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Dynamics of Energy Transfer in the LH2 Antenna Complex of the Purple Bacterium Rhodobacter sphaeroides

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Ultrafast Phenomena XI

Part of the book series: Springer Series in Chemical Physics ((CHEMICAL,volume 63))

Abstract

Transient absorption spectra and kinetics are used for detailed studies of energy transfer dynamics within the B850 ring of the LH2 antenna of the purple bacterium Rb. sphaeroides. The initial exciton relaxation was found to occur within the first 100 fs and no temperature dependence of this process was observed. Transient absorption spectra of the LH2 antenna complex at 6 K revealed a new spectral band around 880 nm as a result of energy distribution of the lowest exciton states of B850 rings at cryogenic temperatures.

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Authors and Affiliations

  1. Department of Chemical Physics, Lund University, P.O. Box 124, S-221 00, Lund, Sweden

    Tomáš Polívka, Jennifer L. Herek, Tõnu Pullerits, Mats Dahlbom & Villy Sundström

  2. Department of Molecular Biology and Biotechnology, University of Sheffield, Western Bank, Sheffield, S102UH, UK

    C. Neil Hunter

Authors
  1. Tomáš Polívka
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  2. Jennifer L. Herek
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  3. Tõnu Pullerits
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  4. Mats Dahlbom
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  5. C. Neil Hunter
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  6. Villy Sundström
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© 1998 Springer-Verlag Berlin Heidelberg

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Polívka, T., Herek, J.L., Pullerits, T., Dahlbom, M., Hunter, C.N., Sundström, V. (1998). Dynamics of Energy Transfer in the LH2 Antenna Complex of the Purple Bacterium Rhodobacter sphaeroides . In: Ultrafast Phenomena XI. Springer Series in Chemical Physics, vol 63. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-72289-9_202

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  • DOI: https://doi.org/10.1007/978-3-642-72289-9_202

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-72291-2

  • Online ISBN: 978-3-642-72289-9

  • eBook Packages: Springer Book Archive

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