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Coherent nuclear motions in light‐harvesting pigments and dye molecules, probed by ultrafast spectroscopy

Chachisvilis, Mirianas LU ; Fidder, Henk ; Pullerits, Tõnu LU and Sundström, Villy LU (1995) In Journal of Raman Spectroscopy 26(7). p.513-522
Abstract

The temporal evolution of the transient absorption response of light‐harvesting antennae and dye molecules was studied. Using 40—90 fs pulses coherent nuclear motions were observed in intact membrane‐bound photosynthetic light‐harvesting pigment‐protein complexes, bacteriochlorophyll α monomer and dye molecules in solutions. Computer simulations based on the harmonic Franck—Condon approximation and the Langevin equation describe qualitatively well the wavelength dependence of the oscillations of the mode when exciting and probing in the blue side of the spectrum.

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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of Raman Spectroscopy
volume
26
issue
7
pages
10 pages
publisher
John Wiley & Sons Inc.
external identifiers
  • scopus:84986799872
ISSN
0377-0486
DOI
10.1002/jrs.1250260706
language
English
LU publication?
yes
id
9f299b8c-3536-4844-a333-5772b5aae0ba
date added to LUP
2025-10-28 17:04:01
date last changed
2025-11-19 10:24:58
@article{9f299b8c-3536-4844-a333-5772b5aae0ba,
  abstract     = {{<p>The temporal evolution of the transient absorption response of light‐harvesting antennae and dye molecules was studied. Using 40—90 fs pulses coherent nuclear motions were observed in intact membrane‐bound photosynthetic light‐harvesting pigment‐protein complexes, bacteriochlorophyll α monomer and dye molecules in solutions. Computer simulations based on the harmonic Franck—Condon approximation and the Langevin equation describe qualitatively well the wavelength dependence of the oscillations of the mode when exciting and probing in the blue side of the spectrum.</p>}},
  author       = {{Chachisvilis, Mirianas and Fidder, Henk and Pullerits, Tõnu and Sundström, Villy}},
  issn         = {{0377-0486}},
  language     = {{eng}},
  number       = {{7}},
  pages        = {{513--522}},
  publisher    = {{John Wiley & Sons Inc.}},
  series       = {{Journal of Raman Spectroscopy}},
  title        = {{Coherent nuclear motions in light‐harvesting pigments and dye molecules, probed by ultrafast spectroscopy}},
  url          = {{http://dx.doi.org/10.1002/jrs.1250260706}},
  doi          = {{10.1002/jrs.1250260706}},
  volume       = {{26}},
  year         = {{1995}},
}