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Nano Lett. 2010 Aug 11;10(8):3028-36. doi: 10.1021/nl101482q.

Epitaxial CdSe-Au nanocrystal heterostructures by thermal annealing.

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1
Istituto Italiano di Tecnologia, via Morego 30, 16163 Genova, Italy.

Abstract

The thermal evolution of a collection of heterogeneous CdSe-Au nanosystems (Au-decorated CdSe nanorods, networks, vertical assemblies) prepared by wet-chemical approaches was monitored in situ in the transmission electron microscope. In contrast to interfaces that are formed during kinetically controlled wet chemical synthesis, heating under vacuum conditions results in distinct and well-defined CdSe/Au interfaces, located at the CdSe polar surfaces. The high quality of these interfaces should make the heterostructures more suitable for use in nanoscale electronic devices.

PMID:
20698616
DOI:
10.1021/nl101482q
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