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  • Title: Particle-particle interactions between layered double hydroxide nanoparticles.
    Author: Gursky JA, Blough SD, Luna C, Gomez C, Luevano AN, Gardner EA.
    Journal: J Am Chem Soc; 2006 Jul 05; 128(26):8376-7. PubMed ID: 16802784.
    Abstract:
    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.
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