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Updated: May 25, 2026

Fabrication of Large-area Free-standing Ultrathin Polymer Films
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Ultrastable nanostructured polymer glasses.

Yunlong Guo1, Anatoli Morozov, Dirk Schneider

  • 1Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, USA.

Nature Materials
|February 7, 2012
PubMed
Summary
This summary is machine-generated.

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Researchers developed a new method to create highly stable glassy polymer films. This matrix-assisted pulsed laser evaporation technique results in materials with enhanced thermal stability and lower density, ideal for advanced technologies.

Area of Science:

  • Materials Science
  • Polymer Science
  • Physical Chemistry

Background:

  • The properties of amorphous solids, like polymers, are kinetically limited by the glass transition process.
  • Standard methods for creating glassy states offer limited control over material properties such as glass transition temperature (T(g)) and stability.

Purpose of the Study:

  • To investigate the potential of matrix-assisted pulsed laser evaporation (MAPLE) for producing ultrastable and nanostructured glassy polymer films.
  • To characterize the properties of MAPLE-deposited polymer glasses and compare them to conventionally prepared glasses.

Main Methods:

  • Fabrication of glassy polymer films using matrix-assisted pulsed laser evaporation (MAPLE).
  • Characterization of film density, glass transition temperature (T(g)), and kinetic stability at elevated temperatures.

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  • Comparison of MAPLE-deposited poly(methyl methacrylate) (PMMA) films with standard PMMA glasses.

    • Main Results:

    • MAPLE successfully produced ultrastable and nanostructured glassy polymer films.
    • MAPLE-deposited films exhibited a 40% lower density and a 40 K higher T(g) compared to standard glasses.
    • A two-orders-of-magnitude enhancement in kinetic stability at high temperatures was observed for MAPLE glasses.

    Conclusions:

    • MAPLE is a viable technique for creating advanced glassy polymer materials with significantly improved properties.
    • The enhanced stability and lower density of MAPLE glasses make them promising for applications requiring high performance and reduced weight.