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231223s2007 xx ||||| 00| ||eng c |
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|a pubmed25n0561.xml
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|a (DE-627)NLM168327007
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|a (NLM)17291017
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Epps, Thomas H
|c 3rd
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Substrate surface energy dependent morphology and dewetting in an ABC triblock copolymer film
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| 264 |
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|c 2007
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 06.07.2007
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|a Date Revised 06.03.2007
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a A gradient combinatorial approach was used to examine the effect of substrate surface energy on the morphology and stability of films of a poly(isoprene-b-styrene-b-ethylene oxide) triblock copolymer that exhibits an alternating gyroid morphology in the bulk. Atomic force microscopy data across our surface energy (water contact angle) library suggest a transformation to predominantly surface parallel lamellae with an antisymmetric ordering. For substrate water contact angles below 70 degrees the film exhibited autophobic dewetting from an adsorbed half-period triblock copolymer monolayer at longer annealing times. X-ray photoelectron spectroscopy and near edge X-ray absorption fine structure analysis along gradient specimens indicated that the substrate surface energy governed the composition profile of the monolayer, and this variation in chemical expression was key to whether the film was stable or autophobically dewet. These observations demonstrate that enthalpic interactions, in addition to entropic considerations, can play a major role in autophobic dewetting of block copolymer films
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|a Journal Article
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1 |
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|a DeLongchamp, Dean M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fasolka, Michael J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fischer, Daniel A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jablonski, Erin L
|e verfasserin
|4 aut
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| 773 |
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8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1991
|g 23(2007), 6 vom: 13. März, Seite 3355-62
|w (DE-627)NLM098181009
|x 0743-7463
|7 nnns
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| 773 |
1 |
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|g volume:23
|g year:2007
|g number:6
|g day:13
|g month:03
|g pages:3355-62
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| 952 |
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|d 23
|j 2007
|e 6
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|h 3355-62
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