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
Show full list: 9 authors
Publication typeJournal Article
Publication date2008-10-21
scimago Q1
SJR5.489
CiteScore24.4
Impact factor14.4
ISSN00027863, 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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