Determining Proton Diffusion in Polymer Films by Lifetimes of Luminescent Complexes Measured in the Frequency Domain

Polymer-supported luminescent metal complexes represent an important class of oxygen, pH, and ion sensors. The diffusion properties of the analyte into the sensing film are important for rational sensor and support design and development. We describe a technique using lifetime measurements in the fr...

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Bibliographic Details
Published in:	Analytical chemistry (Washington) Vol. 81; no. 1; pp. 378 - 384
Main Authors:	Bowyer, Walter J, Xu, Wenying, Demas, J. N
Format:	Journal Article
Language:	English
Published:	Washington, DC American Chemical Society 01-01-2009
Subjects:	Analytical chemistry Chemistry Diffusion Exact sciences and technology General, instrumentation Hydrochloric acid Luminescence Metals Polymer films Protons Spectrometric and optical methods Water Polyethylene Luminescence Metal complex Hydrophobic compound Polymer films Bipyridines Chemical sensor Oxygen ion Chemical enrichment Hydrochloric acid Lifetime Sol gel process pHmeter Proton Luminescence spectrometry Diffusion coefficient Diffusion Siloxane polymer Excited state
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