Super-washing does not leave single walled carbon nanotubes iron-free

被引：71

作者：

Jurkschat, Kerstin

Ji, Xiaobo

Crossley, Alison

Compton, Richard G.

Banks, Craig E.

机构：

[1] Univ Oxford, Dept Mat, Oxford OX1 3PH, England

[2] Univ Oxford, Phys & Theoret Chem Lab, Oxford OX1 3QZ, England

[3] Nottingham Trent Univ, Sch Biomed & Nat Sci, Nottingham NG11 8NS, England

来源：

ANALYST | 2007年 / 132卷 / 01期

关键词：

D O I：

10.1039/b615824b

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

We demonstrate with transmission electron microscopy and X-ray photoelectron spectroscopy that single-walled carbon nanotubes contain significant amounts of iron in the form of Fe3O4, which even after acid washing, is not removed.

引用

页码：21 / 23

页数：3

共 23 条

[1] Single-wall carbon nanotube paste electrodes: a comparison with carbon paste, platinum and glassy carbon electrodes via cyclic voltammetric data [J].

Antiochia, R ;

Lavagnini, I ;

Magno, F ;

Valentini, T ;

Palleschi, G .

ELECTROANALYSIS, 2004, 16 (17) :1451-1458

[2] Carbon nanotubes contain metal impurities which are responsible for the "electrocatalysis" seen at some nanotube-modified electrodes [J].

Banks, CE ;

Crossley, A ;

Salter, C ;

Wilkins, SJ ;

Compton, RG .

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2006, 45 (16) :2533-2537

[3] New electrodes for old: from carbon nanotubes to edge plane pyrolytic graphite [J].

Banks, CE ;

Compton, RG .

ANALYST, 2006, 131 (01) :15-21

[4] Exploring the electrocatalytic sites of carbon nanotubes for NADH detection: an edge plane pyrolytic graphite electrode study [J].

Banks, CE ;

Compton, RG .

ANALYST, 2005, 130 (09) :1232-1239

[5] Electrocatalysis at graphite and carbon nanotube modified electrodes: edge-plane sites and tube ends are the reactive sites [J].

Banks, CE ;

Davies, TJ ;

Wildgoose, GG ;

Compton, RG .

CHEMICAL COMMUNICATIONS, 2005, (07) :829-841

[6] Investigation of modified basal plane pyrolytic graphite electrodes: definitive evidence for the electrocatalytic properties of the ends of carbon nanotubes [J].

Banks, CE ;

Moore, RR ;

Davies, TJ ;

Compton, RG .

CHEMICAL COMMUNICATIONS, 2004, (16) :1804-1805

[7]

Briggs D., 1990, PRACTICAL SURFACE AN

[8] Apparent 'electrocatalytic' activity of multiwalled carbon nanotubes in the detection of the anaesthetic halothane: occluded copper nanoparticles [J].

Dai, Xuan ;

Wildgoose, Gregory G. ;

Compton, Richard G. .

ANALYST, 2006, 131 (08) :901-906

[9] Electrochemical storage of energy in carbon nanotubes and nanostructured carbons [J].

Frackowiak, E ;

Béguin, F .

CARBON, 2002, 40 (10) :1775-1787

[10] Single wall carbon nanotube supports for portable direct methanol fuel cells [J].

Girishkumar, G ;

Hall, TD ;

Vinodgopal, K ;

Kamat, PV .

JOURNAL OF PHYSICAL CHEMISTRY B, 2006, 110 (01) :107-114

← 1 2 3 →