Film before aggregates: an operando GISAXS study on electrochemically assisted surfactant assembly

The process of electrochemically assisted surfactant assembly was followed in real time by grazing incidence small angle X-ray scattering with the aim to deconvolute the formation of mesoporous silica film and unwanted porous particles. The X-ray technique proved to be useful for the characterisatio...

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Bibliographic Details
Published inNanoscale Vol. 16; no. 8; pp. 4197 - 4204
Main Authors Moehl, Gilles E, Fitch, Samuel D, Cicvarić, Katarina, Han, Yisong, Huang, Ruomeng, Rawle, Jonathan, Shao, Li, Beanland, Richard, Bartlett, Philip N, Denuault, Guy, Hector, Andrew L
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 22.02.2024
Subjects
Assembly
Electric fields
Silicon dioxide
Surfactants
X-ray scattering
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Summary:The process of electrochemically assisted surfactant assembly was followed in real time by grazing incidence small angle X-ray scattering with the aim to deconvolute the formation of mesoporous silica film and unwanted porous particles. The X-ray technique proved to be useful for the characterisation of this process, as it takes place at a very dynamic, solid/liquid interface. This paper shows the electrochemically driven onset and evolution of silica/surfactant structures. Additional control experiments indicate the formation of vertically aligned structures without the use of an electric field, although it seems to be beneficial for increased pore ordering.
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ISSN:2040-3364
2040-3372
DOI:10.1039/d3nr05126a