Journal of the American Chemical Society, volume 130, issue 45, pages 15203-15209
Simple Cubic Super Crystals Containing PbTe Nanocubes and Their Core−Shell Building Blocks
Jun Zhang
1
,
Amar Kumbhar
1
,
J. He
1
,
Narayan Das
1
,
Kaikun Yang
1
,
Jian-Qing Wang
1
,
Howard Wang
1
,
Kevin L. Stokes
1
,
Jiye Fang
1
Publication type: Journal Article
Publication date: 2008-10-21
scimago Q1
SJR: 5.489
CiteScore: 24.4
Impact factor: 14.4
ISSN: 00027863, 15205126
PubMed ID:
18937469
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
We report a preparation of high-quality cubic PbTe nanocrystals and their assembly into both square-array, two-dimensional patterns and three-dimensional simple cubic super crystals. The influence of oleylamine in the nanocrystal synthesis and core-shell formation through an anion-exchange mechanism was also studied. The simple cubic super crystals together with two-dimensional assembly patterns containing PbTe nanocubes and their core-shell building blocks were examined using TEM, SEM, AFM, XRD, SAXS, and FTIR. Such super crystals consisting of cubic structural building blocks may allow engineering of more complex materials from which novel properties may emerge.
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