Layer-by-layer assembly of colloidal particles deposited onto the polymer-grafted elastic substrate

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dc.creatorChen, Kang
dc.creatorMa, Yu-qiang
dc.date2006-11-04
dc.date.accessioned2026-07-07T07:31:13Z
dc.date.available2026-07-07T07:31:13Z
dc.descriptionWe demonstrate a novel route of spatially organizing the colloid arrangements on the polymer-grafted substrate by use of self-consistent field and density functional theories. We find that grafting of polymers onto a substrate can effectively control spatial dispersions of deposited colloids as a result of the balance between colloidal settling force and entropically elastic force of brushes, and colloids can form unexpected ordered structures on a grafting substrate. The depositing process of colloidal particles onto the elastic "soft" substrate includes two steps: brush-mediated one-dimensional arrangement of colloidal crystals and controlled layer-by-layer growth driven entropically by non-adsorbing polymer solvent with increasing the particles. The result indicates a possibility for the production of highly ordered and defect-free structures by simply using the grafted substrate instead of periodically patterned templates, under appropriate selection of colloidal size, effective depositing potential, and brush coverage density.
dc.identifierhttps://arxiv.org/abs/cond-mat/0611105
dc.identifierhttp://arxiv.org/abs/cond-mat/0611105
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/118671
dc.subjectSoft Condensed Matter
dc.titleLayer-by-layer assembly of colloidal particles deposited onto the polymer-grafted elastic substrate
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