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  Poor-solvent polyelectrolytes

Holm, C., Limbach, H. J., & Kremer, K. (2003). Poor-solvent polyelectrolytes. Journal of Physics-Condensed Matter, 15(1 Sp. Iss. SI), S205-S211.

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 Creators:
Holm, Christian1, Author           
Limbach, H. J.1, Author           
Kremer, Kurt1, Author           
Affiliations:
1MPI for Polymer Research, Max Planck Society, ou_1309545              

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 Abstract: Using extensive molecular dynamics simulations we study the behaviour of polyelectrolytes (PEs) in poor solvents, explicitly taking the counterions into account. The resulting pearl-necklace structures are subject to strong conformational fluctuations. These lead to small signatures in the form factor and the force-extension relation, which is a severe obstacle to experimental observations. In addition, we study how the necklace collapses as a function of the Bjerrum length. Finally, we demonstrate that the position of the first peak in the inter-chain structure factor varies with the monomer density as approximate top(m)(0.35) for all densities, which shows a pertinent different behaviour as compared to that of PE solutions in good solvent.

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Language(s): eng - English
 Dates: 2003-01-15
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 28348
ISI: 000182346800027
Other: P-03-25
 Degree: -

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Title: Journal of Physics-Condensed Matter
  Alternative Title : J. Phys.-Condens. Matter
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 15 (1 Sp. Iss. SI) Sequence Number: - Start / End Page: S205 - S211 Identifier: ISSN: 0953-8984