title: Enhanced electrocatalytic stability of platinum nanoparticles supported on a nitrogen-doped composite of carbon nanotubes and mesoporous titania under oxygen reduction conditions.
abstract: Cheers for titania: An N-doped composite of carbon nanotubes (CNTs) and mesoporous TiO(2) is used as support for Pt nanoparticles applied in the oxygen reduction reaction. The composite Pt/N-TiO(2) -CNT shows a higher stability than Pt particles on carbon black or N-doped CNTs, as indicated by accelerated stress tests of up to 2000 cycles. The enhanced stability is attributed to strong interactions between TiO(2) and Pt and a higher corrosion resistance of TiO(2) as well as CNTs.
authors.affiliation: Analytische Chemie-Elektroanalytik und Sensorik, Center for Electrochemical Sciences-CES, Ruhr-Univeristät Bochum, Bochum, Germany.
authors.forename: Justus
authors.initials: J
authors.lastname: Masa
authors.forename: Ankur
authors.initials: A
authors.lastname: Bordoloi
authors.forename: Martin
authors.initials: M
authors.lastname: Muhler
authors.forename: Wolfgang
authors.initials: W
authors.lastname: Schuhmann
authors.forename: Wei
authors.initials: W
authors.lastname: Xia
mesh_terms: D002384:Catalysis; D055664:Electrochemical Techniques / Q000379:methods; D053768:Metal Nanoparticles / Q000737:chemistry*; D008855:Microscopy, Electron, Scanning; D046529:Microscopy, Electron, Transmission; D053761:Nanocomposites / Q000737:chemistry* / Q000648:ultrastructure; D010084:Oxidation-Reduction; D010100:Oxygen / Q000737:chemistry*; D010984:Platinum / Q000737:chemistry*; D014025:Titanium / Q000737:chemistry*
chemical_list: C009495:titanium dioxide; D010984:Platinum; D014025:Titanium; D010100:Oxygen