Replication of SMSI via ALD: TiO2 Overcoats Increase Pt-Catalyzed Acrolein Hydrogenation Selectivity

Robert M. Kennedy, Lawrence A. Crosby, Kunlun Ding, Christian P. Canlas, Ahmet Gulec, Laurence D. Marks, Jeffrey W. Elam, Christopher L. Marshall, Kenneth R. Poeppelmeier, Peter C. Stair

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The effects of sub-nanometer atomic layer deposition films of titania and alumina are compared for the acrolein hydrogenation selectivity of Pt/SrTiO3 catalysts. The titania-overcoated catalyst is similar to strong metal-support interaction catalysts formed by high temperature reduction, with a thin titania film on top of the supported Pt nanoparticles and an increase in allyl alcohol selectivity, neither of which are observed for the alumina-overcoated catalyst. Graphical Abstract: [Figure not available: see fulltext.].

Original languageEnglish
Pages (from-to)2223-2232
Number of pages10
JournalCatalysis Letters
Volume148
Issue number8
DOIs
Publication statusPublished - Aug 1 2018

Keywords

  • Acrolein
  • Atomic layer deposition
  • Nanocrystal support
  • Platinum
  • SMSI
  • Selective hydrogenation
  • SrTiO
  • Strong metal support interaction

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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    Kennedy, R. M., Crosby, L. A., Ding, K., Canlas, C. P., Gulec, A., Marks, L. D., Elam, J. W., Marshall, C. L., Poeppelmeier, K. R., & Stair, P. C. (2018). Replication of SMSI via ALD: TiO2 Overcoats Increase Pt-Catalyzed Acrolein Hydrogenation Selectivity. Catalysis Letters, 148(8), 2223-2232. https://doi.org/10.1007/s10562-018-2458-5