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Nanographite Impurities of Single‐Walled and Double‐Walled Carbon Nanotubes Are Responsible for the Observed “Electrocatalytic” Effect towards the Reduction of Azo Groups
Author(s) -
Stuart Emma J. E.,
Pumera Martin
Publication year - 2011
Publication title -
chemistry – an asian journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.18
H-Index - 106
eISSN - 1861-471X
pISSN - 1861-4728
DOI - 10.1002/asia.201000656
Subject(s) - carbon nanotube , impurity , electrochemistry , materials science , nanotechnology , carbon fibers , chemical engineering , electrode , chemistry , composite material , organic chemistry , composite number , engineering
Not all impurities are evil : We demonstrate here that the electrochemistry of single‐walled carbon nanotubes (SWCNTs) and double‐walled carbon nanotubes (DWCNTs) towards the reduction of azo groups is actually driven by the nanographite impurities within these CNTs. Put differently, most of the electrochemical activity of SWCNTs and DWCNTs towards the reduction of azo groups is due to the presence of the nanographite impurities contained within them.