ON THE MORPHOLOGY OF A LAMELLAR TRIBLOCK COPOLYMER FILM

  • WH DEJEU*
  • , P LAMBOOY
  • , IW HAMLEY
  • , D VAKNIN
  • , JS PEDERSEN
  • , K KJAER
  • , R SEYGER
  • , P VANHUTTEN
  • , G HADZIIOANNOU
  • *Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

X-ray and neutron reflectivity are used to study the morphology of a triblock copolymer of d-poly(styrene) and poly(2-vinylpyridine) in the form P2VP30-dPS60-P2VP30 deposited as a film on a silicon wafer. Microphase separation leads to a lamellar film which is strongly quantized in layers of about 300 angstrom each and with P2VP at the silicon substrate. The confinement of the polymer ends to the same plane leads for the top layer to a > of the polymer, so that the middle PS part can still wet the air interface completely.

Original languageEnglish
Pages (from-to)139-146
Number of pages8
JournalJournal de Physique II
Volume3
Issue number1
Publication statusPublished - Jan-1993

Keywords

  • MOLECULAR-WEIGHT DEPENDENCE
  • DIBLOCK COPOLYMERS
  • NEUTRON REFLECTIVITY
  • MICELLE FORMATION
  • BLOCK
  • HOMOPOLYMERS
  • INTERFACE

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