Fabrication of CeO2 nanotube supported Pt catalyst encapsulated with silica for high and stable performance

Chem Commun (Camb). 2015 Jun 18;51(48):9785-8. doi: 10.1039/c5cc02647d. Epub 2015 May 19.

Abstract

This communication describes the fabrication of Pt/CeO2 nanotube@SiO2 core-shell catalysts applied to highly efficient water-gas shift reaction, where the initial CO conversion is 30.2% at 250 °C. Pt/CeO2 nanotube@SiO2 core-shell catalysts show outstanding thermal stability, even after accelerated aging under reaction conditions at 450 °C for 6 h, and the morphology is also unchanged after thermal treatment at 800 °C.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Catalysis
  • Cerium / chemistry*
  • Hot Temperature
  • Microscopy, Electron, Transmission
  • Nanotubes / chemistry*
  • Nanotubes / ultrastructure
  • Platinum / chemistry*
  • Povidone / chemistry
  • Silicon Dioxide / chemistry*

Substances

  • Cerium
  • Platinum
  • ceric oxide
  • Silicon Dioxide
  • Povidone