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Dynamics of energy transfer in the LH2 antenna complex of the purple bacterium Rhodobacter sphaeroides

Polívka, Tomáš LU ; Herek, Jennifer L. LU ; Pullerits, Tõnu LU ; Dahlbom, Mats LU ; Hunter, C. Neil and Sundström, Villy LU (1998) In Springer Series in Chemical Physics 63. p.669-671
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. Trnsient abcorption 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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author
; ; ; ; and
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
host publication
Ultrafast Phenomena XI : Proceedings of the 11th International Conference, Garmisch-Partenkirchen, Germany, July 12–17, 1998 - Proceedings of the 11th International Conference, Garmisch-Partenkirchen, Germany, July 12–17, 1998
series title
Springer Series in Chemical Physics
editor
Elsaesser, Thomas ; Fujimoto, James G. ; Wiersma, Douwe A. and Zinth, Wolfgang
volume
63
edition
1
pages
3 pages
publisher
Springer
external identifiers
  • scopus:26844490618
ISSN
0172-6218
2364-9003
ISBN
978-3-642-72289-9
978-3-642-72291-2
DOI
10.1007/978-3-642-72289-9_202
language
English
LU publication?
yes
id
673ce4a5-f488-4b0f-a754-b3da55f2ffaa
date added to LUP
2025-09-09 12:12:35
date last changed
2025-10-14 10:54:31
@inproceedings{673ce4a5-f488-4b0f-a754-b3da55f2ffaa,
  abstract     = {{<p>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. Trnsient abcorption 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.</p>}},
  author       = {{Polívka, Tomáš and Herek, Jennifer L. and Pullerits, Tõnu and Dahlbom, Mats and Hunter, C. Neil and Sundström, Villy}},
  booktitle    = {{Ultrafast Phenomena XI : Proceedings of the 11th International Conference, Garmisch-Partenkirchen, Germany, July 12–17, 1998}},
  editor       = {{Elsaesser, Thomas and Fujimoto, James G. and Wiersma, Douwe A. and Zinth, Wolfgang}},
  isbn         = {{978-3-642-72289-9}},
  issn         = {{0172-6218}},
  language     = {{eng}},
  pages        = {{669--671}},
  publisher    = {{Springer}},
  series       = {{Springer Series in Chemical Physics}},
  title        = {{Dynamics of energy transfer in the LH2 antenna complex of the purple bacterium <i>Rhodobacter sphaeroides</i>}},
  url          = {{http://dx.doi.org/10.1007/978-3-642-72289-9_202}},
  doi          = {{10.1007/978-3-642-72289-9_202}},
  volume       = {{63}},
  year         = {{1998}},
}