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Effects of particle sizes and dispersion media on micromolding of colloidal silica particles underneath top-gathering pillar patterns

Segawa, Hiroyo ; Tachiki, Shigeru ; Yano, Tetsuji ; Shibata, Shuichi

Materials science & engineering. B, Solid-state materials for advanced technology, 2009-04, Vol.161 (1), p.85-90 [Periódico revisado por pares]

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Título:
Effects of particle sizes and dispersion media on micromolding of colloidal silica particles underneath top-gathering pillar patterns
Autor: Segawa, Hiroyo ; Tachiki, Shigeru ; Yano, Tetsuji ; Shibata, Shuichi
Assuntos: Assembly ; Capillary force ; Convective force ; Molding
É parte de: Materials science & engineering. B, Solid-state materials for advanced technology, 2009-04, Vol.161 (1), p.85-90
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: Pyramidal assemblies of SiO 2particles were fabricated by micromolding underneath top-gathering pillar arrays. The particles were molded densely with the decrease of the particle size. The particles dispersed in ethanol were packed closely under a top-gathering pillar unit, although some particles remained on the substrate without molding. From the in situ observation of drying the ethanol suspension, it was found the particles were molded by the convective forces, which were generated by the flux during the evaporation of ethanol.
Editor: Elsevier B.V
Idioma: Inglês

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