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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.6b04681
|2 doi
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|a eng
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| 100 |
1 |
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|a Teng, Chih-Yu
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Surface Segregation and Bulk Aggregation in an Athermal Thin Film of Polymer-Nanoparticle Blends
|b Strategies of Controlling Phase Behavior
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|c 2017
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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 14.05.2018
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|a Date Revised 14.05.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The phase behavior of an athermal film of a polymer-nanoparticle blend (PNB) driven by depletion attraction is investigated by dissipative particle dynamics for nanospheres and nanocubes. Surface segregation is observed at low nanoparticle concentrations, while bulk aggregation is seen at high concentrations. Surface excess and the aggregation number can be controlled by tuning the nanoparticle concentration. As surface-roughened or polymer-grafted nanoparticles are used, uniform PNBs are acquired due to the lack of depletion. Thus, addition of surface-roughened nanoparticles into PNBs of smooth nanoparticles can be employed to tune the phase characteristics. It is found that bulk aggregation is suppressed for both polymer-nanosphere and polymer-nanocube blends. However, surface segregation is impeded for polymer-nanosphere blend but enhanced for polymer-nanocube blend owing to the distinct influence of the nanoparticle shape on depletion
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Sheng, Yu-Jane
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tsao, Heng-Kwong
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 33(2017), 10 vom: 14. März, Seite 2639-2645
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:33
|g year:2017
|g number:10
|g day:14
|g month:03
|g pages:2639-2645
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|u http://dx.doi.org/10.1021/acs.langmuir.6b04681
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