On‐Surface RAFT Polymerization using Oxygen to form Triblock Copolymer Brushes

Surface‐initiated polymerization of various monomers (methacrylic acid, methacrylate, acrylate, acrylamide, and zwitterionic monomer) is conducted to form triblock copolymer brushes using oxygen‐initiated reversible addition−fragmentation chain‐transfer polymerization in the presence of air. An elli...

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Bibliographic Details
Published in:Macromolecular chemistry and physics 2021-11, Vol.222 (22), p.n/a
Main Authors: Lee, Ji Hoon, Seo, Hyun Ji, Lee, Seung Yeon, Cho, Woo Kyung, Son, Kyung‐sun
Format: Article
Language:English
Subjects:
Acrylamide
Addition polymerization
Atomic force microscopy
Block copolymers
Brushes
Contact angle
Ellipsometry
Methacrylic acid
Monomers
Photoelectrons
poly(methacrylic acid)
polymer brushes
Polymerization
RAFT polymerization
Silicon substrates
surface‐initiated polymerization
triblock copolymers
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Summary:Surface‐initiated polymerization of various monomers (methacrylic acid, methacrylate, acrylate, acrylamide, and zwitterionic monomer) is conducted to form triblock copolymer brushes using oxygen‐initiated reversible addition−fragmentation chain‐transfer polymerization in the presence of air. An ellipsometry analysis, water contact angle analysis, X‐ray photoelectron spectroscopy, and atomic force microscopy confirm the successful formation of polymer brushes with complex architectures on a silicon substrate. Surface‐initiated reversible addition−fragmentation chain‐transfer polymerization using oxygen (O2) is used to prepare triblock copolymer brushes comprising various monomers. The successful formation of polymer brushes on a silicon substrate is confirmed by an ellipsometry analysis, water contact angle analysis, X‐ray photoelectron spectroscopy, and atomic force microscopy.
ISSN:1022-1352
1521-3935
DOI:10.1002/macp.202100270