Carbon nanotubes contain metal impurities which are responsible for the "electrocatalysis" seen at some nanotube-modified electrodes.
Banks
Craig E
CE
Physical and Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QZ, UK.
Crossley
Alison
A
Salter
Christopher
C
Wilkins
Shelley J
SJ
Compton
Richard G
RG