Journal
NANO RESEARCH
Volume 4, Issue 5, Pages 494-504Publisher
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-011-0105-1
Keywords
Nanocrystals; Ce1-xZrxO2; size-dependent
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Funding
- General Motors (GM)
- National Science Foundation (NSF)
- National 863 Program [2009AA064803]
- Program of the Natural Science Foundation of China [50972104]
- Key Program of Tianjin Natural Science Foundation [09JCZDJC26600]
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Monodisperse Ce1-xZrxO2 nanocrystals have been synthesized using a simple two-phase approach; adjusting the ratio of precursors used, amount of capping agent used, reaction time and temperature affords precise control over their composition, structure and size. Size-dependent enhancement of oxygen-storage capacity and kinetics of oxygen storage and release were observed. Systematic studies were conducted in order to understand the size-dependent enhancement of these properties. This work provides important insights into the synthesis and fundamental understanding of multi-component nanocrystals with a large variety of applications.
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