DETERMINATION OF THE TRANSDUCTION MECHANISM FOR OPTICAL SENSORS BASED ON RHODAMINE 6G IMPREGNATED PERFLUOROSULFONATE FILMS USING STEADY-STATE AND FREQUENCY-DOMAIN FLUORESCENCE

被引：28

作者：

LITWILER, KS ^{[1
]}

KLUCZYNSKI, PM ^{[1
]}

BRIGHT, FV ^{[1
]}

机构：

[1] SUNY BUFFALO,DEPT CHEM,BUFFALO,NY 14214

来源：

ANALYTICAL CHEMISTRY | 1991年 / 63卷 / 08期

关键词：

D O I：

10.1021/ac00008a012

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Multifrequency phase-modulation fluorescence spectroscopy is used to investigate the dynamics of thin Nafion films impregnated with rhodamine 6G (R6G). Using this approach, we explore the photophysics 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.

引用

页码：797 / 802

页数：6

共 33 条

[1] RESOLVABILITY OF FLUORESCENCE LIFETIME DISTRIBUTIONS USING PHASE FLUOROMETRY [J].