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Showing 1–5 of 5 results
Advanced filters: Author: Yevhen Shynkarenko Clear advanced filters

  • Existing memristors cannot be reconfigured to meet the diverse switching requirements of various computing frameworks, limiting their universality. Here, the authors present a nanocrystal memristor that can be reconfigured on-demand to address these limitations

    • Rohit Abraham John
    • Yiğit Demirağ
    • Maksym V. Kovalenko
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-10

  • Designing effective covert security features is highly regarded to deter counterfeit of goods and currency in the global markets. Here, the authors present an electrohydrodynamically printed unicolour multifluorescent-lifetime security tag system based on perovskite to provide an alternative yet affordable solution.

    • Sergii Yakunin
    • Jana Chaaban
    • Maksym V. Kovalenko
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8

  • Solution-grown single crystals (SCs) of semiconducting methylammonium lead halide perovskites are promising materials for full-colour imaging. Here we show one-pixel photodetector prototype, constructed by stacking three layers of blue-, green- and red-sensitive MAPbCl3, MAPbBr3 and MAPb(Br/I)3 crystals, respectively. This layered structure concept has several advantages: imparting a two- to three-fold reduction in the number of required pixels, three times more efficient light utilization (and thus higher sensitivity) than common Bayer filters scheme, colour moiré suppression and no need for de-mosaic image processing. In addition, the direct band gap structure of perovskites results in optical absorption that is several orders of magnitude greater than silicon.

    • Sergii Yakunin
    • Yevhen Shynkarenko
    • Maksym V Kovalenko
    ResearchOpen Access
    NPG Asia Materials
    Volume: 9, P: e431