Energy migration and exciton trapping in green plant photosynthesis

Nicholas E. Geacintov; Jacques Breton; Robert S. Knox

doi:10.1007/BF00118288

Energy migration and exciton trapping in green plant photosynthesis

Nicholas E. Geacintov, Jacques Breton, Robert S. Knox

Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

The possible origins of the different fluorescence decay components in green plants are discussed in terms of a random walk and Butler's bipartite model. The interaction of the excitations with the photosystem II reaction centers and, specifically, the regeneration of theses excitations by charge recombination within the reaction centers, are considered. Based on comparisons between fluorescence decay profiles, time-dependent exciton annihilation and photoelectric phenomena, it appears that the fast 200 ps decay component corresponds to primary energy transport from the antenna to the reaction centers and is dominant in filling the photosystem II reaction centers.

Original language	English (US)
Pages (from-to)	233-242
Number of pages	10
Journal	Photosynthesis Research
Volume	10
Issue number	3
DOIs	https://doi.org/10.1007/BF00118288
State	Published - Jan 1986

Keywords

charge recombination and fluorescence
chloroplasts
fluorescence decay components
reaction centers

ASJC Scopus subject areas

Biochemistry
Plant Science
Cell Biology

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10.1007/BF00118288

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title = "Energy migration and exciton trapping in green plant photosynthesis",

abstract = "The possible origins of the different fluorescence decay components in green plants are discussed in terms of a random walk and Butler's bipartite model. The interaction of the excitations with the photosystem II reaction centers and, specifically, the regeneration of theses excitations by charge recombination within the reaction centers, are considered. Based on comparisons between fluorescence decay profiles, time-dependent exciton annihilation and photoelectric phenomena, it appears that the fast 200 ps decay component corresponds to primary energy transport from the antenna to the reaction centers and is dominant in filling the photosystem II reaction centers.",

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author = "Geacintov, {Nicholas E.} and Jacques Breton and Knox, {Robert S.}",

year = "1986",

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pages = "233--242",

journal = "Photosynthesis Research",

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AU - Geacintov, Nicholas E.

AU - Breton, Jacques

AU - Knox, Robert S.

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N2 - The possible origins of the different fluorescence decay components in green plants are discussed in terms of a random walk and Butler's bipartite model. The interaction of the excitations with the photosystem II reaction centers and, specifically, the regeneration of theses excitations by charge recombination within the reaction centers, are considered. Based on comparisons between fluorescence decay profiles, time-dependent exciton annihilation and photoelectric phenomena, it appears that the fast 200 ps decay component corresponds to primary energy transport from the antenna to the reaction centers and is dominant in filling the photosystem II reaction centers.

AB - The possible origins of the different fluorescence decay components in green plants are discussed in terms of a random walk and Butler's bipartite model. The interaction of the excitations with the photosystem II reaction centers and, specifically, the regeneration of theses excitations by charge recombination within the reaction centers, are considered. Based on comparisons between fluorescence decay profiles, time-dependent exciton annihilation and photoelectric phenomena, it appears that the fast 200 ps decay component corresponds to primary energy transport from the antenna to the reaction centers and is dominant in filling the photosystem II reaction centers.

KW - charge recombination and fluorescence

KW - chloroplasts

KW - fluorescence decay components

KW - reaction centers

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JF - Photosynthesis Research

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Energy migration and exciton trapping in green plant photosynthesis

Abstract

Keywords

ASJC Scopus subject areas

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