Multicomponent Metallic Impurities and Their Influence upon the Electrochemistry of Carbon Nanotubes

被引：134

作者：

Pumera, Martin ^{[1
,2
]}

Iwai, Hideo ^{[3
]}

机构：

[1] Natl Inst Mat Sci, Int Ctr Mat Nanoarchitecton, Tsukuba, Ibaraki 3050044, Japan

[2] Natl Inst Mat Sci, Ctr Biomat, Tsukuba, Ibaraki 3050044, Japan

[3] Natl Inst Mat Sci, Mat Anal Stn, Tsukuba, Ibaraki 3050047, Japan

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2009年 / 113卷 / 11期

关键词：

MICROCHIP CAPILLARY-ELECTROPHORESIS; ELECTRON-TRANSFER; NITRIC-ACID; TUBE ENDS; GROWTH; OXIDATION; GRAPHITE; ELECTROCATALYSIS; NANOPARTICLES; PURIFICATION;

D O I：

10.1021/jp900069e

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：

Multicomponent metallic residual catalyst impurities, which are present within carbon nanotubes even after their purification with mineral acid, are responsible for the observed "electrocatalytic" oxidation of hydrazine on carbon nanotubes. We demonstrate that in the case where multicomponent Co/Mo/Fe impurities are present within double-walled carbon nanotubes (DWCNTs), all three impurity components govern the electrochemical response of DWCNTs toward the oxidation of hydrazine.

引用

页码：4401 / 4405

页数：5

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