In situ scanning tunneling microscopy studies of nanometer size palladium particles on highly oriented pyrolytic graphite

被引：23
|
作者：
Li, FL [1 ]
Zhang, BL [1 ]
Wang, EK [1 ]
Dong, SJ [1 ]
机构：
[1] CHINESE ACAD SCI,CHANGCHUN INST APPL CHEM,ELECTROANALYT CHEM LAB,CHANGCHUN 130022,PEOPLES R CHINA
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1997年 / 422卷 / 1-2期
关键词：
palladium; HOPG electrode; STM; XPS;
D O I：
10.1016/S0022-0728(96)04885-1
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A special electrodeposition process of palladium was studied by cyclic voltammetry, X-ray photoelectron spectroscopy (XPS) and in situ scanning tunneling microscopy (STM). A kind of palladium(IV) complex was attached to the highly oriented pyrolytic graphite (HOPG) electrode surface by electro-oxidation of palladium(II) complex first, and was then reduced to palladium particles. The surface complexes and particles of palladium were both characterized by in situ STM and XPS. The Pd particles are in the nanometer range of size and exhibit electrocatalytic activity towards the oxidation of hydrazine and hydroxylamine.
引用
收藏
页码：27 / 33
页数：7
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