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Patterning nanowire and micro-/nanoparticle array on micropillar-structured surface: Experiment and modeling
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10.1063/1.3474639
/content/aip/journal/bmf/4/3/10.1063/1.3474639
http://aip.metastore.ingenta.com/content/aip/journal/bmf/4/3/10.1063/1.3474639

Figures

Image of FIG. 1.
FIG. 1.

(a) Schematic of generating a DNA nanowire array by the peeling method. (b) Nonstaggered micropillar array. (c) Staggered micropillar array.

Image of FIG. 2.
FIG. 2.

(a) Schematic illustration of inducing the dewetting on micropillars by DNA solution. (b) Numerical grid employed to simulate the dewetting process on staggered micropillar array.

Image of FIG. 3.
FIG. 3.

(a) Fluorescence image of DNA nanowires and nanoparticles on micropillar stamps. (b) Scanning electron microscopy (SEM) image of DNA nanowires and nanoparticles on micropillar stamps.

Image of FIG. 4.
FIG. 4.

Time evolutions of water front among successive micropillars (top and side views).

Image of FIG. 5.
FIG. 5.

(a) Time series of velocity vectors of water at a vertical plane (side view). (b) Time series of velocity vectors of water at a horizontal plane (top view).

Image of FIG. 6.
FIG. 6.

Time evolutions of water front among successive micropillars as filling the space between micropillars with water (top and side views).

Image of FIG. 7.
FIG. 7.

(a) Time series of velocity vectors of water at a vertical plane (side view). (b) Time series of velocity vectors of water at a horizontal plane (top view). Micropillars: gray. Water: cyan.

Image of FIG. 8.
FIG. 8.

The volume of microdroplet at a peeling rate of .

Image of FIG. 9.
FIG. 9.

SEM images of (a) linear nanowire array, (b) zigzag nanowire array, and (c) fork-zigzag nanowire array on staggered PDMS micropillar stamps.

Image of FIG. 10.
FIG. 10.

Time evolutions of water front among successive micropillars for generating linear nanowire array (top view).

Image of FIG. 11.
FIG. 11.

(a) Time evolutions of water front among successive micropillars (top view). (b) Time series of velocity vectors of water at a vertical plane (top view). Micropillars: gray. Water: cyan.

Image of FIG. 12.
FIG. 12.

(a) Comparison of two micropillar array configurations in the simulation. (b) Time evolutions of water front among successive micropillars (dotted line: main fork, solid line: child fork).

Tables

Generic image for table
Table I.

Fluid properties of de-ionized water and air.

Generic image for table
Table II.

Dependence of peeling rate on slip length for generating microdroplet on the column of micropillar (●/▲: with/without microdroplet left on the column of micropillar).

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/content/aip/journal/bmf/4/3/10.1063/1.3474639
2010-08-04
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Patterning nanowire and micro-/nanoparticle array on micropillar-structured surface: Experiment and modeling
http://aip.metastore.ingenta.com/content/aip/journal/bmf/4/3/10.1063/1.3474639
10.1063/1.3474639
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