Synthesis and Self-Assembly of Triangular and Hexagonal CdS Nanocrystals

CdS nanocrystals with cubic, triangular, and hexagonal geometries have been synthesized using simple wet‐chemistry techniques. Analysis of the crystal structures revealed that the cubic nanocrystals have a zinc‐blende crystal structure whilst the triangular and hexagonal CdS nanocrystals have a wurt...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2005-12, Vol.17 (24), p.2997-3001
Main Authors: Warner, J. H., Tilley, R. D.
Format: Article
Language:English
Subjects:
Crystal growth
Nanocrystals
Self-assembly
Wurtzite
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Summary:CdS nanocrystals with cubic, triangular, and hexagonal geometries have been synthesized using simple wet‐chemistry techniques. Analysis of the crystal structures revealed that the cubic nanocrystals have a zinc‐blende crystal structure whilst the triangular and hexagonal CdS nanocrystals have a wurtzite crystal structure. When dried, these CdS nanocrystals self‐assemble to form complex structures such as linear rods (see Figure), nanoarrows and dimers.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200501016