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

被引：0

作者：

Seliverstov, A.F. ^{[1
]}

Sukhov, N.L. ^{[1
]}

Ershov, B.G. ^{[1
]}

机构：

[1] Inst. of Physical Chemistry, RAS, Leninskij pr. 31, Moscow, 119991, Russia

来源：

Kolloidnyj Zhurnal | 2002年 / 64卷 / 06期

关键词：

Radiation chemistry - Reduction - Ruthenium - Ruthenium compounds - Sols - Solutions - Ultraviolet spectroscopy;

D O I：

暂无

中图分类号：

学科分类号：

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 nm in diameter. The optical spectrum of nanoparticles is characterized by an increasing absorption in the UV spectral region with no maximum (Ε200 = 7.2 × 1030 l mol-1 cm-1). The colloids of ruthenium in an aqueous solution are stable in air.

引用

页码：858 / 860

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