Order−Disorder Transition in Surface-Induced Nanopattern of Diblock Copolymer Films

Formation of surface-induced nanopattern (SINPAT) in ultrathin diblock copolymer films is studied by scanning force microscopy and Monte Carlo simulation. The pattern is caused by strong adsorption of one of the two blocks forming a quasi-two-dimensional coil while the other block dewets this adsorp...

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Published inMacromolecules Vol. 33; no. 1; pp. 150 - 157
Main Authors Spatz, Joachim P, Eibeck, Peter, Mössmer, Stefan, Möller, Martin, Kramarenko, Elena Yu, Khalatur, Pavel. G, Potemkin, Igor I, Khokhlov, Alexei R, Winkler, Roland G, Reineker, Peter
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LanguageEnglish
Published Washington, DC American Chemical Society 11.01.2000
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Abstract Formation of surface-induced nanopattern (SINPAT) in ultrathin diblock copolymer films is studied by scanning force microscopy and Monte Carlo simulation. The pattern is caused by strong adsorption of one of the two blocks forming a quasi-two-dimensional coil while the other block dewets this adsorption layer. Scanning force microscopy allowed to observe an order−disorder transition for a SINPAT film of polystyrene-block-poly(2-vinylpyridine) on mica when the length of the dewetting polystyrene block was varied. The experimental data are compared with the Monte Carlo simulations which demonstrate how the pattern formation depends on the degree of polymerization of the dewetting block and the unfavorable interaction potential between the different components.
AbstractList Formation of surface-induced nanopattern (SINPAT) in ultrathin diblock copolymer films is studied by scanning force microscopy and Monte Carlo simulation. The pattern is caused by strong adsorption of one of the two blocks forming a quasi-two-dimensional coil while the other block dewets this adsorption layer. Scanning force microscopy allowed to observe an order−disorder transition for a SINPAT film of polystyrene-block-poly(2-vinylpyridine) on mica when the length of the dewetting polystyrene block was varied. The experimental data are compared with the Monte Carlo simulations which demonstrate how the pattern formation depends on the degree of polymerization of the dewetting block and the unfavorable interaction potential between the different components.
Author Eibeck, Peter
Potemkin, Igor I
Kramarenko, Elena Yu
Khokhlov, Alexei R
Winkler, Roland G
Spatz, Joachim P
Mössmer, Stefan
Möller, Martin
Khalatur, Pavel. G
Reineker, Peter
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  surname: Kramarenko
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  surname: Khalatur
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Issue 1
Keywords Ultrathin films
Surface effect
Monte Carlo method
Patterning
Pyridine(2-vinyl) copolymer
Computer simulation
Diblock copolymer
Surface topography
Order disorder transformation
Experimental study
Styrene copolymer
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Snippet Formation of surface-induced nanopattern (SINPAT) in ultrathin diblock copolymer films is studied by scanning force microscopy and Monte Carlo simulation. The...
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SubjectTerms Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Properties and characterization
Structure, morphology and analysis
Title Order−Disorder Transition in Surface-Induced Nanopattern of Diblock Copolymer Films
URI http://dx.doi.org/10.1021/ma990751p
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