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	<title>Lehigh Research News &#187; catalysis</title>
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		<title>Creative Catalysis with Paul Dimick</title>
		<link>http://www.lehigh-research.org/spotlight/grr-spotlight-creative-catalysis-with-paul-dimick/</link>
		<comments>http://www.lehigh-research.org/spotlight/grr-spotlight-creative-catalysis-with-paul-dimick/#comments</comments>
		<pubDate>Tue, 17 Nov 2009 19:43:52 +0000</pubDate>
		<dc:creator>Sarah Stanlick</dc:creator>
				<category><![CDATA[GRR Spotlight]]></category>
		<category><![CDATA[catalysis]]></category>
		<category><![CDATA[global warming]]></category>

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		<description><![CDATA[Recently, cutting-edge work by Paul Dimick, a fifth year doctoral student in Chemical Engineering, led to a structural understanding of a synergistic low-temperature bimetallic catalyst. By using a surface-tailored microstructure that makes nitric oxide dissociation more efficient, Paul—with the help of his research group and his advisor, Dr. Charles Lyman of Materials Science and Engineering—developed a strategy for minimizing nitrous oxide production with enhanced catalytic activity.

The end result of this novel nanoparticle tailoring is a selective bimetallic platinum-rhodium catalyst five times more active than platinum alone. This translates to being able to use five times less catalyst—and five times less precious metal during low-temperature nitric oxide reduction with hydrogen. As Paul puts it, “It’s amazing that such small changes in metal composition have such a huge impact on performance.”]]></description>
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