Supported nanoparticle catalysts manufactured using caged catalyst atoms
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United States of America Patent
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May 3, 2011
Grant Date -
Feb 21, 2008
app pub date -
Sep 15, 2005
filing date -
Sep 15, 2005
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Abstract
Nanoparticle catalysts are manufactured by first preparing a solution of a solvent and a plurality of complexed and caged catalyst atoms. Each of the complexed and caged catalyst atoms has at least three organic ligands forming a cage around the catalyst atom. The complexed and caged catalyst atoms are reduced to form a plurality of nanoparticles. During formation of the nanoparticles, the organic ligands provide spacing between the catalyst atoms via steric hindrances and/or provide interactions with a support material. The spacing and interactions with the support material allow formation of small, stable, and uniform nanoparticles.
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