Particle Surface Roughness as a Design Tool for Colloidal Systems

Control over the surface roughness of colloidal particles offers exciting opportunities to tailor the properties and the processing of a broad range of soft matter systems. Moreover, identifying surface roughness as a design parameter reveals the possibility to connect seemingly distinct phenomena a...

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Bibliographic Details
Published inLangmuir Vol. 36; no. 38; pp. 11171 - 11182
Main Authors Hu, Minghan, Hsu, Chiao-Peng, Isa, Lucio
Format Journal Article
LanguageEnglish
Published American Chemical Society 29.09.2020
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Summary:Control over the surface roughness of colloidal particles offers exciting opportunities to tailor the properties and the processing of a broad range of soft matter systems. Moreover, identifying surface roughness as a design parameter reveals the possibility to connect seemingly distinct phenomena and materials via the role played by roughness effects. In this feature article, we concisely review some approaches to synthesize and characterize rough colloidal particles, with a focus on model spherical colloids. We then discuss the impact that surface roughness has on both the high-shear rheology of dense suspensions and the stabilization of Pickering emulsions. Commenting on developments of our own research, we aim to offer an original perspective for a property-oriented development of colloidal particles that transcends classical divisions between materials and processes toward innovative solutions.
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ISSN:0743-7463
1520-5827
DOI:10.1021/acs.langmuir.0c02050