Metal tips on pyramid-shaped PbSe/CdSe/CdS heterostructure nanocrystal photocatalysts: study of Ostwald ripening and core/shell formation

CHEMICAL COMMUNICATIONS, pp. 1719-1721, 2014.

Cited by: 13|Views1
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Abstract:

We report ripening of metal particles anchored on pyramid-shaped heterostructure nanocrystals. The `intra-particle' ripening results in a large metal tip at one corner with the other three tips vanishing. Investigation reveals that the ripening and core/shell formation affects photocatalytic activities via the Fermi level change.

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