Macroporous materials with uniform pores by emulsion templating

A. Imhof, D. J. Pine

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A method was developed for the production of macroporous oxide materials by using the droplets of a nonaqueous emulsion as the templates around which material is deposited through a sol-gel process. Moreover, uniform pores arranged in regular arrays can be obtained by starting with an emulsion of uniform droplets. These droplets first self-assemble into a colloidal crystal after which gelation of the suspending sol-gel mixture captures the ordered structure. After drying and calcination pellets are obtained which contain ordered arrays of spherical pores left behind by the emulsion droplets. The method can be used to make uniform pores in the range from 0.05-5 micrometers in many different materials. We demonstrate the process for titania, silica, and zirconia.

Original languageEnglish (US)
Title of host publicationMaterials Research Society Symposium - Proceedings
EditorsN.M. Rodrigues, S.L. Soled, J. Hrbek
PublisherMRS
Pages167-172
Number of pages6
Volume497
StatePublished - 1998
EventProceedings of the 1997 MRS Fall Symposium - Boston, MA, USA
Duration: Dec 2 1997Dec 4 1997

Other

OtherProceedings of the 1997 MRS Fall Symposium
CityBoston, MA, USA
Period12/2/9712/4/97

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

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