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Showing 1–7 of 7 results
Advanced filters: Author: Xinzheng Lan Clear advanced filters

  • Multispectral images suffer of pixel and position mismatch, due to the multiple sensor approach. Here, Li et al., demonstrate a flexible PbS colloidal quantum dots (CQDs) photodiode array with a broadband response range from X-ray to near infrared, enabling multi-spectral images by one single sensor.

    • Jing Liu
    • Peilin Liu
    • Jiang Tang
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-9

  • Metal halide perovskites are promising for solar energy harvesting, but currently prone to a large hysteresis and current instability. Here, Xu et al. show improvements in a hybrid material in which the fullerene is distributed at perovskite grain boundaries and thus passivates defects effectively.

    • Jixian Xu
    • Andrei Buin
    • Edward H. Sargent
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-8

  • Solution processed colloidal quantum dots are emerging photovoltaic materials with tuneable infrared bandgaps. Here, Yang et al. create a class of quantum dot bulk heterojunction solar cell via ligand design, enabling longer photocarrier diffusion lengths for greater photocurrent and performance.

    • Zhenyu Yang
    • James Z. Fan
    • Edward H. Sargent
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-9

  • Solar cells based on colloidal quantum dots require specific charge-extraction strategies that take full advantage of the size-tunable absorption properties of the nanoparticles. This Progress Article reviews the recent engineering efforts aimed at maximizing the power-conversion efficiency of these devices by developing novel architectures as well as by optimizing the morphological and electronic properties of both the electrodes and quantum dot layers.

    • Xinzheng Lan
    • Silvia Masala
    • Edward H. Sargent
    Reviews
    Nature Materials
    Volume: 13, P: 233-240