Simple Cubic Super Crystals Containing PbTe Nanocubes and Their Core-Shell Building Blocks

被引：79

作者：

Zhang, Jun ^{[1
]}

Kumbhar, Amar ^{[2
]}

He, Jibao ^{[3
]}

Das, Narayan Chandra ^{[4
]}

Yang, Kaikun ^{[4
]}

Wang, Jian-Qing ^{[5
]}

Wang, Howard ^{[4
]}

Stokes, Kevin L. ^{[6
]}

Fang, Jiye ^{[1
]}

机构：

[1] SUNY Binghamton, Dept Chem, Binghamton, NY 13902 USA

[2] Clemson Univ, Electron Microscope Facil, Anderson, SC 29625 USA

[3] Tulane Univ, Coordinated Instrumentat Facil, New Orleans, LA 70118 USA

[4] SUNY Binghamton, Dept Mech Engn, Binghamton, NY 13902 USA

[5] SUNY Binghamton, Dept Phys, Binghamton, NY 13902 USA

[6] Univ New Orleans, Dept Phys, New Orleans, LA 70148 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2008年 / 130卷 / 45期

关键词：

D O I：

10.1021/ja806120w

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

引用

页码：15203 / 15209

页数：7

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