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ACS Nano. 2009 Jul 28;3(7):1775-80. doi: 10.1021/nn900364g. Epub 2009 Jun 3.

Polyhedral maghemite nanocrystals prepared by a flame synthetic method: preparations, characterizations, and catalytic properties.

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  • 1Institute of Chemistry, CAS, Bei Yi Jie 2, Zhong Guan Cun, 100190 Beijing, China.


Highly uniformed polyhedral γ-Fe(2)O(3) nanocrystals are prepared via a flame synthesis method by directly combusting the organic solution of iron-precursor. Systematic investigations reveal that the polyhedral γ-Fe(2)O(3) nanocrystals are 26-facet particles enclosed by six {100}, eight {111}, and twelve {110} facets, and these 26-facet γ-Fe(2)O(3) nanocrystals present excellent catalytic activities associated with their polyhedral structures.

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