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Showing 1–7 of 7 results
Advanced filters: Author: Aidan Coffey Clear advanced filters

  • Two-dimensional metal halide perovskites exhibit diverse structures, but tuning their intralayer structure is challenging. Now, ammonium-terminated bidentate linkers have been used to develop 2D perovskites. These materials exhibit superior thermal resistance and improved photovoltaic performance compared with their Ruddlesden–Popper and Dion–Jacobson counterparts.

    • Chenjian Lin
    • Yuanhao Tang
    • Letian Dou
    Research
    Nature Chemistry
    Volume: 18, P: 275-282

  • Ionic liquid additives increase the power conversion efficiency of perovskite solar cells, but their effect on perovskite crystallization remains unclear. Xu et al. provide mechanistic insights and demonstrate improved operational stability under continous illumination and 90 °C thermal stress.

    • Wenzhan Xu
    • Wenhao Shao
    • Letian Dou
    Research
    Nature Energy
    Volume: 11, P: 209-218

  • A molecular aggregate formed in a two-dimensional organic–inorganic hybrid perovskite superlattice with a near-equilibrium distance is shown to have a near-unity photoluminescence quantum yield like that of single molecules, despite being in an aggregated state.

    • Kang Wang
    • Zih-Yu Lin
    • Letian Dou
    Research
    Nature
    Volume: 633, P: 567-574

  • Baek et al. report the formation of a discrete island–convex dome morphology in perovskite by solvent engineering to improve the outcoupling efficiency in NIR LEDs. 2D/3D heterostructures are constructed to further increase the efficiency to 31.4% with a peak radiance of 929 W sr−1 m−2 at 798 nm.

    • Sung-Doo Baek
    • Wenhao Shao
    • Letian Dou
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-10

  • Quasi-2D halide perovskites are attracting increasing attention for light-emitting devices. Here, the authors demonstrated efficient and stable quasi-2D perovskite LEDs enabled by suppressed phase disproportionation with newly designed organic ligands.

    • Kang Wang
    • Zih-Yu Lin
    • Letian Dou
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-11