Beyond Orientation: The Impact of Electric Fields on Block Copolymers

Since the first report on electric field‐induced alignment of block copolymers (BCPs) in 1991, electric fields have been shown not only to direct the orientation of BCP nanostructures in bulk, solution, and thin films, but also to reversibly induce order–order transitions, affect the order–disorder...

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Bibliographic Details
Published in:Macromolecular chemistry and physics 2012-02, Vol.213 (3), p.259-269
Main Authors: Liedel, Clemens, Pester, Christian W., Ruppel, Markus, Urban, Volker S., Böker, Alexander
Format: Article
Language:English
Subjects:
ACCURACY
ALIGNMENT
Applied sciences
COPOLYMERS
DIMENSIONS
ELECTRIC FIELDS
Exact sciences and technology
NANOSCIENCE AND NANOTECHNOLOGY
NANOSTRUCTURES
Organic polymers
ORIENTATION
Physicochemistry of polymers
Properties and characterization
Structure, morphology and analysis
THIN FILMS
TRANSITION TEMPERATURE
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Summary:Since the first report on electric field‐induced alignment of block copolymers (BCPs) in 1991, electric fields have been shown not only to direct the orientation of BCP nanostructures in bulk, solution, and thin films, but also to reversibly induce order–order transitions, affect the order–disorder transition temperature, and control morphologies' dimensions with nanometer precision. Theoretical and experimental results of the past years in this very interesting field of research are summarized and future perspectives are outlined. Since 1991, electric fields have been shown to strongly affect block copolymer structures. Aside from alignment, morphological distortions, order–order, and order–disorder transitions have been described both in bulk and thin films. Important findings of the last two decades are summarized and perspectives for future progress in the field of block copolymers in electric fields are outlined.
ISSN:1022-1352
1521-3935
DOI:10.1002/macp.201100590