Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 18, Issue 45, Pages 5518-5523Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b807412g
Keywords
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Funding
- EPSRC [EP/C511794]
- DTA
- Royal Society for a Wolfson Research
- University Research
- Centre for Materials Discovery for access to instrumentation
- Engineering and Physical Sciences Research Council [EP/C511794/1] Funding Source: researchfish
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The inverse spinel CoFe(2)O(4) is prepared as nanoparticles with a range of controlled sizes. Synthesis is performed using solvothermal and coprecipitation chemistry, and a two capping group coprecipitation procedure using oxalic acid and ethylenediamine or triethanolamine is shown to afford sub-10 nm, controlled size nanoparticles. A pronounced particle size-activity relationship is observed for CO oxidation catalysis for the studied range of particle sizes. In addition, these unsupported nanoparticle catalysts readily undergo activation during catalysis and exhibit both structural and performance stability under the test reaction conditions.
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