Challenges facing an understanding of the nature of low-energy excited states in photosynthesis

Publication Type:
Journal Article
Biochimica et Biophysica Acta - Bioenergetics, 2016, 1857 (9), pp. 1627 - 1640
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© 2016 Elsevier B.V. While the majority of the photochemical states and pathways related to the biological capture of solar energy are now well understood and provide paradigms for artificial device design, additional low-energy states have been discovered in many systems with obscure origins and significance. However, as low-energy states are naively expected to be critical to function, these observations pose important challenges. A review of known properties of low energy states covering eight photochemical systems, and options for their interpretation, are presented. A concerted experimental and theoretical research strategy is suggested and outlined, this being aimed at providing a fully comprehensive understanding.
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