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Justus Masa, Dr. Ankur Bordoloi, Prof. Dr. Martin Muhler, Prof. Dr. Wolfgang Schuhmann and Dr. Wei Xia Enhanced Electrocatalytic Stability of Platinum Nanoparticles Supported on a Nitrogen-Doped Composite of Carbon Nanotubes and Mesoporous Titania under Oxygen Reduction Conditions ChemSusChem 5

Article first published online: 29 FEB 2012 | DOI: 10.1002/cssc.201100643

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Cheers for titania: An N-doped composite of carbon nanotubes (CNTs) and mesoporous TiO2 is used as support for Pt nanoparticles applied in the oxygen reduction reaction. The composite Pt/N-TiO2-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 TiO2 and Pt and a higher corrosion resistance of TiO2 as well as CNTs.

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