Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/242035
Type: Artigo
Title: Ambient solid-state mechano-chemical reactions between functionalized carbon nanotubes
Author: 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.
Abstract: 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.
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.
Subject: Nanotubos de carbono
Fulerenos
Bioquímica
Nanotecnologia
Biotecnologia
Country: Reino Unido
Editor: Nature Publishing Group
Citation: Ambient Solid-state Mechano-chemical Reactions Between Functionalized Carbon Nanotubes. Nature Publishing Group, v. 6, p. JUN-2015.
Rights: aberto
Identifier DOI: 10.1038/ncomms8291
Address: https://www.nature.com/articles/ncomms8291
Date Issue: 2015
Appears in Collections:IFGW - Artigos e Outros Documentos

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