Evidence for ultrafast exciton localization in the Q sub y band of bacteriochlorophyll a-protein from Prosthecochloris aestuarii

Journal Article · Thu Sep 20 00:00:00 EDT 1990 · Journal of Physical Chemistry; (USA)

DOI:https://doi.org/10.1021/j100382a004· OSTI ID:6404247

Lyle, P A; Struve, W S ^[1]

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1. Iowa State Univ., Ames (USA)

Time-dependent linear dichroism was observed for several wavelengths in the Q{sub y} band of the BChl a-protein antenna complex from Prosthecochloris aestuarii, and photobleaching spectra were obtained for evidence of exciton localization. The results indicate that excitation transport in this antenna proceeds largely through incoherent hopping between localized states at times longer than 2 ps.

• DOE Contract Number: W-7405-ENG-82
• OSTI ID: 6404247
• Journal Information: Journal of Physical Chemistry; (USA), Journal Name: Journal of Physical Chemistry; (USA) Vol. 94:19; ISSN JPCHA; ISSN 0022-3654
• Country of Publication: United States
• Language: English

Related Subjects

14 SOLAR ENERGY
140505* -- Solar Energy Conversion-- Photochemical
Photobiological
& Thermochemical Conversion-- (1980-)
CHLOROPHYLL-BINDING PROTEINS
DICHROISM
ENERGY TRANSFER
EXCITONS
ORGANIC COMPOUNDS
PHOTOSYNTHETIC BACTERIA
PHOTOSYNTHETIC REACTION CENTERS
PROTEINS
QUASI PARTICLES
SPECTROSCOPY