Volume 90 Issue 9 | p. 53 | Concentrates
Issue Date: February 27, 2012

Catalytic Particles Feature Spatial-Activity Hot Spots

Microscopy method reveals that nanorod catalytic activity varies regionally across the surface of individual crystal facets
Department: Science & Technology
Keywords: catalysis, facets, single-molecule fluorescence, nanorod, gold

The level of catalytic activity mediated by one type of crystal facet can vary across the surface of that facet and also among several facets of a single type. This finding by Cornell University chemists suggests that knowing the surface structure of crystalline catalyst particles alone is not sufficient for predicting activity (Nat. Nanotechnol., DOI: 10.1038/nnano.2012.18). Decades ago, researchers found that some crystal facets, or . . .

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