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Photophysics of High Concentration Systems at a Solution / Solid Interface: An Evanescentwave Study

Published online by Cambridge University Press:  10 February 2011

J.A. Elliott ,
G. Rumbles ,
A.J. De Mello  and
H.L. Anderson
J.A. Elliott
Affiliation:
Department of Chemistry, Imperial College, London SW7 2AY, UK, [email protected]
G. Rumbles
Affiliation:
Department of Chemistry, Imperial College, London SW7 2AY, UK, [email protected]
A.J. De Mello
Affiliation:
Department of Chemistry, Imperial College, London SW7 2AY, UK, [email protected]
H.L. Anderson
Affiliation:
The Dyson Perrins Laboratory, University of Oxford, Oxford OX1 3QY.
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Abstract

For many species the study of photophysical behaviour by fluorescence spectroscopy has been confined to low concentration as a result of the influence of the inner filter effect. In this paper we report how the total internal reflection technique of evanescent wavefluorescence spectroscopy (EWIFS) allows both the collection of distortion free steady-state fluorescence emission spectra and quantitative analysis of such species, in ‘bulk’ solution environment, to significantly higher concentration than can be achieved with a conventional ( right-angle ) geometry. A study of two species, the laser dye rhodamine 101 and anovel meso-substituted zinc prophyrin is presented.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 464: Symposium FF – Dynamics in Small Confining Systems III , 1996 , 295
Copyright
Copyright © Materials Research Society 1997

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References

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