Aqueous solutions of colloidal ruthenium: The radiation-chemical preparation and optical absorption

被引：3
|
作者：
Seliverstov, AF [1 ]
Sukhov, NL [1 ]
Ershov, BG [1 ]
机构：
[1] Russian Acad Sci, Inst Phys Chem, Moscow 119991, Russia
来源：
COLLOID JOURNAL | 2002年 / 64卷 / 06期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1023/A:1021570727002
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 radiation-chemical reduction of Ru(III) is studied in aqueous RuCl3 solutions containing isopropyl alcohol. In the presence of sodium polyacrylate, the stable sols of metal are formed with spherical particles 4-8 mn in diameter. The optical spectrum of nanoparticles is characterized by an increasing absorption in the UV spectral region with no maximum (epsilon(200) = 7.2 x 1030 l mol(-1) cm(-1)). The colloids of ruthenium in an aqueous solution are stable in the open air.
引用
收藏
页码：781 / 783
页数：3
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