Particle-particle interactions between layered double hydroxide nanoparticles

被引:219
作者
Gursky, Jennifer A. [1 ]
Blough, Sandra D. [1 ]
Luna, Cesar [1 ]
Gomez, Clarissa [1 ]
Luevano, Amber N. [1 ]
Gardner, Elizabeth A. [1 ]
机构
[1] Univ Texas, Dept Chem, El Paso, TX 79968 USA
关键词
D O I
10.1021/ja0612100
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Changes in chemical properties of nanoscale particles include quantum size effect, changes in the cell parameters and lattice symmetry, and surface and interface effects. In the case of layered double hydroxides (LDHs), surface and interface effects dominate for nanoparticles of MgAl LDHs. Using TEM micrographs of nanoparticle-sized LDHs, we have found that the increased number of surface atoms relative to the internal atoms increases the surface-to-surface interparticle attractions. As a result, nanosize LDH particles are able to form continuous oriented films that adhere well to a polar substrate. Copyright © 2006 American Chemical Society.
引用
收藏
页码:8376 / 8377
页数:2
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