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Exfoliation of Single‐Walled Carbon Nanotubes by Electrochemical Treatment in a Nitric Acid
Author(s) -
Kim H.J.,
Jeon K.K.,
An K.H.,
Kim C.,
Heo J.G.,
Lim S.C.,
Bae D.J.,
Lee Y.H.
Publication year - 2003
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200304942
Subject(s) - carbon nanotube , materials science , exfoliation joint , supercapacitor , intercalation (chemistry) , nanotechnology , nitric acid , electrochemistry , electrode , nanotube , electrolysis , graphene , composite material , inorganic chemistry , electrolyte , metallurgy , chemistry
Single‐walled carbon nanotube (SWNT) bundles have been dispersed by an electrolysis method. Intercalation of bundles by NO 3 – widens locally the inter‐tube spacing. Bundles are nanodispersed into individual nanotubes after deintercalation (see Figure). This method could be used to fabricate electrodes for high‐capacity batteries and supercapacitors.