CERIUM DIOXIDE NANOPARTICLES AND METHODS FOR THEIR PREPARATION AND USE
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United States of America Patent
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Dec 1, 2016
app pub date -
Feb 7, 2014
filing date -
Feb 7, 2014
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Nanoparticles and methods for their preparation are described. Porous CeO2 nanoparticles may be made by contacting Ce(NO)3 with a base to form a mixture, and converting the mixture into a composition including one or more porous CeO2 nanoparticles. Nanoparticles may be made by contacting Ce(NO3)3 with a base to form a mixture including the nanoparticles. Porous CeO, nanoparticles may have a high oxygen vacancy concentration, a high specific surface area, a high oxygen storage capacity, and/or a high specific Ce−3+ ratio. The porous CeO2 nanoparticles may he used as a co-catalyst in a catalyst system or as a catalyst carrier.
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