Viscoelastic properties of silica nanoparticle monolayers at the air-water interface

Zang, D. Y.; Rio, E.; Langevin, D.; Wei, B.; Binks, B. P.

Abstract

We have investigated the rheological behaviour of silica nanoparticle layers at the air-water interface. Both compressed and deposited layers have been studied in Langmuir troughs and with a bicone rheometer. The compressed layers are more homogeneous and rigid, and the elastic response to continuous, step and oscillatory compression are similar, provided the compression is fast enough and relaxation is prevented. The deposited layers are less rigid and more viscoelastic. Their shear moduli deduced from the oscillatory uniaxial compression are much smaller than those deduced from pure shear deformation suggesting that the effective shear rate is smaller than expected in the compression measurements.

Citation

Zang, D. Y., Rio, E., Langevin, D., Wei, B., & Binks, B. P. (2010). Viscoelastic properties of silica nanoparticle monolayers at the air-water interface. European Physical Journal E, 31(2), 125-134. https://doi.org/10.1140/epje/i2010-10565-7

• Journal Article Type: Article
• Acceptance Date: Feb 28, 2010
• Online Publication Date: Feb 13, 2010
• Publication Date: 2010-02
• Journal: EUROPEAN PHYSICAL JOURNAL E
• Print ISSN: 1292-8941
• Publisher: EDP Sciences
• Peer Reviewed: Peer Reviewed
• Volume: 31
• Issue: 2
• Pages: 125-134
• DOI: https://doi.org/10.1140/epje/i2010-10565-7
• Public URL: https://hull-repository.worktribe.com/output/391450