title: Aligned carbon nanotubes with built-in FeN4 active sites for electrocatalytic reduction of oxygen.
abstract: The electrocatalytic site FeN4, which is active towards the oxygen reduction reaction, is incorporated into the graphene layer of aligned carbon nanotubes prepared through a chemical vapour deposition process, as is confirmed by X-ray absorption spectroscopy and other characterization techniques.
authors.affiliation: Chemical Sciences & Engineering Division, Argonne National Laboratory, 9700 South Cass Ave., Argonne, IL 60439, USA.
authors.forename: Junbing
authors.initials: J
authors.lastname: Yang
authors.forename: Di-Jia
authors.initials: DJ
authors.lastname: Liu
authors.forename: Nancy N
authors.initials: NN
authors.lastname: Kariuki
authors.forename: Lin X
authors.initials: LX
authors.lastname: Chen