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Nanoparticle aggregation in the presence of a block copolymer
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10.1063/1.3280064
/content/aip/journal/jcp/131/24/10.1063/1.3280064
http://aip.metastore.ingenta.com/content/aip/journal/jcp/131/24/10.1063/1.3280064
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Phase behavior of nanoparticle/block copolymer composites as a function of the repulsive interaction between nanoparticles and A segments of the block copolymer for , , , and . (a) ; (b) ; and (c) . Nanoparticles: grey; A segments: red; B segments: blue. Note: Whereas the volumes of the segments A and B are considered the same, the volume of the A segment is presented reduced by a factor of 10, in order to see the particles more clearly.

Image of FIG. 2.
FIG. 2.

Phase behavior of nanoparticle/block copolymer composites as a function of the interaction between nanoparticles and A segments for , , , and . (a) ; (b) ; and (c) . Nanoparticles: grey; A Segments: red; B segments: blue. Note: Whereas the volumes of the segments A and B are taken the same, the volume of A segment is presented reduced by a factor of 10, in order to see the particles more clearly.

Image of FIG. 3.
FIG. 3.

Dynamics of aggregation of nanoparticles and the evolution of block copolymer morphology when , , , , and . (a) Initial; (b) after 500 DPD steps; (c) after 3000 DPD steps; (d) after 20 000 DPD steps; (e) after 60 000 DPD steps; (f) after 80 000 DPD steps; and (g) after 300 000 DPD steps. Nanoparticles: grey; B segments: blue. Only the isosurfaces of the B domains are presented.

Image of FIG. 4.
FIG. 4.

Number of aggregates and the aggregated fraction of nanoparticles as functions of DPD steps for , and and various values of and . Short dash: , ; square: , ; dotted: , ; triangle down: , .

Image of FIG. 5.
FIG. 5.

Number of aggregates and fraction of nanoparticles aggregated as functions of the interaction between the A and B segments for , , , and .

Image of FIG. 6.
FIG. 6.

Phase behavior of nanoparticle/block copolymer composites as a function of the interaction between the nanoparticles for , , and . (a) ; (b) ; (c) ; (d) ; (e) ; and (f) . Nanoparticles: grey ; A segments: red; B segments: blue. Note: whereas the volumes of the segments A and B are considered the same, the volume of the A segment is presented reduced by a factor of 10, in order to see the particles more clearly.

Image of FIG. 7.
FIG. 7.

Number of aggregates, the average number of nanoparticles in aggregates, and the fraction of nanoparticles aggregated as functions of the interaction between nanoparticles for , , and .

Image of FIG. 8.
FIG. 8.

Number of aggregates, the average number of nanoparticles in aggregates, and the fraction of nanoparticles aggregated, as functions of for , , and . Circle: , square: .

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/content/aip/journal/jcp/131/24/10.1063/1.3280064
2009-12-31
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Nanoparticle aggregation in the presence of a block copolymer
http://aip.metastore.ingenta.com/content/aip/journal/jcp/131/24/10.1063/1.3280064
10.1063/1.3280064
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