The effect of the morphology of nanocrystalline CeO2 on ethanol reforming

Wei In Hsiao, Ya Shiuan Lin, Yu-Chie Chen*, Chi-Shen Lee

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

76 Scopus citations


CeO2 nanocrystals of cubic and rod shape have been synthesized under hydrothermal conditions on controlling the pH, temperature and duration of reaction. High-resolution transmission electron microscopy indicates that exposed crystal planes are {1 1 0} and {1 0 0} for rods but {1 0 0} for cubes. These nanocrystals have been used in the preparation of a Rh/CeO2 catalyst on an Al2O3 support to test the catalytic activity for ethanol reforming. These catalysts as prepared show good H2 selectivity compared to catalysts with irregular CeO2 nanoparticles. The {1 0 0}/{1 1 0}-dominant surface structures play a crucial role in enhancing ethanol reforming; this reaction is important for fuel-cell applications.

Original languageAmerican English
Pages (from-to)294-299
Number of pages6
JournalChemical Physics Letters
Issue number4-6
StatePublished - 25 Jun 2007


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