Efficiency of energy storage in photochemical electron transfer reactions
Journal Article
·
· Dokl. Phys. Chem. (Engl. Transl.); (United States)
OSTI ID:6277917
This paper analyzes the efficiency of energy storage in products (states) of electron-transfer photoreactions and discusses optimal storage conditions. The reversible electron-transfer photochemical reaction between an excited donor and an acceptor in liquid polar solvents is considered. Energy can be stored in the radical-ion pairs as well as in the radical ions. For a given donor, the maximum storable energy will be obtained by an acceptor whose E/sub 3/ lies below the triplet level E/sub t/ by 2500 +- 1000 cm/sup -1/. For example, for chlorophyll a, the storable energy from its photooxidation will be maximum when E/sub 1/2/ of the acceptor ranges from -0.4 to -0.6 V. (DLC)
- Research Organization:
- Academy of Sciences of the USSR, Moscow
- OSTI ID:
- 6277917
- Journal Information:
- Dokl. Phys. Chem. (Engl. Transl.); (United States), Journal Name: Dokl. Phys. Chem. (Engl. Transl.); (United States) Vol. 255:1, 2, 3; ISSN DKPCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
25 ENERGY STORAGE
250800* -- Energy Storage-- Chemical
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400500 -- Photochemistry
CHEMICAL REACTIONS
ELECTRON TRANSFER
ENERGY LEVELS
ENERGY STORAGE
EQUATIONS
EXCITED STATES
ION PAIRS
MULTIPLETS
OPTIMIZATION
PHOTOCHEMICAL REACTIONS
RADICALS
STORAGE
TRIPLETS
250800* -- Energy Storage-- Chemical
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400500 -- Photochemistry
CHEMICAL REACTIONS
ELECTRON TRANSFER
ENERGY LEVELS
ENERGY STORAGE
EQUATIONS
EXCITED STATES
ION PAIRS
MULTIPLETS
OPTIMIZATION
PHOTOCHEMICAL REACTIONS
RADICALS
STORAGE
TRIPLETS