Electrogenerated chemiluminescence. 41. Electrogenerated chemiluminescence and chemiluminescence of the Ru(2,2'-bpy)/sub 3//sup 2 +/-S/sub 2/O/sub 8//sup 2 -/ system in acetonitrile-water solutions
Journal Article
·
· J. Am. Chem. Soc.; (United States)
The electrogenerated chemiluminescence (ecl) produced in acetonitrile-water solutions (1:1 by volume) by the reaction of electrogenerated Ru(bpy)/sub 3//sup +/ with the strongly oxidizing intermediate, SO/sub 4//sup -/., generated during reduction of S/sub 2/O/sub 8//sup 2 -/ is described. The orange luminescence (lambda/sub max/ = 625 nm) corresponds to emission from Ru(bpy)/sub 3//sup 2 +/*. The relative ecl intensity is a function of S/sub 2/O/sub 8//sup 2 -/ concentration, and for a 1 mM Ru(bpy)/sub 3//sup 2 +/ solution the maximum ecl intensity was obtained at 15-20 mM S/sub 2/O/sub 8//sup 2 -/. Slightly higher concentrations (>30 mM S/sub 2/O/sub 8//sup 2 -/) effectively quench light emission because of the Ru(bpy)/sub 3//sup 2 +/*-S/sub 2/O/sub 8//sup 2 -/ reaction. The ecl efficiency (photons produced/electrons consumed) was approx. 5% and was insensitive to dissolved O/sub 2/. A chemiluminescence based on reduction with Mg metal is also described.
- Research Organization:
- Univ. of Texas, Austin
- OSTI ID:
- 6450242
- Journal Information:
- J. Am. Chem. Soc.; (United States), Journal Name: J. Am. Chem. Soc.; (United States) Vol. 104:25; ISSN JACSA
- Country of Publication:
- United States
- Language:
- English
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Temperature dependence of the electrogenerated chemiluminescence efficiency of Ru(bpz)/sub 3//sup 2 +/ in acetonitrile. A mechanism interpretation
Journal Article
·
Thu Oct 06 00:00:00 EDT 1988
· J. Phys. Chem.; (United States)
·
OSTI ID:5992998
Electrogenerated chemiluminescence. 42. Electrochemistry and electrogenerated chemiluminescence of the tris(2,2'-bipyrazine)ruthenium(II) system
Journal Article
·
Tue Mar 01 23:00:00 EST 1983
· Inorg. Chem.; (United States)
·
OSTI ID:5684438
Temperature dependence of the electrogenerated chemiluminescence efficiency of Ru(bpz)/sub 3//sup 2 +/ in acetonitrile. A mechanism interpretation
Journal Article
·
Thu Apr 21 00:00:00 EDT 1988
· J. Phys. Chem.; (United States)
·
OSTI ID:7256091
Related Subjects
08 HYDROGEN
080106 -- Hydrogen-- Production-- Biosynthesis & Photochemical Processes
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
400400 -- Electrochemistry
AZINES
BIPYRIDINES
CHALCOGENIDES
CHEMICAL REACTION KINETICS
CHEMILUMINESCENCE
COMPLEXES
DATA
ELECTROLUMINESCENCE
EXPERIMENTAL DATA
HETEROCYCLIC COMPOUNDS
INFORMATION
KINETICS
LUMINESCENCE
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PYRIDINES
REACTION KINETICS
RUTHENIUM COMPLEXES
SULFUR COMPOUNDS
SULFUR OXIDES
TRANSITION ELEMENT COMPLEXES
VOLTAMETRY
080106 -- Hydrogen-- Production-- Biosynthesis & Photochemical Processes
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
400400 -- Electrochemistry
AZINES
BIPYRIDINES
CHALCOGENIDES
CHEMICAL REACTION KINETICS
CHEMILUMINESCENCE
COMPLEXES
DATA
ELECTROLUMINESCENCE
EXPERIMENTAL DATA
HETEROCYCLIC COMPOUNDS
INFORMATION
KINETICS
LUMINESCENCE
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PYRIDINES
REACTION KINETICS
RUTHENIUM COMPLEXES
SULFUR COMPOUNDS
SULFUR OXIDES
TRANSITION ELEMENT COMPLEXES
VOLTAMETRY