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  Growth of a dense polymer brush layer from solution

Himmelhaus, M., Bastuck, T., Tokumitsu, S., Grunze, M., Livadaru, L., & Kreuzer, H. J. (2003). Growth of a dense polymer brush layer from solution. europhysics letters, 64(3), 378-384. doi:10.1209/epl/i2003-00205-7.

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EurophysLett_64_2003_378.pdf (Any fulltext), 189KB
 
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Himmelhaus, M., Author
Bastuck, T., Author
Tokumitsu, S., Author
Grunze, Michael1, Author           
Livadaru, L., Author
Kreuzer, H. J., Author
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1Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society, ou_2364731              

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 Abstract: The chemical grafting of alkanethiol-terminated poly(ethylene glycol) to a gold substrate from dimethylformamide solution was monitored by in situ ellipsometry for several molar concentrations. In the initial stage a layer of mushroom-like moieties forms and, on a much longer time scale, is followed by conformational conversion (and further adsorption) to a dense brush of stretched polymers. A statistical mechanical theory is presented that allows for a nonuniform grafting density and conformational conversion. It accounts fully for all observed details.

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Language(s): eng - English
 Dates: 2003-01-102003-08-272003
 Publication Status: Issued
 Pages: 7
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1209/epl/i2003-00205-7
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Title: europhysics letters
Source Genre: Journal
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Publ. Info: Les Ulis : EDP Sciences
Pages: - Volume / Issue: 64 (3) Sequence Number: - Start / End Page: 378 - 384 Identifier: ISSN: 1286-4854