Kinetics of oriented aggregation

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Oriented aggregation is a special case of aggregation that provides an important route by which nanocrystals grow, defects are formed, and unique, often symmetry-defying, crystal morphologies are produced. This growth mechanism involves the irreversible and crystallographically specific self-assembly of primary nanocrystals and results in the formation of new single crystals, twins, and intergrowths. This paper presents a molecular model for the mechanism of oriented aggregation. This model involves a rapid equilibrium for the association and dissociation of nanocrystals and an irreversible conversion of associated nanocrystals for producing oriented aggregates.

Original languageEnglish (US)
Pages (from-to)12707-12712
Number of pages6
JournalJournal of Physical Chemistry B
Issue number34
StatePublished - Aug 26 2004


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