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Confining the growth of mesoporous silica films into nanospaces : towards surface nanopatterning
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Soulé, Samantha, Moehl, Gilles E., Huang, Ruomeng, Noori, Yasir J., Kiang, Kian Shen, Kees de Groot, C. H., Beanland, Richard, Smith, David C. and Hector, Andrew L. (2022) Confining the growth of mesoporous silica films into nanospaces : towards surface nanopatterning. Nanoscale Advances, 4 (4). pp. 1105-1111. doi:10.1039/d1na00654a ISSN 2516-0230.
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Official URL: https://doi.org/10.1039/D1NA00654A
Abstract
The combination of lithographic methods and sol gel bottom-up techniques is a promising approach for nanopatterning substrates. The integration and scalable fabrication of such substrates are of great interest for the development of nanowire-based materials opening potentialities in new technologies. We demonstrate the deposition of ordered mesoporous silica into nanopatterned silica substrates by dip coating. Using scanning electron microscopy and grazing incidence small angle X-ray scattering, the effect of the sol composition on the pore ordering was probed. Optimising the sol composition using anodic alumina membranes as confined spaces, we showed how the pH controlled the transformation from circular to columnar mesophase. Vertical mesopores were obtained with very good repeatability. The effect of the sol chemistry on the surfactant curvature was then shown to be similar in nanopatterned substrates made by e-beam lithography.
| Item Type: | Journal Article | ||||||||||||
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| Subjects: | Q Science > QC Physics Q Science > QD Chemistry T Technology > T Technology (General) |
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||||
| SWORD Depositor: | Library Publications Router | ||||||||||||
| Library of Congress Subject Headings (LCSH): | Nanostructures, Nanotechnology, Mesoporous materials, Lithography -- Technique, Microlithography -- Research | ||||||||||||
| Journal or Publication Title: | Nanoscale Advances | ||||||||||||
| Publisher: | Royal Society of Chemistry (RSC) | ||||||||||||
| ISSN: | 2516-0230 | ||||||||||||
| Official Date: | 21 February 2022 | ||||||||||||
| Dates: |
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| Volume: | 4 | ||||||||||||
| Number: | 4 | ||||||||||||
| Page Range: | pp. 1105-1111 | ||||||||||||
| DOI: | 10.1039/d1na00654a | ||||||||||||
| Status: | Peer Reviewed | ||||||||||||
| Publication Status: | Published | ||||||||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||||||||
| Date of first compliant deposit: | 22 March 2022 | ||||||||||||
| Date of first compliant Open Access: | 22 March 2022 | ||||||||||||
| RIOXX Funder/Project Grant: |
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