Surface modification of multiwalled carbon nanotubes by poly(2-vinylpyridine): Dispersion, selective deposition, and decoration of the nanotubes

Xudong Lou, Christophe Detrembleur, Christophe Pagnoulle, Robert Jérôme, Vera Bocharova, Anton Kiriy, Manfred Stamm

Research output: Contribution to journalArticlepeer-review

120 Scopus citations

Abstract

The reaction of sp2-hybridized carbons of CNTs with poly(2-vinylpyridine) (poly2VP) chains terminated with the 2,2,6,6- tetramethylpiperidinyl-1-oxyl (TEMPO) radical-stabilizing group is reported. The modified CNTs are recovered by filtration through a 0.2 μm teflon membrane. CNT-g-P2VP is dispersed in acidic water in order to completely remove possible traces of non-grafted poly2VP chains. It is observed that the positively charged poly2VP shell is responsible for the selective deposition of CNTs onto oppositely charged surfaces.

Original languageEnglish
Pages (from-to)2123-2127
Number of pages5
JournalAdvanced Materials
Volume16
Issue number23-24
DOIs
StatePublished - Dec 27 2004
Externally publishedYes

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