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Structure in Thin and Ultrathin Spin-Cast Polymer Films
Abstract
The molecular organization in ultrathin polymer films (thicknesses less than 1000 angstroms) and thin polymer films (thicknesses between 1000 and 10,000 angstroms) may differ substantially from that of bulk polymers, which can lead to important differences in resulting thermophysical properties. Such constrained geometry films have been fabricated from amorphous poly(3-methyl-4-hydroxy styrene) (PMHS) and semicrystalline poly(di- n -hexyl silane) (PD6S) by means of spin-casting. The residual solvent content is substantially greater in ultrathin PMHS films, which suggests a higher glass transition temperature that results from a stronger hydrogen-bonded network as compared with that in thicker films. Crystallization of PD6S is substantially hindered in ultrathin films, in which a critical thickness of 150 angstroms is needed for crystalline morphology to exist and in which the rate of crystallization is initially slow but increases rapidly as the film approaches 500 angstroms in thickness.
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Citations
Cited by
Confined Crystallization of Polyethylene Oxide in Nanolayer Assemblies
Wang, H., Keum, J. K., Hiltner, A., Baer, E., Freeman, B., Rozanski, A., & Galeski, A. (2009) · Science · doi:10.1126/science.1164601 · Cited by 384
Zhang, X., Xu, Y., Zhang, X., Wu, H., Shen, J., Chen, R., Xiong, Y., Li, J., & Guo, S. (2019) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2018.10.002 · Cited by 325
Mareau, V. H., & Prud'homme, R. E. (2005) · Macromolecules · doi:10.1021/ma0482359 · Cited by 193
Crystalline Structures, Melting, and Crystallization of Linear Polyethylene in Cylindrical Nanopores
Shin, K., Woo, E., Jeong, Y. G., Kim, C., Huh, J., & Kim, K.-W. (2007) · Macromolecules · doi:10.1021/ma070994e · Cited by 190
Crystallization behavior of PCL in hybrid confined environment
Jiang, S., Ji, X., An, L., & Jiang, B. (2001) · Polymer · doi:10.1016/s0032-3861(00)00565-6 · Cited by 137
Metadata
- Authors
- Frank, C. W., Rao, V., Despotopoulou, M. M., Pease, R. F. W., Hinsberg, W. D., Miller, R. D., & Rabolt, J. F.
- Venue
- Science
- Published
- 1996-08-16
- Volume
- 273
- Issue
- 5277
- Pages
- 912-915
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1994720156
- Cited by
- 473
- References
- 0
- FWCI
- 9.12
- Type
- journal article
- Language
- en
- Open access
- closed
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- Frank, C. W., Rao, V., Despotopoulou, M. M., Pease, R. F. W., Hinsberg, W. D., Miller, R. D., & Rabolt, J. F. (1996). Structure in Thin and Ultrathin Spin-Cast Polymer Films. Science. https://doi.org/10.1126/science.273.5277.912
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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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