Formation of silver nanoparticles in solutions of carboxymethylcellulose

被引：2
|
作者：
Guselnikova, A. V. [1 ]
Visotskiy, V. V. [1 ]
Uryupina, O. Ya. [1 ]
Roldugin, V. I. [1 ]
机构：
[1] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow 119991, Russia
来源：
PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES | 2009年 / 45卷 / 06期
基金：
俄罗斯基础研究基金会;
关键词：
Nitrogen compounds - Silver nanoparticles - Metal ions - Metal nanoparticles - Solutions - Silver compounds;
D O I：
10.1134/S2070205109060136
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
An investigation is reported on the relation between the size and zeta potential for silver nanoparticles prepared in aqueous solution of carboxymethylcellulose to pH of the solution by virtue of dynamic light dissipation. The changes in the size distribution for nanoparticles and their zeta potential were monitored over time. The size of particles was found to degrease linearly with increasing pH; a similar effect was created by the maturation of colloidal solution. The zeta potential of the maturation process tended to take an identical value for all hydrosol samples studied. A procedure is proposed for the numerical calculation of the relative concentration of nanoparticles that is applicable for the investigation of samples with various types of distribution for particle sizes. The degree of reduction for silver ions was found to depend significantly on the quantity of AgNO(3) presented and the ration between the precursor and the reducing agent.
引用
收藏
页码：713 / 717
页数：5
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