Hydrothermal functionalisation of single-walled carbon nanotubes

被引:37
作者
Duesberg, GS
Graupner, R
Downes, P
Minett, A
Ley, L
Roth, S
Nicoloso, N
机构
[1] Infineon Technol AG, Corp Res, D-81739 Munich, Germany
[2] Univ Erlangen Nurnberg, Inst Tech Phys, D-91058 Erlangen, Germany
[3] Trinity Coll Dublin, Dept Mat Sci, Dublin 2, Ireland
[4] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany
[5] Deutsch Zentrum Luft & Raumfahrt, DLR, ITT, D-70569 Stuttgart, Germany
关键词
nanotubes; functionalisation; hydrothermal treatment;
D O I
10.1016/j.synthmet.2003.09.009
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Chemical functionalisation of single-walled carbon nanotubes (SWNTs) has been achieved by hydrothermal treatment (HT) in aqueous acidic solutions. Depending on the type of acid chlorine, bromine or sulphur could be attached to the conjugated pi-system. Apart from the well known effects of acid oxidation, X-ray and ultraviolet photoemission spectroscopy suggest that the halides are introduced at structurally/electronically disordered defect sites. Sulphur is incorporated in higher density, probably in a similar fashion as oxygen. HT thus provides an efficient tool to functionalise SWNTs and paves the way for new SWNT materials and synthetic routes in various polar media and electrolytes. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码:263 / 266
页数:4
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