Adsorption behaviors of methyl orange to alternate polyion films as studied by in-situ absorption and second harmonic generation measurements

Yasuro Niidome, Shogo Tagawa, Sunao Yamada

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In-situ second harmonic generation (SHG) and total reflection absorption techniques were applied to the studies of the adsorption process of methyl orange at the polyion layer formed on the surface of a glass prism. In the case of poly(diallyldimethyl ammnoium chloride) (PDDA), adsorption isotherms obtained from the both techniques were well fitted to the Langmuir model, implying the same degree of noncentrosymmetric alignment during the adsorption process. As to poly(allylamine)hydrochloride (PAH), on the other hand, the both data resulted in different adsorption profiles; the Langmuir model was used for the absorption data, while the Brunauer-Emmett-Teller (BET) model for the SHG results.

Original languageEnglish
Pages (from-to)467-472
Number of pages6
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
Volume198-200
DOIs
Publication statusPublished - Feb 18 2002

Fingerprint

Harmonic generation
harmonic generations
Adsorption
adsorption
Polycyclic aromatic hydrocarbons
Prisms
Adsorption isotherms
Chlorides
hydrochlorides
polycyclic aromatic hydrocarbons
prisms
Glass
isotherms
chlorides
alignment
methyl orange
glass
profiles

All Science Journal Classification (ASJC) codes

  • Surfaces and Interfaces
  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

Cite this

Adsorption behaviors of methyl orange to alternate polyion films as studied by in-situ absorption and second harmonic generation measurements. / Niidome, Yasuro; Tagawa, Shogo; Yamada, Sunao.

In: Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol. 198-200, 18.02.2002, p. 467-472.

Research output: Contribution to journalArticle

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