Artículos de revistas
Ambient Solid-state Mechano-chemical Reactions Between Functionalized Carbon Nanotubes
Registro en:
Ambient Solid-state Mechano-chemical Reactions Between Functionalized Carbon Nanotubes. Nature Publishing Group, v. 6, p. JUN-2015.
2041-1723
WOS:000357171100005
10.1038/ncomms8291
Autor
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.
Institución
Resumen
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) 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. 6
US Department of Defense: US Air Force of Scientific Research [FA9550-12-1-0035] Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Nano Mission, Government of India Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) FAPESP [2013/08293-7]