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Molecular motion in a spreading precursor film

Publication ,  Journal Article
Xu, H; Shirvanyants, D; Beers, K; Matyjaszewski, K; Rubinstein, M; Sheiko, SS
Published in: Physical Review Letters
2004

Spreading of a polymer drop on a solid substrate was monitored with mol. resoln. Three characteristic rates, i.e., the spreading rate of the precursor film Dspread=(3.9±0.2)×103 nm2/s, the flow-induced diffusion rate of mols. within the film Dinduced=1.3±0.1 nm2/s, and the thermal diffusion coeff. of single mols. Dtherm≤0.10±0.03 nm2/s, were independently measured. Since Dspread»Dinduced, the plug flow of polymer chains was identified as the main mass-transport mechanism of spreading with an insignificant contribution from the mol. diffusion. [on SciFinder(R)]

Duke Scholars

Published In

Physical Review Letters

DOI

ISSN

0031-9007

Publication Date

2004

Related Subject Headings

  • General Physics
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences
 

Citation

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Xu, H., Shirvanyants, D., Beers, K., Matyjaszewski, K., Rubinstein, M., & Sheiko, S. S. (2004). Molecular motion in a spreading precursor film. Physical Review Letters. https://doi.org/10.1103/PhysRevLett.93.206103
Xu, Hui, David Shirvanyants, Kathryn Beers, Krzysztof Matyjaszewski, Michael Rubinstein, and Sergei S. Sheiko. “Molecular motion in a spreading precursor film.” Physical Review Letters, 2004. https://doi.org/10.1103/PhysRevLett.93.206103.
Xu H, Shirvanyants D, Beers K, Matyjaszewski K, Rubinstein M, Sheiko SS. Molecular motion in a spreading precursor film. Physical Review Letters. 2004;
Xu, Hui, et al. “Molecular motion in a spreading precursor film.” Physical Review Letters, 2004. Manual, doi:10.1103/PhysRevLett.93.206103.
Xu H, Shirvanyants D, Beers K, Matyjaszewski K, Rubinstein M, Sheiko SS. Molecular motion in a spreading precursor film. Physical Review Letters. 2004;

Published In

Physical Review Letters

DOI

ISSN

0031-9007

Publication Date

2004

Related Subject Headings

  • General Physics
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences