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Deactivation of the ruthenium excited state by enhanced homogeneous charge transport: Implications for electrochemiluminescent thin film sensors.
- Source :
-
Electrochemistry Communications . Jan2018, Vol. 86, p90-93. 4p. - Publication Year :
- 2018
-
Abstract
- The electrochemiluminescent (ECL) performance of three ruthenium-based metallopolymer platforms with different homogeneous charge transfer diffusion coefficients ( D CT ) is reported. Significantly, simultaneous detection of light and current in tandem with steady-state photoluminescence studies demonstrate that increasing the rate of Ru 3 + production via enhanced charge transport results in a decrease in ECL intensity of up to 82% when the concentration of the co-reactant, sodium oxalate, is low, i.e., sub-mM. Spectroelectrochemical studies demonstrate that for maximum sensitivity to be obtained, the electroactive properties of the polymeric support matrix need to be considered in tandem with luminophore, analyte and co-reactant concentrations. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 13882481
- Volume :
- 86
- Database :
- Academic Search Index
- Journal :
- Electrochemistry Communications
- Publication Type :
- Academic Journal
- Accession number :
- 127237653
- Full Text :
- https://doi.org/10.1016/j.elecom.2017.11.020