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Watching mesoporous metal films grow during templated electrodeposition with in situ SAXS

Richardson, S. J., Burton, M. R., Luo, X., Staniec, P. A., Nandhakumar, I. S., Terrill, N. J., Elliott, J. M. and Squires, A. M. (2017) Watching mesoporous metal films grow during templated electrodeposition with in situ SAXS. Nanoscale, 9 (29). pp. 10227-10232. ISSN 2040-3364

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To link to this item DOI: 10.1039/c7nr03321d

Abstract/Summary

In this paper, we monitor the real-time growth of mesoporous platinum during electrodeposition using small-angle X-ray scattering (SAXS). Previously, we have demonstrated that platinum films featuring the ‘single diamond’ (Fd3m) morphology can be produced from ‘double diamond’ (Pn3m) lipid cubic phase templates; the difference in symmetry provides additional scattering signals unique to the metal. Taking advantage of this, we present simultaneous in situ SAXS/electrochemical measurement as the platinum nanostructures grow within the lipid template. This measurement allows us to correlate the nanostructure appearance with the deposition current density and to monitor the evolution of the orientational and lateral ordering of the lipid and platinum during deposition and after template removal. In other periodic metal nanomaterials deposited within any of the normal topology liquid crystal, mesoporous silica or block copolymer templates previously published, the template and emerging metal have the same symmetry, so such a study has not been possible previously.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
ID Code:71887
Uncontrolled Keywords:General Materials Science
Publisher:The Royal Society of Chemistry

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