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Showing 1–14 of 14 results
Advanced filters: Author: Christoph Schnedermann Clear advanced filters

  • A vibrational wavepacket generated in a spin singlet is shown to be transferable to spin triplets during singlet fission in organic semiconductors, providing a link between multi-molecular singlet fission and single-molecular internal conversion.

    • Andrew J. Musser
    • Matz Liebel
    • Philipp Kukura
    Research
    Nature Physics
    Volume: 11, P: 352-357

  • Chemical lithiation of two-dimensional transition metal dichalcogenides can be accelerated by up to six orders of magnitude using low-power illumination and a variety of phase transition agents.

    • Juhwan Lim
    • Jung-In Lee
    • Akshay Rao
    ResearchOpen Access
    Nature
    Volume: 633, P: 83-89

  • A molecular design strategy for reducing the vibration-induced non-radiative losses in emissive organic semiconductors is realized by decoupling excitons from high-frequency vibrations.

    • Pratyush Ghosh
    • Antonios M. Alvertis
    • Akshay Rao
    ResearchOpen Access
    Nature
    Volume: 629, P: 355-362

  • Electrochemical doping is assumed to be limited by ion motion due to large mass in mixed ionic-electronic conductors. Here, the authors reveal in a typical polythiophene that electrochemical doping speeds are limited by poor hole transport at low doping levels, leading to much slower switching speeds than expected.

    • Scott T. Keene
    • Joonatan E. M. Laulainen
    • George G. Malliaras
    ResearchOpen Access
    Nature Materials
    Volume: 22, P: 1121-1127

  • By using in vivo ultrafast TA spectroscopy, extraction of electrons directly from photoexcited PSI and PSII in cyanobacterial cells using exogenous electron mediators is demonstrated.

    • Tomi K. Baikie
    • Laura T. Wey
    • Jenny Z. Zhang
    Research
    Nature
    Volume: 615, P: 836-840

  • Here, the authors use quantitative ultrafast interferometric pump-probe microscopy to track photoexcitations with sub-10 nm spatial precision in three dimensions and 15 fs temporal resolution to study the spatiotemporal dynamics of singlet exciton fission in polycrystalline pentacene films.

    • Arjun Ashoka
    • Nicolas Gauriot
    • Akshay Rao
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-8

  • Understanding the ion intercalation and degradation mechanisms occurring during realistic battery operation is crucial to developing high-rate battery electrodes. Operando optical scattering microscopy is now used to study single-particle kinetic state-of-charge heterogeneities and cracking in high-rate Li-ion anode materials.

    • Alice J. Merryweather
    • Quentin Jacquet
    • Clare P. Grey
    Research
    Nature Materials
    Volume: 21, P: 1306-1313

  • The dynamics of ions within a working lithium-ion battery are examined using optical interferometric scattering microscopy, which allows ion transport to be related to phase transitions and microstructural features.

    • Alice J. Merryweather
    • Christoph Schnedermann
    • Akshay Rao
    Research
    Nature
    Volume: 594, P: 522-528

  • Exciton-polaritons are typically formed in organic systems when the molecules are confined between metallic or dielectric mirrors. Here, the authors reveal that interactions between excitons and moderately confined photonic states within the bare organic film can also lead to polariton formation, making them the primary photoexcitation.

    • Raj Pandya
    • Richard Y. S. Chen
    • Akshay Rao
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-11

  • Photoinduced changes in transmission, reflection and scattering prevent conventional pump-probe spectroscopy to unambiguously assign the origin of spectral signatures. Ashoka et al. have developed an optical modelling technique to extract quantitative and unambiguous changes in the dielectric function from standard pump-probe measurements.

    • Arjun Ashoka
    • Ronnie R. Tamming
    • Akshay Rao
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-8

  • Ultrafast photo-induced processes in complex systems require theoretical models and their experimental validation which are still lacking. Here the authors investigate singlet fission in a pentacene dimer by a combined experimental and theoretical approach providing a real-time visualisation of the process.

    • Christoph Schnedermann
    • Antonios M. Alvertis
    • Andrew J. Musser
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-11

  • Impulsive Raman spectroscopy reveals how atoms are pushed into action by light absorption. The surprising sensitivity of this behaviour to the polaronic character of 2D perovskites opens up new avenues for tailored light–matter interactions.

    • Christoph Schnedermann
    • Akshay Rao
    • Philipp Kukura
    News & Views
    Nature Materials
    Volume: 18, P: 307-308