Enhancement of Photocurrent by Integration of an Artificial Light-Harvesting Antenna with a Photosystem I Photovoltaic Device

2019 ◽  
Vol 2 (6) ◽  
pp. 3986-3990 ◽  
Author(s):  
Yuya Takekuma ◽  
Haruki Nagakawa ◽  
Tomoyasu Noji ◽  
Keisuke Kawakami ◽  
Rei Furukawa ◽  
...  
Keyword(s):  
Photosystem I ◽  
Light Harvesting ◽  
Photovoltaic Device ◽  
Artificial Light ◽  
Light Harvesting Antenna

Generation of ion-radical chlorophyll states in the light-harvesting antenna and the reaction center of cyanobacterial photosystem I

2020 ◽  
Vol 146 (1-3) ◽  
pp. 55-73 ◽  
Author(s):  
Dmitry A. Cherepanov ◽  
Ivan V. Shelaev ◽  
Fedor E. Gostev ◽  
Arseniy V. Aybush ◽  
Mahir D. Mamedov ◽  
...  
Keyword(s):  
Reaction Center ◽  
Photosystem I ◽  
Light Harvesting ◽  
Light Harvesting Antenna

Molecular porphyrin­fullerene architectures

2003 ◽  
Vol 75 (8) ◽  
pp. 1069-1075 ◽  
Author(s):  
D. M. Guldi
Keyword(s):  
Reaction Center ◽  
Electron Donor ◽  
Electron Acceptor ◽  
Light Harvesting ◽  
Reorganization Energy ◽  
Electronic Coupling ◽  
Artificial Light ◽  
Coupling Element ◽  
Light Harvesting Antenna ◽  
Energetic Charge

This article describes the utilization of porphyrin and fullerene architectures—yielding artificial light-harvesting antenna and reaction center mimics—to tune the electronic coupling element between electron donor and electron acceptor and ultimately to affect the total reorganization energy. Most importantly, the effects that these parameters have on the rate, yield, and lifetime of the energetic charge-separated states are discussed.

Proteomic Analysis of the Photosystem I Light-Harvesting Antenna in Tomato (Lycopersicon esculentum)†

Biochemistry ◽  
2004 ◽  
Vol 43 (28) ◽  
pp. 9214-9224 ◽  
Author(s):  
Stefanie Storf ◽  
Einar J. Stauber ◽  
Michael Hippler ◽  
Volkmar H. R. Schmid
Keyword(s):  
Lycopersicon Esculentum ◽  
Photosystem I ◽  
Proteomic Analysis ◽  
Light Harvesting ◽  
Light Harvesting Antenna

Acclimation of the Photosynthetic Apparatus to Photosystem I or Photosystem II Light: Evidence from Quantum Yield Measurements and Fluorescence Spectroscopy of Cyanobacterial Cells

1989 ◽  
Vol 44 (1-2) ◽  
pp. 109-118 ◽  
Author(s):  
Anastasios Melis ◽  
Conrad W. Mullineaux ◽  
John F. Allen
Keyword(s):  
Quantum Yield ◽  
Photosystem Ii ◽  
Excitation Energy ◽  
Oxygen Evolution ◽  
Photosystem I ◽  
Light Harvesting ◽  
Ps Ii ◽  
Ps I ◽  
Synechococcus 6301 ◽  
Light Harvesting Antenna

Abstract Cells of the cyanobacterium Synechococcus 6301 were grown under illumination whose spectral composition favoured absorption either by the phycobilisome (PBS) light-harvesting antenna of photosystem II (PS II) or by the chlorophyll (Chi) a light-harvesting antenna of photosystem I (PS I). Cells grown under PS I-light developed relatively high PS II/PS I and PBS/Chl ratios. Cells grown under PS II-light developed relatively low PS II/PS I and PBS/Chl ratios. Thus, the primary difference between cells in the two acclimation states appeared to be the relative concentration of PBS-PS II and PS I complexes in the thylakoid membrane. Measurements of the quantum yield of oxygen evolution suggested a higher efficiency of cellular photosynthesis upon the adjustment of photosystem stoichiometry to a specific light condition. The quantum yield of oxygen evolution was nevertheless lower under PBS than Chi excitation, suggesting quenching of excitation energy in the photochemical apparatus of PS II in Synechococcus 6301. This phenomenon was more pronounced in the PS II-light than in the PS I-light grown cells. Room temperature and 77 K fluorescence emission spectroscopy indicated that excess excitation energy in the PBS was not transferred to PS I, suggesting the operation of a non-radiative and non-photochemical decay of excitation energy at the PBS-PS II complex. This non-photochemical quenching was specific to conditions where excitation of PS II occurred in excess of its capacity for useful photochemistry.

Photochemical Bleaching of an Elaborate Artificial Light-Harvesting Antenna

ChemPhysChem ◽  
2015 ◽  
Vol 16 (9) ◽  
pp. 1867-1872 ◽  
Author(s):  
Mohammed A. H. Alamiry ◽  
Anthony Harriman ◽  
Alexandre Haefele ◽  
Raymond Ziessel
Keyword(s):  
Light Harvesting ◽  
Artificial Light ◽  
Light Harvesting Antenna

Photochemical Bleaching of an Elaborate Artificial Light-Harvesting Antenna

ChemPhysChem ◽  
2015 ◽  
Vol 16 (9) ◽  
pp. 1793-1793
Author(s):  
Mohammed A. H. Alamiry ◽  
Anthony Harriman ◽  
Alexandre Haefele ◽  
Raymond Ziessel
Keyword(s):  
Light Harvesting ◽  
Artificial Light ◽  
Light Harvesting Antenna

scholarly journals Nucleotide sequence and chromosomal location of Cab11 and Cab12, the genes for the fourth polypeptide of the photosystem I light-harvesting antenna (LHCI)

FEBS Letters ◽  
1991 ◽  
Vol 280 (2) ◽  
pp. 229-234 ◽  
Author(s):  
Egbert Schwartz ◽  
Dingren Shen ◽  
Ruedi Aebersold ◽  
J.Mitchell McGrath ◽  
Eran Pichersky ◽  
...  
Keyword(s):  
Nucleotide Sequence ◽  
Photosystem I ◽  
Light Harvesting ◽  
Chromosomal Location ◽  
Light Harvesting Antenna
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