Size Selection During Crystallization of Oppositely Charged Nanoparticles

Opposites attract (selectively): Oppositely charged nanoparticles characterized by different size distributions form 3D supracrystals (see figure) only if the distributions overlap. Crystal quality decreases rapidly with decreasing degree of overlap, and, irrespective of the ratio of particle diamet...

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Bibliographic Details
Published in:Chemistry : a European journal 2009-02, Vol.15 (9), p.2032-2035
Main Authors: Kowalczyk, Bartlomiej, Kalsin, Alexander M., Orlik, Rafal, Bishop, Kyle J. M., Patashinskii, Alexander Z., Mitus, Antoni, Grzybowski, Bartosz A.
Format: Article
Language:English
Subjects:
Algorithms
Crystallization
crystals
Electrochemistry
electrostatic interactions
Fatty Acids - chemistry
Gold - chemistry
lattice invariants
Models, Molecular
Molecular Structure
nanoparticles
Nanoparticles - chemistry
Nanoparticles - ultrastructure
Quaternary Ammonium Compounds - chemistry
self‐assembly
Silver - chemistry
Sulfhydryl Compounds - chemistry
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Summary:Opposites attract (selectively): Oppositely charged nanoparticles characterized by different size distributions form 3D supracrystals (see figure) only if the distributions overlap. Crystal quality decreases rapidly with decreasing degree of overlap, and, irrespective of the ratio of particle diameters/charges, no crystals are observed for non‐overlapping distributions. Opposites attract (selectively): Oppositely charged nanoparticles characterized by different size distributions form 3D supracrystals (see figure) only if the distributions overlap. Crystal quality decreases rapidly with decreasing degree of overlap, and, irrespective of the ratio of particle diameters/charges, no crystals are observed for non‐overlapping distributions.
ISSN:0947-6539
1521-3765
DOI:10.1002/chem.200802334