Journal article
Electrogenerated Chemiluminescence for Potentiometric Sensors
Journal of the American Chemical Society, Vol.154(1), pp.205-207
2012
Abstract
We report here on a generic approach to read out potentiometric sensors with electrogenerated chemiluminescence (ECL). In a first example, a potassium ion-selective electrode acts as the reference electrode and is placed in contact with the sample solution. The working electrode of the three-electrode cell is responsible for ECL generation and placed in a detection solution containing tris(2,2′-bipyridyl)ruthenium(II) [Ru(bpy)3 2+] and the coreactant 2-(dibutylamino)ethanol (DBAE), physically separated from the sample by a bridge. Changes in the sample potassium concentration directly modulate the potential at the working electrode, and hence the ECL output, when a constant-potential pulse is applied between the two electrodes. A linear response of the ECL intensity to the logarithmic potassium concentration between 10 μm and 10 mM was found.
Details
- Title
- Electrogenerated Chemiluminescence for Potentiometric Sensors
- Authors
- G A Crespo (Author) - University of Geneva, SwitzerlandG Mistlberger (Author) - University of Geneva, SwitzerlandEric Bakker (Author) - University of Geneva, Switzerland
- Publication details
- Journal of the American Chemical Society, Vol.154(1), pp.205-207
- Publisher
- American Chemical Society
- Date published
- 2012
- DOI
- 10.1021/ja210600k
- ISSN
- 0002-7863
- Organisation Unit
- University of the Sunshine Coast, Queensland
- Language
- English
- Record Identifier
- 99449679002621
- Output Type
- Journal article
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- Web Of Science research areas
- Chemistry, Multidisciplinary