Recrystallization in metal-ion exchanger nanocomposites

被引：1
|
作者：
Zolotukhina, E. V. [1 ]
Kravchenko, T. A. [2 ]
Peshkov, S. V. [2 ]
Vdovina, S. N. [2 ]
机构：
[1] Voronezh State Tech Univ, Moskovskii Pr 14, Voronezh 394026, Russia
[2] Voronezh State Univ, Voronezh 394893, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2010年 / 84卷 / 07期
基金：
俄罗斯基础研究基金会;
关键词：
COPPER ELECTRODEPOSITION; SILVER;
D O I：
10.1134/S0036024410070228
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 rate of growth of metal (silver, copper) particles obtained by multiple chemical precipitation into sulfostyrenedivinylbenzene ion exchange matrix was studied in solutions of their own potential-determining metal ions by no-current chronopotentiometry. The potential shift of metal particles on a carrier from the potential of a compact electrode was caused by the disperse state of particles, and potential changes with time, by their growth during recrystallization. An increase in the size of silver particles with time during the initial period of the process was described by the parabolic law. Thanks to stabilization by macroporous ion exchange matrix, the growth of metal particles was substantially decelerated even under formed electron conducting cluster conditions.
引用
收藏
页码：1215 / 1219
页数：5
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