Adsorption properties of polyelectrolytes in ultrathin multilayer assemblies: Investigations using the quartz crystal microbalance (QCM) technique

Akira Baba, Futao Kaneko, Rigoberto C. Advincula

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The in situ processes of alternate polyelectrolyte and dye self-assembly processes in ultrathin films was investigated using quartz crystal microbalance techniques. The time dependence of the frequency change showed a rapid initial decrease in frequency, followed by a less steep behavior. It was assumed that the adsorption rate is proportional to the polymer solution concentration and to the number of remaining unbound sites. The equation ln{(F-F∞)/(F0-F∞)} = -kt, was obtained, where t = time, F = the frequency at t, F0 = the initial frequency, F∞ = the saturation frequency, and k = the pseudo-first-order rate constant. The measured data were fitted with the equation and the τ values for different pairs were calculated.

Original languageEnglish
Pages (from-to)488-489
Number of pages2
JournalAmerican Chemical Society, Polymer Preprints, Division of Polymer Chemistry
Volume40
Issue number1
Publication statusPublished - 1999 Mar
Externally publishedYes

Fingerprint

Ultrathin films
Quartz crystal microbalances
Polymer solutions
Polyelectrolytes
Self assembly
Rate constants
Multilayers
Coloring Agents
Dyes
Adsorption

ASJC Scopus subject areas

  • Polymers and Plastics

Cite this

Adsorption properties of polyelectrolytes in ultrathin multilayer assemblies : Investigations using the quartz crystal microbalance (QCM) technique. / Baba, Akira; Kaneko, Futao; Advincula, Rigoberto C.

In: American Chemical Society, Polymer Preprints, Division of Polymer Chemistry, Vol. 40, No. 1, 03.1999, p. 488-489.

Research output: Contribution to journalArticle

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