Monodisperse BaF2 Nanocrystals: Phases, Size Transitions, and Self-Assembly

被引：41
|
作者：
Xie, Ting [1 ]
Li, Shuai [1 ]
Peng, Qing [1 ]
Li, Yadong [1 ]
机构：
[1] Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2009年 / 48卷 / 01期
关键词：
crystal engineering; kinetics; nanostructures; phase transitions; self-assembly; CDSE NANOCRYSTALS; SHAPE CONTROL; NANOPARTICLES; SUPERLATTICES; MODEL; MICROEMULSION; ORGANIZATION; EVOLUTION; NANOCUBES; CRYSTALS;
D O I：
10.1002/anie.200804528
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
(Figure Presented) BaF2fled no more: Monodisperse cubic-and orthorhombic-phase BaF2 nanocrystals were formed readily by the liquid-solid-solution approach. Nucleus growth of BaF2 occurs under kinetic control, whereby their size and morphology depend greatly on the ripening time and concentration of surfactants (see scheme). The phase of the BaF2 crystals is under thermodynamic control. © 2009 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码：196 / 200
页数：5
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