An Efficient Route to Mesoporous Silica Films with Perpendicular Nanochannels

Nagarajan, S. and Li, M. and Pai, R. A. and Bosworth, J. K. and Busch, P. and Smilgies, D.-M. and Ober, C. K. and Russell, T. P. and Watkins, J. J.. (2008) An Efficient Route to Mesoporous Silica Films with Perpendicular Nanochannels. Advanced Materials, 20 (2). pp. 246-251. ISSN 09359648

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Abstract

Mesoporous silica films with cylindrical pores oriented normal to the substrate are prepared by selective deposition of silica within the poly(hydroxy styrene) domains of poly(-methyl styrene-b- hydroxy styrene) template films using supercritical carbon dioxide as a delivery medium. Atomic force microscopy, electron microscopy, and grazing incidence small angle X-ray scattering (see figure) studies confirm the vertical alignment of the cylindrical pores.

Item Type: Article
InterNano Taxonomy: Nanoscale Objects and Nanostructured Materials > Nanostructured Materials > Block copolymers
Nanomanufacturing Characterization Techniques > Scanning Probe Microscopy > Atomic force microscopy (AFM)
Nanoscale Objects and Nanostructured Materials > Nanocomposites > Thin films
Nanomanufacturing Characterization Techniques > Scanning Electron Microscopy (SEM)
Collections: Nanomanufacturing Research Collection > Nanomanufacturing Nanoscale Science and Engineering Centers > Center for Hierarchical Manufacturing
Nanomanufacturing Research Collection
Depositing User: Moureen Kemei
Date Deposited: 27 Jan 2010 20:32
Last Modified: 19 Sep 2011 17:19
URI: http://eprints.internano.org/id/eprint/239

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