Abstract
The techniques of evanescent wave induced fluorescence spectroscopy (EWIFS) and time-correlated single-photon counting have been combined to investigate the photophysical properties of auramine-O at a solid/solution interface. Interaction of the dye with the surface causes an enhancement of the fluorescence quantum efficiency through the restriction of intramolecular rotations. The fluorescence kinetics of the adsorbed molecules are shown to be a function of surface and bulk solution concentration. The application of the maximum entropy method to the analysis of EWIFS decays is also introduced and discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 161-167 |
| Number of pages | 7 |
| Journal | Journal of Colloid and Interface Science |
| Volume | 169 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Jan 1995 |
ASJC Scopus subject areas
- Colloid and Surface Chemistry
- Physical and Theoretical Chemistry
- Surfaces and Interfaces
- Surfaces, Coatings and Films
- Electronic, Optical and Magnetic Materials
- Biomaterials
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De Mello, A. J., Crystall, B., & Rumbles, G. (1995). Evanescent wave spectroscopic studies of surface enhanced fluorescence quantum efficiencies. Journal of Colloid and Interface Science, 169(1), 161-167. https://doi.org/10.1006/jcis.1995.1017