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Showing 1–4 of 4 results
Advanced filters: Author: David Paleček Clear advanced filters

  • Two-dimensional spectroscopy revealed oscillatory signals in photosynthesis’ exciton dynamics, but crowded spectra impede the identification of what sustains the oscillations. Here the authors probe an J-aggregate, whose uncongested response shows that vibronic coupling is responsible for the sustained coherence.

    • James Lim
    • David Paleček
    • Jürgen Hauer
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-7

  • Designing efficient organic solar cells is limited by the energy required to overcome the mutual Coulomb attraction between electron and hole. Here, the authors reveal long-lived and disorder-free charge-transfer states enable efficient endothermic charge separation in non-fullerene systems with marginal energy offset.

    • Ture F. Hinrichsen
    • Christopher C. S. Chan
    • Philip C. Y. Chow
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-10

  • The implications of coherence signals for the transfer of energy within the Fenna–Matthews–Olson complex of photosynthetic green sulfur bacteria is a well debated topic. Now, polarization-controlled 2D spectroscopy — aided by vibronic exciton modelling — has enabled the characterization of all such coherences and determination of their physical origins; while electronic coherences dephase extremely rapidly, ground- and excited-state vibrational coherences dominate.

    • Erling Thyrhaug
    • Roel Tempelaar
    • Donatas Zigmantas
    Research
    Nature Chemistry
    Volume: 10, P: 780-786