Kinetics of electron transfer in quenching of triplet state of xanthene dyes by cyanide complexes of transition metals
Journal Article
·
· Bull. Acad. Sci. USSR, Div. Chem. Sci. (Engl. Transl.); (United States)
The authors investigated the kinetics of electron transfer between molecules of dyes in the TS (eosin, Bengal rose) and cyanide complexes of Fe(II), Fe(III), Mo(IV), W(IV), Ru(II), and Co(III) in aqueous solutions. The authors found that electron transfer is the principal mechanism for quenching of the triplet state of eosin and Bengal rose by cyanide complexes of W(IV), Mo(IV), Fe(II), and Fe(III). The systems consisting of eosin or Bengal rose and cyanide complexes are not characterized by a single value of the internal barrier to electron transfer. Values have been calculated for the internal barriers to the electron transfer reaction in quenching of the triplet state of eosin and Bengal rose by cyanide complexes of W(IV), Mo(IV), Fe(II), Fe(III), Co(III), and Ru(II), and values have been estimated for the internal barriers to self-exchange reactions of eosin and Bengal rose in the triplet state.
- Research Organization:
- V. I. Vernadskii Institute of Geochemistry and Analytical Chemistry, Moscow (USSR)
- OSTI ID:
- 5416920
- Journal Information:
- Bull. Acad. Sci. USSR, Div. Chem. Sci. (Engl. Transl.); (United States), Journal Name: Bull. Acad. Sci. USSR, Div. Chem. Sci. (Engl. Transl.); (United States) Vol. 36:3; ISSN BACCA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Electron transfer in the quenching of triplet methylene blue by complexes of iron(II)
Slow triplet energy transfer to lower excited states in ruthenium(II) acylpyridine complexes
Mechanism for triple-state concentration quenching in xanthene dyes
Journal Article
·
Wed Jul 02 00:00:00 EDT 1980
· J. Am. Chem. Soc.; (United States)
·
OSTI ID:6776102
Slow triplet energy transfer to lower excited states in ruthenium(II) acylpyridine complexes
Journal Article
·
Tue Mar 31 23:00:00 EST 1987
· J. Am. Chem. Soc.; (United States)
·
OSTI ID:6508569
Mechanism for triple-state concentration quenching in xanthene dyes
Journal Article
·
Mon Sep 01 00:00:00 EDT 1986
· J. Appl. Spectrosc. (Engl. Transl.); (United States)
·
OSTI ID:6962467
Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
400500 -- Photochemistry
ALKALI METAL COMPOUNDS
CARBOXYLIC ACIDS
CATALYTIC EFFECTS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COBALT COMPLEXES
COMPLEXES
CYANIDES
DE-EXCITATION
DECOMPOSITION
DYES
ELECTRON TRANSFER
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EOSIN
EXCITED STATES
GROUND STATES
HETEROCYCLIC COMPOUNDS
HYDROXY ACIDS
INDICATORS
IRON COMPLEXES
KINETICS
MOLYBDENUM COMPLEXES
MULTIPLETS
ORGANIC ACIDS
ORGANIC BROMINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
OXIDATION
PHOTOCHEMICAL REACTIONS
PHOTOLYSIS
POTASSIUM COMPOUNDS
PYRANS
QUENCHING
REACTION KINETICS
REDUCTION
RUTHENIUM COMPLEXES
TRANSITION ELEMENT COMPLEXES
TRIPLETS
TUNGSTEN COMPLEXES
400201* -- Chemical & Physicochemical Properties
400500 -- Photochemistry
ALKALI METAL COMPOUNDS
CARBOXYLIC ACIDS
CATALYTIC EFFECTS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COBALT COMPLEXES
COMPLEXES
CYANIDES
DE-EXCITATION
DECOMPOSITION
DYES
ELECTRON TRANSFER
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EOSIN
EXCITED STATES
GROUND STATES
HETEROCYCLIC COMPOUNDS
HYDROXY ACIDS
INDICATORS
IRON COMPLEXES
KINETICS
MOLYBDENUM COMPLEXES
MULTIPLETS
ORGANIC ACIDS
ORGANIC BROMINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
OXIDATION
PHOTOCHEMICAL REACTIONS
PHOTOLYSIS
POTASSIUM COMPOUNDS
PYRANS
QUENCHING
REACTION KINETICS
REDUCTION
RUTHENIUM COMPLEXES
TRANSITION ELEMENT COMPLEXES
TRIPLETS
TUNGSTEN COMPLEXES