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Showing 1–3 of 3 results
Advanced filters: Author: S. Coriani Clear advanced filters

  • Imaging the charge flow in photoexcited molecules would provide key information on photophysical and photochemical processes. Here the authors demonstrate tracking in real time after photoexcitation the change in charge density at a specific site of 2-thiouracil using time-resolved X-ray photoelectron spectroscopy.

    • D. Mayer
    • F. Lever
    • M. Gühr
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-9

  • Excitons are neutral quasiparticles, which are investigated as a potential component to improve the performance of photovoltaic cells however it is first necessary to develop methods to achieve multiexciton generation such as singlet fission. To this end the authors theoretically and experimentally demonstrate long-lived triplet exciton states via singlet fission enabled by the intermolecular coupling geometries in pentacene films.

    • R. Costantini
    • R. Faber
    • M. Dell’Angela
    ResearchOpen Access
    Communications Physics
    Volume: 2, P: 1-6

  • Many photo-induced processes such as photosynthesis occur in organic molecules, but their femtosecond excited-state dynamics are difficult to track. Here, the authors exploit the element and site selectivity of soft X-ray absorption to sensitively follow the ultrafast ππ*/nπ* electronic relaxation of hetero-organic molecules.

    • T. J. A. Wolf
    • R. H. Myhre
    • M. Gühr
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-7