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Showing 1–11 of 11 results
Advanced filters: Author: Oliver S. Wenger Clear advanced filters

  • Classical photochemistry requires nanosecond excited-state lifetimes for diffusion-controlled reactions. Here the authors provide direct evidence for the elusive pre-association between radical ions and substrate molecules, enabling photoinduced electron transfer beyond the diffusion limit.

    • Björn Pfund
    • Deyanira Gejsnæs-Schaad
    • Oliver S. Wenger
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-7

  • The photoinduced accumulation of redox equivalents is a challenging requirement for artificial photosynthesis. Now a molecule has been developed in which the sequential absorption of photons results in the temporary accumulation of two holes and two electrons. The employed strategy opens up new possibilities for charge accumulation under low photon densities.

    • Mathis Brändlin
    • Björn Pfund
    • Oliver S. Wenger
    ResearchOpen Access
    Nature Chemistry
    Volume: 17, P: 1777-1784

  • The spontaneous recombination of photogenerated radicals surrounded by solvent molecules is an important energy-wasting elementary step in photoredox reactions. Now the decisive role that cage escape plays in these reactions is shown in three benchmark photocatalytic reactions, with quantitative correlations observed between photoredox product formation rates and cage escape quantum yields.

    • Cui Wang
    • Han Li
    • Oliver S. Wenger
    ResearchOpen Access
    Nature Chemistry
    Volume: 16, P: 1151-1159

  • Although noble metal coordination complexes typically show promising photophysical properties that enable applications in lighting, photocatalysis and solar energy conversion, first-row transition metal complexes rarely display properties as attractive. Now, two Cr(0) complexes are shown to afford excited-state lifetimes of ~50 ns and photophysical properties analogous to noble metal complexes, enabling efficient photoredox catalysis.

    • Narayan Sinha
    • Christina Wegeberg
    • Oliver S. Wenger
    ResearchOpen Access
    Nature Chemistry
    Volume: 15, P: 1730-1736

  • Manganese(i) is isoelectronic to iron(ii) but has typically been overlooked as a cheap Earth-abundant metal for the development of 3d6 metal-to-ligand charge transfer (MLCT) emitters and photosensitizers. Now, using chelating isocyanide ligands, air-stable manganese(i) complexes have been obtained that exhibit MLCT luminescence, as well as energy- and electron-transfer photoreactivity.

    • Patrick Herr
    • Christoph Kerzig
    • Oliver S. Wenger
    Research
    Nature Chemistry
    Volume: 13, P: 956-962

  • Analysis of synergistic muscle activations during locomotion and anatomical tracing of muscle synergy representations in the rodent spinal cord guide the development of a new spinal implant for neuromodulation therapy. In multiple rodent models of spinal cord injury, spatiotemporal stimulation that mimics naturalistic muscle activation patterns promotes improved functional recovery over previously described continuous stimulation protocols.

    • Nikolaus Wenger
    • Eduardo Martin Moraud
    • Grégoire Courtine
    Research
    Nature Medicine
    Volume: 22, P: 138-145

  • Luminescent metal complexes play key roles in lighting, solar energy conversion, and photocatalysis. Now, a robust zirconium complex with spectacular photophysical properties has been synthesized that could inspire the design of fundamentally new types of photoactive coordination compounds.

    • Oliver S. Wenger
    News & Views
    Nature Chemistry
    Volume: 12, P: 323-324