The charge-transfer character of the S(sub 0) --> S(sub 2) transition in the caroteniod peridinin is revealed by stark spectroscopy
Article Abstract:
Peridinin, the carotenoid in the peridinin chlorophyll a protein (PCP) was studied by Stark (electroabsorption) spectroscopy to determine the change in electrostatic properties produced on excitation within the absorption band, in methyl tetrahydrofuran (MeTHF) versus ethylene glycol (EG) at 77K. The Stark spectra of peridinin reveal that peridinin undergoes photoinduced charge transfer, both in polar (MeTHF) and in the protic polar (EG) environment.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
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Explaining the visible and near-infrared circular dichroism spectra of light-harvesting 1 complexes from purple bacteria: A modeling study
Article Abstract:
The origin and characteristics of the circular dichroism (CD) spectrum of various light-harvesting 1 (LH1) complexes was investigated. The absorption and CD spectra in the bacteriochlorophyll (BChl) Q(sub Y) and Q(sub X) regions as well as carotenoid region were studied.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
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