Synthesis and characterization of Fe colloid catalysts in inverse micelle solutions

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We have studied the formation of Fe clusters in inverse micelles. We have characterized the clusters with respect to size with transmission electron microscopy (TEM) and with respect to chemical composition with Mossbauer spectroscopy, electron diffraction, and x-ray photoelectron spectroscopy (XPS). In addition, we have tested these iron based clusters for catalytic activity in a model hydrogenolysis reaction. The formation of ultra-small metal particles is of particular interest in the area of chemical catalysis. The clusters are high surface area, highly dispersed, unsupported materials. In addition, catalytic enhancement due to unique material properties (i.e. quantum size effects) is possible. Metal ... continued below

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15 p.

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Martino, A.; Stoker, M. & Hicks, M. October 1995.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 12 times . More information about this article can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

We have studied the formation of Fe clusters in inverse micelles. We have characterized the clusters with respect to size with transmission electron microscopy (TEM) and with respect to chemical composition with Mossbauer spectroscopy, electron diffraction, and x-ray photoelectron spectroscopy (XPS). In addition, we have tested these iron based clusters for catalytic activity in a model hydrogenolysis reaction. The formation of ultra-small metal particles is of particular interest in the area of chemical catalysis. The clusters are high surface area, highly dispersed, unsupported materials. In addition, catalytic enhancement due to unique material properties (i.e. quantum size effects) is possible. Metal clusters prepared by a number of techniques have been studied as potential catalysts. Reactant adsorption and the reactivity in various processes depends strongly on particle size. We are studying iron clusters as potential catalysts in hydrogenation reactions, Fischer-Tropsch synthesis, and coal liquefaction.

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15 p.

Notes

OSTI as DE96000786

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  • Coal liquefaction and gas conversion contractor review meeting, Pittsburgh, PA (United States), 29-31 Aug 1995

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  • Other: DE96000786
  • Report No.: SAND--95-2181C
  • Report No.: CONF-9508133--6
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 110734
  • Archival Resource Key: ark:/67531/metadc618932

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Office of Scientific & Technical Information Technical Reports

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  • October 1995

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  • June 16, 2015, 7:43 a.m.

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  • Feb. 1, 2016, 1:57 p.m.

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Martino, A.; Stoker, M. & Hicks, M. Synthesis and characterization of Fe colloid catalysts in inverse micelle solutions, article, October 1995; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc618932/: accessed December 14, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.