AFM interaction study of poly(ammonium acrylate) adsorbed on a Si surface in aqueous KCl solution

Toshihiro Isobe, Yosuke Nakano, Yoshikazu Kameshima, Kiyoshi Okada, Akira Nakajima

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Interaction force between solid surfaces in aqueous solvent was investigated using scanning probe microscopy. Only shortrange repulsive forces were observed in a poly(ammonium acrylate) (PAA) solution. Their range increased concomitantly with increase of the molecular weight of the PAA. In a PAA solution with 0.11mM KCl, the PAA adsorbed onto the Si substrate. Furthermore, the interaction force was described by DLVO theory, and repulsive force is thought to originate from the steric hindrance of the PAA.

Original languageEnglish
Pages (from-to)1275-1276
Number of pages2
JournalChemistry Letters
Volume39
Issue number12
DOIs
Publication statusPublished - 2010

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Ammonium Compounds
Scanning probe microscopy
Molecular weight
Substrates
acrylic acid

ASJC Scopus subject areas

  • Chemistry(all)

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AFM interaction study of poly(ammonium acrylate) adsorbed on a Si surface in aqueous KCl solution. / Isobe, Toshihiro; Nakano, Yosuke; Kameshima, Yoshikazu; Okada, Kiyoshi; Nakajima, Akira.

In: Chemistry Letters, Vol. 39, No. 12, 2010, p. 1275-1276.

Research output: Contribution to journalArticle

Isobe, Toshihiro ; Nakano, Yosuke ; Kameshima, Yoshikazu ; Okada, Kiyoshi ; Nakajima, Akira. / AFM interaction study of poly(ammonium acrylate) adsorbed on a Si surface in aqueous KCl solution. In: Chemistry Letters. 2010 ; Vol. 39, No. 12. pp. 1275-1276.
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