Direct observation of polyelectrolyte brushes under wet and dry conditions by atmospheric scanning electron microscopy

Takeshi Higuchi, Yuji Konyuba, Hidetoshi Nishiyama, Mitsuo Suga, Atsushi Takahara, Hiroshi Jinnai

研究成果: Contribution to journalArticle査読

2 被引用数 (Scopus)

抄録

Polyelectrolyte brushes are polyelectrolyte polymers with one end fixed to a substrate. In this study, direct nano-scale visualization of polyelectrolyte brushes was carried out under 'aqueous conditions' by atmospheric scanning electron microscopy. The thickness of the polyelectrolyte brush layer was measured under both dry and aqueous conditions, experimentally confirming the swollen state of the brushes. These experimental findings qualitatively agreed with the results from previous neutron reflectivity experiments using similar polyelectrolyte brushes. Such direct visualization of polymer brushes in real space opens up a new route for better understanding their surface properties, such as friction, adhesion and wettability.

本文言語英語
ページ(範囲)139-144
ページ数6
ジャーナルMicroscopy
65
2
DOI
出版ステータス出版済み - 4 1 2019

All Science Journal Classification (ASJC) codes

  • Structural Biology
  • Instrumentation
  • Radiology Nuclear Medicine and imaging

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