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Field-Induced Layering of Colloidal Crystals
Abstract
An electrohydrodynamic methodology has been developed that makes possible the precise assembly of two- and three-dimensional colloidal crystals on electrode surfaces. Electrophoretically deposited colloidal particles were observed to move toward one another over very large distances (greater than five particle diameters) to form two-dimensional colloidal crystals for both micrometer- and nanometer-size particles. This coalescence of particles with the same charge is opposite to what is expected from electrostatic considerations and appears to result from electrohydrodynamic fluid flow arising from an ionic current flowing through the solution. The ability to modulate this “lateral attraction” between particles, by adjusting field strength or frequency, facilitates the reversible formation of two-dimensional fluid and crystalline colloidal states on the electrode surface. Further manipulation allows controlled structures to be assembled.
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Cited by
A review on fundamentals and applications of electrophoretic deposition (EPD)
BESRA, L., & LIU, M. (2007) · Progress in Materials Science · doi:10.1016/j.pmatsci.2006.07.001 · Cited by 2,258
Advances in Colloidal Assembly: The Design of Structure and Hierarchy in Two and Three Dimensions
Vogel, N., Retsch, M., Fustin, C.-A., del Campo, A., & Jonas, U. (2015) · Chemical Reviews · doi:10.1021/cr400081d · Cited by 767
Jiang, P., & McFarland, M. J. (2004) · Journal of the American Chemical Society · doi:10.1021/ja0470923 · Cited by 696
Zhang, J., Li, Y., Zhang, X., & Yang, B. (2010) · Advanced Materials · doi:10.1002/adma.201000755 · Cited by 649
Electro-osmotically induced convection at a permselective membrane
Rubinstein, I., & Zaltzman, B. (2000) · Physical Review E · doi:10.1103/physreve.62.2238 · Cited by 615
Metadata
- Authors
- Trau, M., Saville, D. A., & Aksay, I. A.
- Venue
- Science
- Published
- 1996-05-03
- Volume
- 272
- Issue
- 5262
- Pages
- 706-709
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1969305880
- Cited by
- 660
- References
- 0
- FWCI
- 9.36
- Type
- journal article
- Language
- en
- Open access
- closed
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- Trau, M., Saville, D. A., & Aksay, I. A. (1996). Field-Induced Layering of Colloidal Crystals. Science. https://doi.org/10.1126/science.272.5262.706
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
