Measurement of the elastic modulus of polymeric films using an AFM with a steel micro-spherical probe tip

Li Yu Lin; Dae Eun Kim

doi:10.1016/j.polymertesting.2012.06.012

Measurement of the elastic modulus of polymeric films using an AFM with a steel micro-spherical probe tip

Li Yu Lin, Dae Eun Kim

Department of Mechanical Engineering

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

31 Citations (Scopus)

Abstract

The elastic moduli of polystyrene (PS), polymethylmethacrylate (PMMA) and polydimethylsiloxane (PDMS) films were evaluated using an Atomic Force Microscope (AFM) with a steel micro-spherical probe tip. The elastic moduli of the polymeric films were determined with respect to indentation depth using the Hertz and Johnson-Kendall-Roberts (JKR) models. The measured elastic moduli of PS, PMMA and PDMS were determined to be 2.6 GPa, 0.74 GPa, and 4 MPa at indentation depths of 1.7 nm, 4 nm, and 120 nm, respectively. These results confirm the validity of the proposed method for effectively measuring the elastic properties of polymeric thin films.

Original language	English
Pages (from-to)	926-930
Number of pages	5
Journal	Polymer Testing
Volume	31
Issue number	7
DOIs	https://doi.org/10.1016/j.polymertesting.2012.06.012
Publication status	Published - 2012 Oct

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korean government (MEST) (No. 2011-0000409 ).

All Science Journal Classification (ASJC) codes

Organic Chemistry
Polymers and Plastics

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10.1016/j.polymertesting.2012.06.012

Cite this

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title = "Measurement of the elastic modulus of polymeric films using an AFM with a steel micro-spherical probe tip",

abstract = "The elastic moduli of polystyrene (PS), polymethylmethacrylate (PMMA) and polydimethylsiloxane (PDMS) films were evaluated using an Atomic Force Microscope (AFM) with a steel micro-spherical probe tip. The elastic moduli of the polymeric films were determined with respect to indentation depth using the Hertz and Johnson-Kendall-Roberts (JKR) models. The measured elastic moduli of PS, PMMA and PDMS were determined to be 2.6 GPa, 0.74 GPa, and 4 MPa at indentation depths of 1.7 nm, 4 nm, and 120 nm, respectively. These results confirm the validity of the proposed method for effectively measuring the elastic properties of polymeric thin films.",

author = "Lin, {Li Yu} and Kim, {Dae Eun}",

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T1 - Measurement of the elastic modulus of polymeric films using an AFM with a steel micro-spherical probe tip

AU - Lin, Li Yu

AU - Kim, Dae Eun

N1 - Funding Information: This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korean government (MEST) (No. 2011-0000409 ).

PY - 2012/10

Y1 - 2012/10

N2 - The elastic moduli of polystyrene (PS), polymethylmethacrylate (PMMA) and polydimethylsiloxane (PDMS) films were evaluated using an Atomic Force Microscope (AFM) with a steel micro-spherical probe tip. The elastic moduli of the polymeric films were determined with respect to indentation depth using the Hertz and Johnson-Kendall-Roberts (JKR) models. The measured elastic moduli of PS, PMMA and PDMS were determined to be 2.6 GPa, 0.74 GPa, and 4 MPa at indentation depths of 1.7 nm, 4 nm, and 120 nm, respectively. These results confirm the validity of the proposed method for effectively measuring the elastic properties of polymeric thin films.

AB - The elastic moduli of polystyrene (PS), polymethylmethacrylate (PMMA) and polydimethylsiloxane (PDMS) films were evaluated using an Atomic Force Microscope (AFM) with a steel micro-spherical probe tip. The elastic moduli of the polymeric films were determined with respect to indentation depth using the Hertz and Johnson-Kendall-Roberts (JKR) models. The measured elastic moduli of PS, PMMA and PDMS were determined to be 2.6 GPa, 0.74 GPa, and 4 MPa at indentation depths of 1.7 nm, 4 nm, and 120 nm, respectively. These results confirm the validity of the proposed method for effectively measuring the elastic properties of polymeric thin films.

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Measurement of the elastic modulus of polymeric films using an AFM with a steel micro-spherical probe tip

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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