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Influence of an impenetrable interface on a polymer glass-transition temperature
Abstract
The thermal expansion of polystyrene thin films, supported on hydrogen-terminated silicon substrates, is measured by x-ray reflectivity. Films on the order of 400 \AA{} and thinner show no glass transition up to at least 60 \ifmmode^\circ\else\textdegree\fi{}C above the bulk glass-transition temperature, while a break in the thickness versus temperature curve, signaling the glass transition and the onset of bulk behavior, is observed for thicker films. This increase in the glass-transition temperature is in contrast to similar studies on the silicon native-oxide surface where a decrease in the glass-transition temperature is observed. This illustrates the importance of the character of the substrate surface in determining thin film behavior.
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Citations
Cited by
Molecular dynamics simulation of a polymer melt with a nanoscopic particle
Starr, F. W., Schrøder, T. B., & Glotzer, S. C. (2002) · Macromolecules · doi:10.1021/ma010626p · Cited by 511
Structure in Thin and Ultrathin Spin-Cast Polymer Films
Frank, C. W., Rao, V., Despotopoulou, M. M., Pease, R. F. W., Hinsberg, W. D., Miller, R. D., & Rabolt, J. F. (1996) · Science · doi:10.1126/science.273.5277.912 · Cited by 473
van Zanten, J. H., Wallace, W. E., & Wu, W.-L. (1996) · Physical Review E · doi:10.1103/physreve.53.r2053 · Cited by 458
Self-citationFukao, K., & Miyamoto, Y. (2000) · Physical Review E · doi:10.1103/physreve.61.1743 · Cited by 458
Elastic Moduli of Ultrathin Amorphous Polymer Films
Stafford, C. M., Vogt, B. D., Harrison, C., Julthongpiput, D., & Huang, R. (2006) · Macromolecules · doi:10.1021/ma060790i · Cited by 431
Metadata
- Authors
- Wallace, W. E., van Zanten, J. H., & Wu, W. L.
- Venue
- Physical Review E
- Publisher
- American Physical Society (APS)
- Published
- 1995-10-01
- Volume
- 52
- Issue
- 4
- Pages
- R3329-R3332
- ISSN
- 1063-651X (ISSN-L)
- 1095-3787
- OpenAlex
- W2054072409
- Cited by
- 428
- References
- 0
- FWCI
- 11.58
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wallace, W. E., van Zanten, J. H., & Wu, W. L. (1995). Influence of an impenetrable interface on a polymer glass-transition temperature. Physical Review E. https://doi.org/10.1103/physreve.52.r3329
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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