Highly selective Pd/titanate nanotube catalysts for the double-bond migration reaction

Laura Torrente-Murciano, Alexei A. Lapkin, Dmitry V. Bavykin, Francesca C. Walsh, Karen Wilson

Research output: Contribution to journalArticlepeer-review


Pd(II) and Pd(0) catalysts supported onto titanate nanotubes (H2Ti3O7) were prepared by an ion-exchange technique. The catalysts are characterised by narrow size distribution of metal nanoparticles on the external surface of the nanotubes. Pd(II) catalysts show high selectivity toward double-bond migration reaction versus hydrogenation in linear olefins. The catalytic activity exhibits a volcano-type dependence on the metal loading, with the maximum activity observed at ca. 8 wt%. The Pd(II) was shown to be rapidly reduced to Pd(0) by appropriate choice of solvent. Prereduced Pd(0) catalysts were found to be less active toward double-bond migration and more selective toward hydrogenation. The DBM reaction was faster in protic solvents, such as methanol or ethanol. © 2006 Elsevier Inc. All rights reserved.
Original languageEnglish
Pages (from-to)272-278
Number of pages7
JournalJournal of Catalysis
Issue number2
Early online date17 Nov 2006
Publication statusPublished - 25 Jan 2007


  • titanate nanotubes
  • double-bond migration
  • olefin isomerisation


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