Mesoporous palladium - the surface electrochemistry of palladium in aqueous sodium hydroxide and the cathodic reduction of nitrite

被引：58

作者：

Denuault, G ^{[1
]}

Milhano, C ^{[1
]}

Pletcher, D ^{[1
]}

机构：

[1] Univ Southampton, Dept Chem, Southampton SO17, Hants, England

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2005年 / 7卷 / 20期

关键词：

D O I：

10.1039/b508835f

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 voltammetry of nanostructured palladium layers electrodeposited from a hexagonal liquid crystal phase onto platinum microdiscs show well defined peaks for the adsorption/desorption of hydrogen and surface oxidation/reduction in 2 M NaOH. These peaks are more clearly resolved than at smooth palladium and reveal the complications associated with hydrogen adsorption/desorption on palladium in aqueous alkaline solutions. The reduction of nitrite at the nanostructured palladium is also reported and it is shown that it occurs via a mechanism involving a chemical reaction between adsorbed hydrogen and adsorbed nitrite ion.

引用

页码：3545 / 3551

页数：7

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