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Determination of the Transduction Mechanism for Optical Sensors Based on Rhodamine 6G Impregnated Perfluorosulfonate Films Using Steady-State and Frequency-Domain Fluorescence

  • SUNY Buffalo

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Multifrequency phase-modulation fluorescence spectroscopy is used to Investigate the dynamics of thin Nation films Impregnated with rhodamine 6G (R6G). Using this approach, we explore the photophyslcs of these films as a function of R6G concentration, water content, Cu(II) quencher concentration, and film preparation procedure. From this, we infer how these films function as chemical recognition elements in fiber-optic-based sensors. The decay kinetics for all films studied are best described by a simple bioexponential decay law, a result of ground-state dimer formation.

Original languageEnglish
Pages (from-to)797-802
Number of pages6
JournalAnalytical Chemistry
Volume63
Issue number8
DOIs
StatePublished - Apr 1 1991

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