Influence of precursor on the particle size and stability of colloidal gold nanoparticles

被引：3
|
作者：
Alshammari, A. [1 ]
Koeckritz, A. [1 ]
Kalevaru, V. N. [1 ]
Martin, A. [1 ]
机构：
[1] Univ Rostock, Leibniz Inst Catalysis, D-18059 Rostock, Germany
来源：
SCIENTIFIC BASES FOR THE PREPARATION OF HETEROGENEOUS CATALYSTS: PROCEEDINGS OF THE 10TH INTERNATIONAL SYMPOSIUM | 2010年 / 175卷
关键词：
gold metal precursor; colloidal AuNPs; size of AuNPs; stability; reaction parameters; CATALYSIS;
D O I：
10.1016/S0167-2991(10)75072-2
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Particle size and stability of colloidal gold nanoparticles (AuNPs) have considerable importance in nanocatalysis due to their beneficial properties. Colloidal AuNPs of the present study were prepared in aqueous solution by one-step chemical reduction of various gold metal precursors. The nature of Au precursor showed a significant effect on the size and stability of colloidal AuNPs. Furthermore, the study describes the effect of different synthesis parameters such as temperature, pH-value, concentration of precursors and reducing agent on the size of the colloidal AuNPs. The obtained samples were characterized by means of UV-Vis spectroscopy, transmission electron microscopy, dynamic light scattering and zeta potential measurements.
引用
收藏
页码：409 / 412
页数：4
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