Advanced search

Filter By:

Journal Check one or more journals to show results from those journals only.

Choose more journals

Article type Check one or more article types to show results from those article types only.
Subject Check one or more subjects to show results from those subjects only.
Date Choose a date option to show results from those dates only.

Custom date range

Clear all filters
Sort by:
Showing 1–11 of 11 results
Advanced filters: Author: Mengjin Zhu Clear advanced filters

  • The band gap of bulk semiconductors widens when excited by sub-bandgap wavelengths at low temperature—it’s the optical Stark effect. Here, the authors measure a room temperature optical Stark effect in lead halide perovskite films, due to their well-resolved excitonic transitions.

    • Ye Yang
    • Mengjin Yang
    • Matthew C. Beard
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-5

  • Surface recombination velocity can have a major impact on solar cell performance. Here, Yanget al. measure surface recombination dynamics in perovskite single crystals using broadband transient reflectance spectroscopy. Grain size is crucial to avoid the effects of surface recombination on carrier lifetime.

    • Ye Yang
    • Yong Yan
    • Matthew C. Beard
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-6

  • Organolead halide perovskite optoelectronic devices require high material quality. Here, Yang et al. show that methylammonium lead iodide films can undergo Ostwald ripening and become mixed-halide films using methylammonium bromide treatment. This processing increases both the device efficiency and stability.

    • Mengjin Yang
    • Taiyang Zhang
    • Yixin Zhao
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-9

  • Understanding surface carrier dynamics enables the design of optimal optoelectronic devices. Yang et al. find that surface recombination limits the total carrier lifetime in polycrystalline lead iodide perovskite films, meaning recombination at surfaces is more important than within and between grains.

    • Ye Yang
    • Mengjin Yang
    • Matthew C. Beard
    Research
    Nature Energy
    Volume: 2, P: 1-7

  • Probing the nanoscale photoconductivity of methylammonium lead triiodide is important for understanding the microstructures of the solar cell devices, but scanning probe methods suffer from sample degradation. Here Chu et al. solve the problem with noncontact microwave impedance microscopy.

    • Zhaodong Chu
    • Mengjin Yang
    • Keji Lai
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-8

  • Perovskite-based solar cells are often fabricated by methods that are not industrially scalable. Here, Yang et al. develop an ink formulation which gives similar devices by spin coating, the lab-scale standard, and blade coating, which is a more scalable, industry-relevant deposition method.

    • Mengjin Yang
    • Zhen Li
    • Kai Zhu
    Research
    Nature Energy
    Volume: 2, P: 1-9

  • Carrier separation and transport in solar cells need to be understood to improve efficiency. Here, Jianget al. study the junction structure in perovskite solar cells using Kelvin probe force microscopy, showing that solar cells have a p–n junction and carrier mobility is a limiting factor for device efficiency improvement.

    • Chun-Sheng Jiang
    • Mengjin Yang
    • Mowafak M. Al-Jassim
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-10

  • Perovskite solar cells (PSCs) have emerged as a revolutionary class of photovoltaic technology. Here, we review recent progress and challenges in scaling up PSCs towards commercialization. We discuss several areas, including device architectures, deposition methods, scalable deposition of perovskite and charge transport layers, device stability, module-level characterization and techno-economic analyses.

    • Zhen Li
    • Talysa R. Klein
    • Kai Zhu
    Reviews
    Nature Reviews Materials
    Volume: 3, P: 1-20

  • Yuhua Fu et al. develop a CNN model that integrates multi-omics information to prioritize candidate genes of objective traits. Their model performs well when applied to important livestock non-model animals like Sus scrofa. Finally, the authors present ISwine, an online comprehensive knowledgebase which includes all published swine omics data to facilitate the integration of heterogeneous data.

    • Yuhua Fu
    • Jingya Xu
    • Shuhong Zhao
    ResearchOpen Access
    Communications Biology
    Volume: 3, P: 1-11