PerspectivePhysics

The Active Site in Nanoparticle Gold Catalysis

Science  08 Oct 2004:
Vol. 306, Issue 5694, pp. 234-235
DOI: 10.1126/science.1104246

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Summary

The catalysts currently used in automobile exhausts are inactive below 200ºC, so that most vehicle pollution occurs just after start-up. Low-temperature gold-based catalysts, in which gold nanoparticles are dispersed on an oxide support, provide a potential solution. In his Perspective, Campbell discusses new work by Chen and Goodman that takes an important step toward characterizing the active site of these gold-based catalysts.

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