl4- is still not clear. In this paper, we studied the mechanism of the transfer of AuCl4- across a micrometer-sized interface between two immiscible electrolyte solutions (ITIES). Our results revealed that the presence of TOA(+) can enhance the transfer of AuCl4- from aqueous phase into organic phase. The enhanced transfer of AuCl4- is explained by the shuttling mechanism which has been developed by Laforge et al.

引用

页码：10365 / 10369

页数：5

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