Structure and catalytic properties of a Cu2+-containing hydrogel of zirconium dioxide

被引：2

作者：

Kovaleva, EG ^{[1
]}

Molochnikov, LS

Kharchuk, VG

Kuznetsova, OV

Shishmakov, AB

Yanchenko, MY

Buldakova, LY

Zhdanov, IN

Mikushina, YV

Petrov, LA

机构：

[1] Ural State Forestry Engn Univ, Ekaterinburg, Russia

[2] Russian Acad Sci, Ural Div, Inst Organ Synth, Ekaterinburg, Russia

[3] Russian Acad Sci, Ural Div, Inst Solid State Chem, Ekaterinburg 620219, Russia

来源：

KINETICS AND CATALYSIS | 2004年 / 45卷 / 05期

关键词：

Oxidation; Copper; Dioxide; Zirconium; Catalysis;

D O I：

10.1023/B:KICA.0000044990.70426.92

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 distribution of Cu2+ ions in ZrO2 and sulfated ZrO2 hydrogel phases was studied by EPR spectroscopy and voltammetry. The formation of the following three types of copper structures was observed: mononuclear Cu2+ complexes (A), magnetic associates (B), and Cu2+ compounds (C) that gave no EPR signals under the conditions used in the spectroscopic measurements. The specific catalytic activity of various Cu2+ compounds in the liquid-phase reaction of 2,3,5-trimethyl-1,4-hydroquinone oxidation was determined. The copper complexes C were found to exhibit the highest catalytic activity.

引用

页码：752 / 758

页数：7

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