Platinum Nanoclusters (IMAGE)

DOE/Lawrence Berkeley National Laboratory

Platinum Nanoclusters

Caption

In these STM images of a platinum catalyst, (A) shows the terraced the surface under ultrahigh vacuum, (B) as the surface is covered with carbon monoxide and pressure increases, the terraces widen (C) when coverage is complete and press reaches one torr, the terraces fracture into nanoclusters (D) enlarged view shows triangular shape of the nanoclusters, two of which are marked by red lines.

Credit

(Image courtesy of Berkeley Lab Somorjai and Salmeron, et. al)

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