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J Nanosci Nanotechnol ; 11(3): 2528-32, 2011 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-21449418

RESUMEN

A spin-coating method was applied for the first time to prepare a colloid monolayer on the optical crossed gratings used as a template. Four polystyrene colloids of various nominal sizes and different surface charges were spin-coated on templates with periods matched to the particles size. Three types of coverage were described depending on the spin-coating parameters and particles type. The optimal coverage was obtained for all four particles sizes. A way of finding the right spin-coating parameters was proposed. The analysis of a coverage capability of polystyrene particles showed that neutral particles have the highest ability to order on the templates used. Large monolayered areas of ordered particles were used as a lithographic mask for generating a pattern of gold nanoparticles with a square symmetry. A few hundred square micrometers large, continuous and fully defect-free areas of gold nanoparticles were produced on the nearly entire surface of the templated substrates.


Asunto(s)
Oro/química , Nanoestructuras/química , Nanoestructuras/ultraestructura , Nanotecnología/instrumentación , Poliestirenos/química , Resonancia por Plasmón de Superficie/instrumentación , Cristalización/métodos , Diseño de Equipo , Análisis de Falla de Equipo , Ensayo de Materiales , Tamaño de la Partícula , Rotación
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