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Showing 1–11 of 11 results
Advanced filters: Author: Baodan Zhang Clear advanced filters

  • An optimized thermal evaporation process for tin-based perovskites enables precise strain engineering in the perovskite layer, resulting in perovskite light-emitting diodes with a half-lifetime of 1,250 h at a constant current density of 100 mA cm−2 and a peak external quantum efficiency of 6.6% for emission at 944 nm.

    • Weidong Tang
    • Gan Zhang
    • Dawei Di
    Research
    Nature Photonics
    P: 1-7

  • A process based on perovskite semiconductors is described to downscale micro-LEDs and nano-LEDs to below the conventional size limits, demonstrating average external quantum efficiencies maintained at around 20% across a wide range of pixel lengths.

    • Yaxiao Lian
    • Yaxin Wang
    • Dawei Di
    Research
    Nature
    Volume: 640, P: 62-68

  • Layered oxide cathode materials for sodium-ion batteries often experience irreversible phase transitions and structural instability. Now researchers have developed a P2-type oxide containing earth-abundant elements, featuring an intergrowth phase structure that enables long-cycle, high-energy sodium-ion batteries.

    • Xiaotong Wang
    • Qinghua Zhang
    • Shi-Gang Sun
    Research
    Nature Energy
    Volume: 9, P: 184-196

  • The charge carrier polarity and concentrations in an emissive perovskite semiconductor can be adjusted by incorporating a molecular dopant widely used for the passivation and structural control of optoelectronic perovskite materials.

    • Wentao Xiong
    • Weidong Tang
    • Dawei Di
    Research
    Nature
    Volume: 633, P: 344-350

  • Lead toxicity poses a big hurdle for the commercialization of perovskite optoelectronics, hence reducing the environmental impact holds the answer for its future application. To tackle this challenge, the authors utilize germanium to reduce the lead content, enabling highly luminescent eco-friendly compound for LEDs.

    • Dexin Yang
    • Guoling Zhang
    • Dawei Di
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-7