Ambient solid-state mechano-chemical reactions between functionalized carbon nanotubes

Carbon nanotubes can be chemically modified by attaching various functionalities to their surfaces, although harsh chemical treatments can lead to their break-up into graphene nanostructures. On the other hand, direct coupling between functionalities bound on individual nanotubes could lead to, as y...

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Bibliographic Details
Published in:Nature communications 2015-06, Vol.6 (1), p.7291, Article 7291
Main Authors: Kabbani, Mohamad A, Tiwary, Chandra Sekhar, Autreto, Pedro A S, Brunetto, Gustavo, Som, Anirban, Krishnadas, K R, Ozden, Sehmus, Hackenberg, Ken P, Gong, Yongi, Galvao, Douglas S, Vajtai, Robert, Kabbani, Ahmad T, Pradeep, Thalappil, Ajayan, Pulickel M
Format: Article
Language:English
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Summary:Carbon nanotubes can be chemically modified by attaching various functionalities to their surfaces, although harsh chemical treatments can lead to their break-up into graphene nanostructures. On the other hand, direct coupling between functionalities bound on individual nanotubes could lead to, as yet unexplored, spontaneous chemical reactions. Here we report an ambient mechano-chemical reaction between two varieties of nanotubes, carrying predominantly carboxyl and hydroxyl functionalities, respectively, facilitated by simple mechanical grinding of the reactants. The purely solid-state reaction between the chemically differentiated nanotube species produces condensation products and unzipping of nanotubes due to local energy release, as confirmed by spectroscopic measurements, thermal analysis and molecular dynamic simulations.
ISSN:2041-1723
2041-1723
DOI:10.1038/ncomms8291