Novel nanobubble inflation method for determining the viscoelastic properties of ultrathin polymer films

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

doi:10.1063/1.2409777

Novel nanobubble 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

57 Scopus citations

Abstract

We describe a novel experimental technique for measuring the viscoelastic properties of ultrathin polymer films. The method is based on the classic bubble inflation technique for measuring the biaxial creep compliance of films, reduced in size to measure films with thicknesses down to at least 13 nm. The method uses the imaging capabilities of the atomic force microscope to determine the time evolution of the geometry of nanobubbles. Using these data, along with the applied pressure, the absolute creep compliance of the films can be determined.

Original language	English
Article number	013901
Journal	Review of Scientific Instruments
Volume	78
Issue number	1
DOIs	https://doi.org/10.1063/1.2409777
State	Published - 2007

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10.1063/1.2409777

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title = "Novel nanobubble inflation method for determining the viscoelastic properties of ultrathin polymer films",

abstract = "We describe a novel experimental technique for measuring the viscoelastic properties of ultrathin polymer films. The method is based on the classic bubble inflation technique for measuring the biaxial creep compliance of films, reduced in size to measure films with thicknesses down to at least 13 nm. The method uses the imaging capabilities of the atomic force microscope to determine the time evolution of the geometry of nanobubbles. Using these data, along with the applied pressure, the absolute creep compliance of the films can be determined.",

author = "O'Connell, {P. A.} and McKenna, {G. B.}",

note = "Funding Information: The authors wish to acknowledge the John R. Bradford Endowment at Texas Tech, the National Science Foundation (Grant No. DMR-0304640), and the U.S. Army Research Office (Grant No. W911NF-04-1-0207) for partial support of this project.",

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Novel nanobubble inflation method for determining the viscoelastic properties of ultrathin polymer films

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