Web Release Date: June 21,
Electric-Field-Assisted Assembly of Perpendicularly Oriented Nanorod Superlattices
and
Department of Chemistry, University of California, and Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720
Received April 18, 2006
Revised May 15, 2006
Abstract:
We observe the assembly of CdS nanorod superlattices by the combination of a DC electric field and solvent evaporation. In each electric-field
(1 V/
m) assisted assembly, CdS nanorods (5 nm × 30 nm) suspended initially in toluene were observed to align perpendicular to the substrate.
Azimuthal alignment along the nanorod crystal faces and the presence of stacking faults indicate that both 2D and 3D assemblies were
formed by a process of controlled super crystal growth.
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