Combination of temperature and saturated vapor annealing for phase separation of block copolymer

Jan Švanda, Oleksiy Lyutakov, Vladimíra Vosmanská, Václav Švorčík

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Phase separation of block copolymer films is a perspective technique for the creation of nanostructured templates. The phase separation can be induced by thermal or vapor solvent annealing. However, a standardized and reproducible technique of the phase separation is still missing, even though many papers describing various experimental conditions. In this article we have tried to develop standardized and reproducible technique of the phase separation, which can be easily scaled up. For this purpose we used the combination of the thermal and vapor annealing of poly(styrene-b-4-vinylpyridine) copolymer films on a glass substrate under static conditions. The technique was tailored by the choice of optimal solvent for the vapor annealing, based on the solvent-polymer interaction. Finally, the films were reconstructed by immersing in methanol or ethanol and stretching of the P4VP component during the reconstruction was investigated by the angle-resolved X-ray photoelectron spectroscopy. Morphology of the films was investigated by the atomic force microscopy and confocal microscopy. The kinetics of the phase separation was also studied. The presented combined technique of the thermal and vapor annealing can be easily temperature-controlled for reproducibly obtaining the films of a desired morphology.

Original languageEnglish
Article number41853
JournalJournal of Applied Polymer Science
Volume132
Issue number16
DOIs
Publication statusPublished - 1 Apr 2015
Externally publishedYes

Fingerprint

Phase separation
Block copolymers
Vapors
Annealing
Temperature
Styrene
Confocal microscopy
Stretching
Methanol
Atomic force microscopy
Polymers
Ethanol
X ray photoelectron spectroscopy
Copolymers
Glass
Kinetics
Substrates
Hot Temperature

Keywords

  • Coatings
  • Copolymers
  • Films; morphology
  • Nanostructured polymers

ASJC Scopus subject areas

  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Combination of temperature and saturated vapor annealing for phase separation of block copolymer. / Švanda, Jan; Lyutakov, Oleksiy; Vosmanská, Vladimíra; Švorčík, Václav.

In: Journal of Applied Polymer Science, Vol. 132, No. 16, 41853, 01.04.2015.

Research output: Contribution to journalArticle

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