Imaging the Nanophase-separated Structure of Block Copolymer Thin Film by Atomic Force Microscopy in Aqueous Solution
We employed two modes of atomic force microscopy to characterize the nanophase-separated structure of a block copolymer thin film from poly(2-methacryloyloxyethyl phosphorylcholine) and poly(3-(methacryloyloxy) propyl-tris(trimethylsilyloxy) silane) in aqueous solution. The force-spectroscopic mappi...
Gespeichert in:
Veröffentlicht in: | Chemistry letters 2020-06, Vol.49 (6), p.641-644 |
---|---|
Hauptverfasser: | , , , , , |
Format: | Artikel |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | We employed two modes of atomic force microscopy to characterize the nanophase-separated structure of a block copolymer thin film from poly(2-methacryloyloxyethyl phosphorylcholine) and poly(3-(methacryloyloxy) propyl-tris(trimethylsilyloxy) silane) in aqueous solution. The force-spectroscopic mapping mode clearly revealed a mismatch between nanophase arrangement and topography. This mode resolved the nanophase arrangement better than the amplitude-modulated scanning mode, whose phase-delay images were more common in visualizing the chemical distribution. Nevertheless, characterization with both modes allowed us to deduce the three-dimensional structure of the copolymeric films. |
---|---|
ISSN: | 0366-7022 1348-0715 |
DOI: | 10.1246/cl.190894 |