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Showing 1–6 of 6 results
Advanced filters: Author: Safakath Karuthedath Clear advanced filters

  • A systematic analysis of a series of donor–acceptor organic blends shows that in solar cells based on low-bandgap non-fullerene acceptors an ionization energy offset of about 0.5 eV is required to ensure efficient charge separation.

    • Safakath Karuthedath
    • Julien Gorenflot
    • Frédéric Laquai
    Research
    Nature Materials
    Volume: 20, P: 378-384

  • Photocatalytic selective C(sp3)–H activation/cross-coupling reactions are appealing in organic synthesis. Here the authors describe the development of excited-state Pd-catalyzed dehydrogenative β-sulfonylation reactions using amines and aryl sulfonyl chlorides via intermolecular hydrogen atom transfer and C−S cross-coupling processes at room temperature.

    • Krishnamoorthy Muralirajan
    • Rajesh Kancherla
    • Magnus Rueping
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-12

  • The commercialisation of organic photovoltaic technology calls for research on material degradation mechanisms. Ramirez et al. show that triplet excitons produced by back charge transfer can significantly impact the photo-stability of fullerene-based devices even in the absence of water and oxygen.

    • Ivan Ramirez
    • Alberto Privitera
    • Moritz Riede
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-10

  • Although the combination of photo- and nickel catalysis has garnered intense interest in the preceding years, the mechanisms by which these transformations occur are to some degree unresolved. Here the authors provide computational and spectroscopic support for a Dexter energy-transfer mechanism in the context of a C(sp3)–H alkylation.

    • Rajesh Kancherla
    • Krishnamoorthy Muralirajan
    • Magnus Rueping
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-9

  • The short-range diffusion length of organic semiconductors severely limits exciton harvesting and charge generation in organic bulk heterojunction solar cells. Here, the authors report exciton diffusion length in the range of 20 to 47 nm for a wide range of non-fullerene acceptors molecules.

    • Yuliar Firdaus
    • Vincent M. Le Corre
    • Thomas D. Anthopoulos
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-10