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Photoinduced electron transfer from polystyrene pendant tris(2,2'-bipyridyl)ruthenium (II) complex to methylviologen

Journal Article · · J. Polym. Sci., Polym. Chem. Ed.; (United States)
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The characteristics of the photoinduced electron transfer reaction from polystyrene pendant tris(2,2'-bipyridyl)ruthenium (II) complex (Ru(bpy)/sub 3//sup 2 +/) to methylviologen (MV/sup 2 +/) were studied. The rate constant k/sub 1/ from the excited state of the complex, Ru(bpy)/sub 3//sup 2 +/*, to MV/sup 2 +/ were determined for both the polymeric and monomeric complexes from the lifetime t of Ru(bpy)/sub 3//sup 2 +/* and the quenching rate of Ru(bpy)/sub 3//sup 2 +/* by MV/sup 2 +/. The polymer pendant Ru(bpy)/sub 3//sup 2 +/* showed three kinds of tau components ranging from 7 to 474 ns, in contrast to the monomeric complex, which showed one component of 350 ns. The k/sub 1/ values for both complexes were almost the same, on the order of 10/sup 8/ L/mol s. The photoinduced electron transfer from solid-phase Ru(bpy)/sub 3//sup 2 +/ to liquid-phase MV/sup 2 +/ was realized by utilizing the polymer complex, and the solid-liquid interphase reaction system is discussed.

Research Organization:
The Inst. of Physical and Chemical Research, Saltama, Japan
OSTI ID:
7094316
Journal Information:
J. Polym. Sci., Polym. Chem. Ed.; (United States), Journal Name: J. Polym. Sci., Polym. Chem. Ed.; (United States) Vol. 20:4; ISSN JPLCA
Country of Publication:
United States
Language:
English

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Related Subjects

14 SOLAR ENERGY
140500 -- Solar Energy Conversion
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400301* -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
400500 -- Photochemistry
AROMATICS
AZINES
BIPYRIDINES
CATALYTIC EFFECTS
CHEMICAL REACTION KINETICS
COMPLEXES
DATA
ELECTRON TRANSFER
ENERGY LEVELS
EXCITED STATES
EXPERIMENTAL DATA
HETEROCYCLIC COMPOUNDS
HYDROCARBONS
INFORMATION
KINETICS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PHASE TRANSFORMATIONS
PYRIDINES
REACTION KINETICS
RUTHENIUM COMPLEXES
STYRENE
TRANSITION ELEMENT COMPLEXES