title: Nanographite impurities of single-walled and double-walled carbon nanotubes are responsible for the observed "electrocatalytic" effect towards the reduction of azo groups.
authors.affiliation: Division of Chemistry & Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore.
authors.forename: Emma J E
authors.initials: EJ
authors.lastname: Stuart
authors.forename: Martin
authors.initials: M
authors.lastname: Pumera