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Spectral luminescence and photochemical properties of chlorophyll a in solution containing carbon tetrachloride

Journal Article · · J. Appl. Spectrosc. (Engl. Transl.); (United States)
DOI:https://doi.org/10.1007/BF00665553· OSTI ID:5710577
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Studies were conducted on photophysical and photochemical processes in chlorophyll a in carbon tetrachloride and ether by means of flash photolysis, electron spin resonance, and fluorescence spectroscopy. Lifetimes and quenching of triplet states were analyzed and absorption spectra and fluorescence decay times are given. The kinetics of triplet-triplet absorption and hyperfine structure were determined. An absolute quantum yield of the photochemical reaction was measured within the range of linear dependence of the optical density on the time of chlorophyll a irradiation by a krypton laser and the excitation wavelength of 647.1 nm.
OSTI ID:
5710577
Journal Information:
J. Appl. Spectrosc. (Engl. Transl.); (United States), Journal Name: J. Appl. Spectrosc. (Engl. Transl.); (United States) Vol. 46:2; ISSN JASYA
Country of Publication:
United States
Language:
English

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400500 -- Photochemistry
640302* -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ABSORPTION SPECTRA
CARBON TETRACHLORIDE
CARBOXYLIC ACIDS
CATIONS
CHARGED PARTICLES
CHEMICAL REACTIONS
CHLORINATED ALIPHATIC HYDROCARBONS
CHLOROPHYLL
ELECTROMAGNETIC RADIATION
ELECTRON SPIN RESONANCE
ELECTRON TRANSFER
EMISSION SPECTROSCOPY
ENERGY-LEVEL TRANSITIONS
ETHERS
EXCITATION
FLUORESCENCE
FLUORESCENCE SPECTROSCOPY
HALOGENATED ALIPHATIC HYDROCARBONS
HETEROCYCLIC ACIDS
HETEROCYCLIC COMPOUNDS
HYPERFINE STRUCTURE
IONS
LASER RADIATION
LASER SPECTROSCOPY
LIFETIME
LUMINESCENCE
MAGNETIC RESONANCE
MULTIPLETS
ORGANIC ACIDS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
PHOTOCHEMICAL REACTIONS
PHYTOCHROMES
PIGMENTS
PORPHYRINS
PROTEINS
QUANTITY RATIO
QUENCHING
RADIATIONS
RADICALS
RESONANCE
SPECTRA
SPECTROSCOPY
TIME DEPENDENCE
TRIPLETS