Multilayered assemblies composed of brilliant yellow and poly(allylamine) for an optical pH sensor

Yuya Egawa, Ryosuke Hayashida, Jun Ichi Anzai

Research output: Contribution to journalArticlepeer-review

44 Citations (Scopus)

Abstract

Multilayered thin films containing poly(allylamine) (PAA) and brilliant yellow (BY) were prepared on a quartz slide by a layer-by-layer (LBL) deposition technique. The UV-visible spectra of the PAA/BY films were sufficiently changed depending upon the pH value of the solution in which the film was immersed. The response of the PAA/BY films was very fast (within a second) upon pH change from 9.0 to 5.0, while the response time was ca. 100 s upon pH change from 5.0 to 9.0. 2006

Original languageEnglish
Pages (from-to)1117-1119
Number of pages3
Journalanalytical sciences
Volume22
Issue number8
DOIs
Publication statusPublished - 2006

ASJC Scopus subject areas

  • Analytical Chemistry

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