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231224s2013 xx |||||o 00| ||eng c |
| 024 |
7 |
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|a 10.1021/la4018932
|2 doi
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| 041 |
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|a eng
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| 100 |
1 |
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|a Lamarre, Samuel S
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Controlled 2D organization of gold nanoparticles in block copolymer monolayers
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| 264 |
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|c 2013
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 13.03.2014
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|a Date Revised 27.08.2013
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The organization of organic-capped gold nanoparticles in PS-b-PMMA monolayers is investigated. The preferred location of the particles within the block copolymer template is found to depend on both nanoparticle size and the length of the aliphatic capping agent. In the case of relatively short ligands, the particles behave as hard spheres and their incorporation in the polymer matrix can be qualitatively rationalized by entropic considerations. Three distinct arrangements are observed. Particles that are small, relative to the radius of gyration of the host polymer, evenly disperse within the PS domains, whereas the largest particles are considered form ordered, island-like aggregates. Particles of intermediate size exhibit the most striking arrangement, being relegated to the PS-PMMA interface to form organized ring structures. The tendency of these particles to assemble at the interface is sufficiently strong to force a modification of the polymer morphology to accommodate the particles at higher loadings. As the number of particles is increased, the circular PS-b-PMMA surface micelles elongate to form nanostrands
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| 650 |
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4 |
|a Journal Article
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| 700 |
1 |
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|a Lemay, Cynthia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Labrecque, Charles
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ritcey, Anna M
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 29(2013), 34 vom: 27. Aug., Seite 10891-8
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|g volume:29
|g year:2013
|g number:34
|g day:27
|g month:08
|g pages:10891-8
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