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Emission Quenching of a Poly(Phenylene Ethynylene) (PPE) in the Solid State

Published online by Cambridge University Press:  01 February 2011

Wayne N. George ,
Joachim H. G. Steinke ,
John C. de Mello ,
Mark Giles  and
Iain McCulloch
Wayne N. George
Affiliation:
wayne.george@imperial.ac.uk, Imperial College London, Biological and Biophysical Chemistry Section, Department of Chemistry, Imperial College London, Exhibition Road, South Kensington Campus, London, N/A, N/A, United Kingdom
Joachim H. G. Steinke*
Affiliation:
j.steinke@imperial.ac.uk, United Kingdom
John C. de Mello
Affiliation:
j.demello@imperial.ac.uk, United Kingdom
Mark Giles
Affiliation:
mark.giles@merckchem.co.uk, United Kingdom
Iain McCulloch
Affiliation:
Iain.McCulloch@merckchem.co.uk, United Kingdom
*
* j.steinke@imperial.ac.uk
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Abstract

The ability of a poly(phenylene ethynylene) conjugated polyelectrolyte to detect a small molecule quencher in the solid state was assessed by coating the polymer onto a plastic-backed, non-fluorescent, silica-gel TLC plate. The efficiency of the emission quenching process was quantified by noting the resulting loss of emission with increasing quencher concentration, in accordance with the Stern-Volmer relation. The emission quenching induced by the addition of the analyte occurred with Stern-Volmer constants in the range of 103 M−1.

Keywords

sensorfilmluminescence
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 888: Symposium V – Materials and Devices for Smart Systems II , 2005 , 0888-V09-20
Copyright
Copyright © Materials Research Society 2006

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References

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