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Showing 1–4 of 4 results
Advanced filters: Author: Bekir Turedi Clear advanced filters

  • We show perovskite X-ray detection at zero-voltage bias with operational device stability exceeding one year. Detection efficiency of 88% and noise-equivalent dose of 90 pGyair are obtained with 18 keV X-rays, allowing single-photon-sensitive, low-dose and energy-resolved X-ray imaging.

    • Kostiantyn Sakhatskyi
    • Bekir Turedi
    • Maksym V. Kovalenko
    ResearchOpen Access
    Nature Photonics
    Volume: 17, P: 510-517

  • Halide-based perovskite films are popular absorber materials used in solar cells, but undesired effects such as charge recombination and trapping continue to cap record conversion efficiencies. Here, the authors use femtosecond transient mid-infrared spectroscopy to elucidate electron recombination and trapping in the conduction bands of various compositions of perovskite thin films.

    • Ahmed M. El-Zohry
    • Bekir Turedi
    • Omar F. Mohammed
    ResearchOpen Access
    Communications Chemistry
    Volume: 5, P: 1-7

  • Lead halide perovskites are developed for a number of optoelectronic applications. Here, Cho et al. use a thermal gradient to achieve directional crystallization of methyl ammonium lead iodide films. The periodic microarrays exhibit anisotropic charge transport properties.

    • Namchul Cho
    • Feng Li
    • Osman M. Bakr
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-11