Molecular emission and electronic structure of associated chlorophyll a
Author(s) -
N. E. Binnie,
L. V. Haley,
Tony A. Mattioli,
D. L. Thibodeau,
W. Wang,
J. A. Koningstein
Publication year - 1988
Publication title -
canadian journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.323
H-Index - 68
eISSN - 1480-3291
pISSN - 0008-4042
DOI - 10.1139/v88-279
Subject(s) - chemistry , chlorophyll , raman spectroscopy , chlorophyll a , fluorescence , monomer , exciton , excitation , wavelength , excitation wavelength , emission spectrum , luminescence , analytical chemistry (journal) , photochemistry , diagram , spectral line , optoelectronics , optics , organic chemistry , polymer , materials science , biochemistry , physics , electrical engineering , statistics , mathematics , quantum mechanics , astronomy , engineering
We report the wavelength-selective Raman and fluorescence spectra of monomeric and aggregate species of chlorophyll a in solution. The excitation profile for the molecular emission of the various chlorophyll complexes permit the construction of part of the electronic energy level diagram. For a T-shaped dimeric chlorophyll a, pseudo-exciton splittings of 667 cm −1 in the Soret and 397 cm −1 in the Q y bands are obtained.
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