Getting to the Bottom Morphology of Block Copolymer Thin Films

We demonstrate a general approach for attaining the bottom morphology of block copolymer（BCP） thin films. In our former measurements on PS-b-PMMA films, surface morphology maps of the BCP films revealed distinct ordering regimes where the cylinders orient predominantly perpendicular or parallel to t...

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Bibliographic Details
Published in:Chinese journal of polymer science 2016, Vol.34 (1), p.88-93
Main Authors: Fan, Wen-jin, Fan, Guo-qiang, Zhang, Xiao-hua, Yang, Zhao-hui
Format: Article
Language:English
Subjects:
Block copolymers
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Condensed Matter Physics
Cylinders
Industrial Chemistry/Chemical Engineering
Morphology
Order disorder
Polymer Sciences
Substrates
Thin films
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Summary:We demonstrate a general approach for attaining the bottom morphology of block copolymer（BCP） thin films. In our former measurements on PS-b-PMMA films, surface morphology maps of the BCP films revealed distinct ordering regimes where the cylinders orient predominantly perpendicular or parallel to the interface and an ‘intermediate＇ regime where these morphologies coexist. However, this earlier work did not explore the bottom morphology of BCP thin films. In this study, we investigated the block copolymer morphology near the solid substrate in the cast block copolymer film having a perpendicular cylinder morphology on the surface.
ISSN:0256-7679
1439-6203
DOI:10.1007/s10118-016-1731-6