Fe x O y @C Spheres as an Excellent Catalyst for Fischer−Tropsch Synthesis

We demonstrate a one-pot hydrothermal cohydrolysis−carbonization process using glucose and iron nitrate as starting materials for the fabrication of carbonaceous spheres embedded with iron oxide nanoparticles. It is verified by TEM, 57Fe Mössbauer, and Fe K-edge XAS that iron oxide nanoparticles ar...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2010-01, Vol.132 (3), p.935-937
Main Authors: Yu, Guobin, Sun, Bo, Pei, Yan, Xie, Songhai, Yan, Shirun, Qiao, Minghua, Fan, Kangnian, Zhang, Xiaoxin, Zong, Baoning
Format: Article
Language:English
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Summary:We demonstrate a one-pot hydrothermal cohydrolysis−carbonization process using glucose and iron nitrate as starting materials for the fabrication of carbonaceous spheres embedded with iron oxide nanoparticles. It is verified by TEM, 57Fe Mössbauer, and Fe K-edge XAS that iron oxide nanoparticles are highly dispersed in the carbonaceous spheres, leading to a unique microstructure. A formation mechanism is also proposed. This route is also applicable to a range of other naturally occurring saccharides and metal nitrates. A catalytic study revealed the remarkable stability and selectivity of the reduced Fe x O y @C spheres in the Fischer−Tropsch synthesis, which clearly exemplifies the promising application of such materials.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja906370b