Hard templating of nanocrystalline titanium dioxide with chiral nematic ordering |
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| Authors: | Shopsowitz Kevin E Stahl Alexander Hamad Wadood Y MacLachlan Mark J |
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| Affiliation: | Department of Chemistry, University of British Columbia, Vancouver, Canada. |
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| Abstract: | Anatase TiO(2) nanocrystals have been organized into high-surface-area (150-230 m(2) g(-1)) mesoporous films with long-range chiral nematic ordering. The chiral structure of the anatase films causes them to selectively reflect circularly polarized light and appear iridescent. These materials show replication of structural features found in the silica template on nanometer to millimeter length scales. |
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| Keywords: | chirality hard templating mesoporous materials nanocrystalline cellulose titanium dioxide |
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