A novel nano-bubble inflation method for determining the viscoelastic properties of ultrathin polymer films

P. A. O'Connell; G. B. Mckenna

doi:10.1002/sca.20088

A novel nano-bubble inflation method for determining the viscoelastic properties of ultrathin polymer films

P. A. O'Connell, G. B. Mckenna

Chemical Engineering

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

We describe a novel experimental technique for measuring the absolute creep compliance of ultrathin polymer films. The method is based on the classical bubble inflation technique for measuring the biaxial creep compliance of films, reduced in size to measure films with thicknesses down to at least 11.3 nm. The method uses the imaging capabilities of the atomic force microscope (AFM) to determine the time evolution of the geometry of nano-bubbles and thus avoids the problems with data interpretation that can arise due to "contact mechanics" issues when the AFM is used as a direct mechanical testing device.

Original language	English
Pages (from-to)	184-196
Number of pages	13
Journal	Scanning
Volume	30
Issue number	2
DOIs	https://doi.org/10.1002/sca.20088
State	Published - Mar 2008

Keywords

Atomic force microscopy
Glass transition
Polymers
Ultra thin films
Viscoelastic properties

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10.1002/sca.20088

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KW - Viscoelastic properties

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A novel nano-bubble inflation method for determining the viscoelastic properties of ultrathin polymer films

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Keywords

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