Linear colloidal crystal arrays by electrohydrodynamic printing

H. F. Poon; D. A. Saville; Ilhan A. Aksay

doi:10.1063/1.2990680

Linear colloidal crystal arrays by electrohydrodynamic printing

H. F. Poon, D. A. Saville, Ilhan A. Aksay

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

We use electrohydrodynamic jets of colloidal suspensions to produce arrays of colloidal crystalline stripes on surfaces. A critical factor in maintaining a stable jet is the distance of separation between the nozzle and the surface. Colloidal crystalline stripes are produced as two wetting lines of the deployed suspension merge during drying. To ensure that the two wetting lines merge, the "deployed-line-width" to "particle size" ratio is kept below a critical value so that the capillary forces overcome the frictional forces between the particles and the substrate.

Original language	English (US)
Article number	133114
Journal	Applied Physics Letters
Volume	93
Issue number	13
DOIs	https://doi.org/10.1063/1.2990680
State	Published - 2008

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.2990680

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abstract = "We use electrohydrodynamic jets of colloidal suspensions to produce arrays of colloidal crystalline stripes on surfaces. A critical factor in maintaining a stable jet is the distance of separation between the nozzle and the surface. Colloidal crystalline stripes are produced as two wetting lines of the deployed suspension merge during drying. To ensure that the two wetting lines merge, the {"}deployed-line-width{"} to {"}particle size{"} ratio is kept below a critical value so that the capillary forces overcome the frictional forces between the particles and the substrate.",

author = "Poon, {H. F.} and Saville, {D. A.} and Aksay, {Ilhan A.}",

note = "Funding Information: Financial support for this work was provided by ARO-MURI under Award No. W911NF-04-1-0170 and the NASA University Research, Engineering and Technology Institute on Bio Inspired Materials (BIMat, Grant No. NCC-1-02037). We acknowledge discussions with S. Korkut and her assistance in the preparation of the manuscript. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.",

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doi = "10.1063/1.2990680",

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AU - Poon, H. F.

AU - Saville, D. A.

AU - Aksay, Ilhan A.

N1 - Funding Information: Financial support for this work was provided by ARO-MURI under Award No. W911NF-04-1-0170 and the NASA University Research, Engineering and Technology Institute on Bio Inspired Materials (BIMat, Grant No. NCC-1-02037). We acknowledge discussions with S. Korkut and her assistance in the preparation of the manuscript. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.

PY - 2008

Y1 - 2008

N2 - We use electrohydrodynamic jets of colloidal suspensions to produce arrays of colloidal crystalline stripes on surfaces. A critical factor in maintaining a stable jet is the distance of separation between the nozzle and the surface. Colloidal crystalline stripes are produced as two wetting lines of the deployed suspension merge during drying. To ensure that the two wetting lines merge, the "deployed-line-width" to "particle size" ratio is kept below a critical value so that the capillary forces overcome the frictional forces between the particles and the substrate.

AB - We use electrohydrodynamic jets of colloidal suspensions to produce arrays of colloidal crystalline stripes on surfaces. A critical factor in maintaining a stable jet is the distance of separation between the nozzle and the surface. Colloidal crystalline stripes are produced as two wetting lines of the deployed suspension merge during drying. To ensure that the two wetting lines merge, the "deployed-line-width" to "particle size" ratio is kept below a critical value so that the capillary forces overcome the frictional forces between the particles and the substrate.

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Linear colloidal crystal arrays by electrohydrodynamic printing

Abstract

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