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Donatas Zigmantas. Portrait.

Donatas Zigmantas

Professor

Donatas Zigmantas. Portrait.

2D electronic spectroscopy of the B800-B820 LH3 light-harvesting complex

Author

  • Donatas Zigmantas
  • Elizabeth L. Read
  • Tomáš A.C. Mančal
  • Tobias Brixner
  • Alastair T. Gardiner
  • Graham R. Fleming

Summary, in English

Two-dimensional optical spectroscopy is a potent tool for studying correlations among different vibrational and electronic transitions as well as other nonlinear properties of molecules and materials. This chapter utilizes recently developed phase-stabilized two-dimensional electronic Fourier-transform spectroscopy to probe electronic couplings among different chromophores and explore the distribution of instantaneous molecular environments in photosynthetic light-harvesting complexes. Light harvesting is a crucial part of photosynthesis, ensuring efficient adaptation of photosynthetic organisms to environments with low light conditions. The elegant ring-shaped light-harvesting antennae of purple bacteria are taken into consideration, which exhibit nearly unity efficiency of energy transfer to the photochemical reaction center. A study on the B800-B820 (LH3) complex, a spectroscopic variant of the B800-B850 LH2 peripheral light-harvesting complex from purple bacteria Rhodopseudomonas acidophila strain 7050, is also described in the chapter.

Publishing year

2006-12-01

Language

English

Pages

372-376

Publication/Series

Femtochemistry VII

Document type

Book chapter

Publisher

Elsevier

Status

Published

ISBN/ISSN/Other

  • ISBN: 9780444528216