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Showing 1–4 of 4 results
Advanced filters: Author: Sigurd Höger Clear advanced filters

  • Photon antibunching typically measures the time-averaged photophysics of multichromophoric nanoparticles. Here, the authors report on time-resolving photon antibunching, allowing the true number of chromophores and exciton diffusion to be measured in DNA origami and conjugated polymer aggregates.

    • Gordon J. Hedley
    • Tim Schröder
    • Jan Vogelsang
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-10

  • Increasing the rigidity of a macromolecule while maintaining solubility is challenging. Here, the authors demonstrate covalent connection of two rigid-rod polymer chains with stiff connectors, leading to rigid ladder structures with well-defined conjugated rails.

    • Stefanie A. Meißner
    • Theresa Eder
    • Sigurd Höger
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8

  • Coherent coupling in soft matter, controlled by nanoscale morphology, plays an important role in charge generation and recombination in optoelectronics. Eder et al. show how to reversibly switch between H- and J-type coupling in conjugated polymer aggregates, leading to tunable photoluminescence.

    • Theresa Eder
    • Thomas Stangl
    • Jan Vogelsang
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-11

  • A deficiency in our molecular-level understanding of the electronic structure of conjugated polymers hinders their potential use in electronic applications. Shape-persistent highly ordered ring structures have been used to mimic conjugated polymers and have now been studied using single-molecule spectroscopy. The fundamentally non-deterministic nature of excitation energy localisation in π-conjugated macromolecules has been demonstrated.

    • A. Vikas Aggarwal
    • Alexander Thiessen
    • John M. Lupton
    Research
    Nature Chemistry
    Volume: 5, P: 964-970