Specifics of the Preparation of Anisotropically Shaped Gold Nanoparticles in Triton X-100 Reverse Micelles

被引：6
|
作者：
Spirin, M. G. [1 ]
Brichkin, S. B. [1 ]
Razumov, V. F. [1 ]
机构：
[1] Russian Acad Sci, Inst Problems Chem Phys, Chernogolovka 142432, Moscow Oblast, Russia
来源：
HIGH ENERGY CHEMISTRY | 2010年 / 44卷 / 01期
基金：
俄罗斯基础研究基金会;
关键词：
ASCORBIC-ACID; GROWTH; SILVER; SIZE;
D O I：
10.1134/S001814391001008X
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 influence of the form of micelles and reactant concentrations on the formation and growth of gold nanoparticles in reverse micelles based on Triton X-100 (polyoxyethylene octyl phenyl ether) was studied. It was shown that spherical nanoparticles of 3-4 nm in size are formed in the presence of sodium sulfite and ascorbic acid and particles of an extended shape are formed in the presence of ascorbic acid alone. It was found that the ultimate shape and size of the nanoparticles depend not only upon the form of micelles but also on the acid concentration, since the products of its oxidation can be selectively sorbed on the surface of the particles and act as additional shape modifiers.
引用
收藏
页码：54 / 59
页数：6
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