Dewetting of Confined Diblock Copolymer Films

Nanostructured polymer surfaces resulting from the dewetting in the final phase of the spin-coating process are investigated in the model system poly(styrene-block-isoprene). The surface topography is determined with atomic-force microscopy (AFM). It is well characterized by droplets as a typical de...

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Bibliographic Details
Published in:Journal of macromolecular science. Physics 2004-01, Vol.43 (1), p.29-42
Main Authors: Müller-Buschbaum, P., Hermsdorf, N., Gutmann, J. S., Stamm, M., Cunis, S., Gehrke, R., Petry, W.
Format: Article
Language:English
Subjects:
AFM
Applied sciences
Diblock copolymers
DSP
Exact sciences and technology
GISAS
Organic polymers
Physicochemistry of polymers
Properties and characterization
Structure, morphology and analysis
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Summary:Nanostructured polymer surfaces resulting from the dewetting in the final phase of the spin-coating process are investigated in the model system poly(styrene-block-isoprene). The surface topography is determined with atomic-force microscopy (AFM). It is well characterized by droplets as a typical dewetting morphology. From the combination of grazing incidence small and ultrasmall angle scattering the internal order inside the nanostructures is determined. A periodic arrangement of the diblock copolymers resulting from a microphase separation process is observed. The characteristic distance increases as compared with the bulk periodic structure.
ISSN:0022-2348
1525-609X
DOI:10.1081/MB-120027749