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Local Control of Microdomain Orientation in Diblock Copolymer Thin Films with Electric Fields
Abstract
Local control of the domain orientation in diblock copolymer thin films can be obtained by the application of electric fields on micrometer-length scales. Thin films of an asymmetric polystyrene-polymethylmethacrylate diblock copolymer, with cylindrical polymethylmethacrylate microdomains, were spin-coated onto substrates previously patterned with planar electrodes. The substrates, 100-nanometer-thick silicon nitride membranes, allow direct observation of the electrodes and the copolymer domain structure by transmission electron microscopy. The cylinders aligned parallel to the electric field lines for fields exceeding 30 kilovolts per centimeter, after annealing at 250°C in an inert atmosphere for 24 hours. This technique could find application in nanostructure fabrication.
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Citations
Cited by
Ultrahigh-Density Nanowire Arrays Grown in Self-Assembled Diblock Copolymer Templates
Thurn-Albrecht, T., Schotter, J., Kästle, G. A., Emley, N., Shibauchi, T., Krusin-Elbaum, L., Guarini, K., Black, C. T., Tuominen, M. T., & Russell, T. P. (2000) · Science · doi:10.1126/science.290.5499.2126 · Cited by 2,104
Self-citationMesoporous carbon materials: Synthesis and modification
Liang, C., Li, Z., & Dai, S. (2008) · Angewandte Chemie International Edition · doi:10.1002/anie.200702046 · Cited by 1,935
Directing the self-assembly of block copolymers
Darling, S. B. (2007) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2007.05.004 · Cited by 1,019
Nanostructure fabrication using block copolymers
Hamley, I. W. (2003) · Nanotechnology · doi:10.1088/0957-4484/14/10/201 · Cited by 773
Templated Self‐Assembly of Block Copolymers: Top‐Down Helps Bottom‐Up
Cheng, J. Y., Ross, C. A., Smith, H. I., & Thomas, E. L. (2006) · Advanced Materials · doi:10.1002/adma.200502651 · Cited by 695
Metadata
- Authors
- Morkved, T. L., Lu, M., Urbas, A. M., Ehrichs, E. E., Jaeger, H. M., Mansky, P., & Russell, T. P.
- Venue
- Science
- Published
- 1996-08-16
- Volume
- 273
- Issue
- 5277
- Pages
- 931-933
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2083174643
- Cited by
- 758
- References
- 0
- FWCI
- 11.15
- Type
- journal article
- Language
- en
- Open access
- closed
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- Morkved, T. L., Lu, M., Urbas, A. M., Ehrichs, E. E., Jaeger, H. M., Mansky, P., & Russell, T. P. (1996). Local Control of Microdomain Orientation in Diblock Copolymer Thin Films with Electric Fields. Science. https://doi.org/10.1126/science.273.5277.931
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
