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Imaging layers for the directed assembly of block copolymer films: Dependence of the physical and chemical properties of patterned polymer brushes on brush molecular weight
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10.1116/1.2799970
/content/avs/journal/jvstb/25/6/10.1116/1.2799970
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/25/6/10.1116/1.2799970

Figures

Image of FIG. 1.
FIG. 1.

Top-down SEM images of assembled PS--PMMA. The repeat period of the polymer, and is the repeat period of the chemical pattern. The lower molecular weight brush gives better assembly, especially at values far from .

Image of FIG. 2.
FIG. 2.

Contact angle of grafted brushes with water. ◼, ● are unmodified brushes, advancing and receding, respectively. ▴, ▾ are oxygen modified brushes, advancing and receding, respectively. Measurements on (a) unannealed and (b) annealed brushes.

Image of FIG. 3.
FIG. 3.

(a) Thickness vs molecular weight for unmodified (squares) and oxygen modified (triangles) brushes. (b) Brush grafting density vs molecular weight.

Tables

Generic image for table
TABLE I.

Molecular weight and polydispersity of hydroxy-terminated polystyrene used for polymer brushes.

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/content/avs/journal/jvstb/25/6/10.1116/1.2799970
2007-12-06
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Imaging layers for the directed assembly of block copolymer films: Dependence of the physical and chemical properties of patterned polymer brushes on brush molecular weight
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/25/6/10.1116/1.2799970
10.1116/1.2799970
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