Why are plants green - relationships between pigment absorption and photosynthetic efficiency

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The maximum efficiency of an optically thin photosynthetic system in converting solar radiation into chemical energy is theoretically considered as a function of the absorption spectrum of the photon-collecting pigment. The absorption band position giving maximum rate of power conversion is close to 700 nm in full sunlight and at somewhat shorter wavelength in weaker light. The chemical potential obtainable is decreased if the band is too wide. The effect of a 2nd absorption band (or accessory pigment) on potential is rather small.
    Original languageEnglish
    Pages (from-to)121-129
    JournalPhotosynthetica
    Volume10
    Issue number2
    Publication statusPublished - 1976

    Subject classification (UKÄ)

    • Biological Sciences

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