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  Bundling in brushes of directed and semiflexible polymers

Benetatos, P., Terentjev, E. M., & Zippelius, A. (2013). Bundling in brushes of directed and semiflexible polymers. Physical Review E, 88: 042601, pp. 042601-1-042601-7. Retrieved from http://dx.doi.org/10.1103/PhysRevE.88.042601.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-0FAB-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-0FAC-3
Genre: Journal Article

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Benetatos, Panayotis, Author
Terentjev, Eugene M., Author
Zippelius, Annette1, Author              
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1Fellow Group Polymers, complex fluids and disordered systems, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063298              

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 Abstract: We explore the effect of an attractive interaction between parallel-aligned polymers which are perpendicularly grafted on a substrate. Such an attractive interaction could be due to, e.g., reversible cross-links. The competition between permanent grafting favoring a homogeneous state of the polymer brush and the attraction, which tends to induce in-plane collapse of the aligned polymers, gives rise to an instability of the homogeneous phase to a bundled state. In this latter state the in-plane translational symmetry is spontaneously broken and the density is modulated with a finite wavelength, which is set by the length scale of transverse fluctuations of the grafted polymers. We analyze the instability for two models of aligned polymers: directed polymers with line tension ε and weakly bending chains with bending stiffness κ.

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Language(s): eng - English
 Dates: 2013-10-04
 Publication Status: Published in print
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 Rev. Method: Internal
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Title: Physical Review E
  Alternative Title : Phys. Rev. E
Source Genre: Journal
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Pages: - Volume / Issue: 88 Sequence Number: 042601 Start / End Page: 042601-1 - 042601-7 Identifier: -