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Volume 19 Issue 5, May 2024

Flexible tandem light-emitting diodes

The cover image depicts a flexible 10 × 10 matrix of narrow-band and high-efficiency green tandem light-emitting diodes, combining nanocrystal perovskite light-emitting diode and organic light-emitting diode units.

See Lee et al.

Image: Tae-Woo Lee / Seoul National University. Cover design: Valentina Monaco


  • Advances in nanoscale engineering bring us closer to unlocking the full potential of perovskite light-emitting diodes for future lighting and display applications.



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News & Views

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Research Briefings

  • A robust initialization protocol has been demonstrated for a four-qubit nuclear spin register in silicon. The protocol, driven electrically through electric-dipole spin resonance, enables high-fidelity qubit control and hence a route to a register-based quantum computer that exploits the exceptional coherence properties of atom qubits in silicon.

    Research Briefing
  • An encodable DNA clutch with the ability to recognize microenvironmental molecular inputs intelligently complements the remote control of a 200-nm sized magnetic nanomachine. This nanomachine interacts with biological machinery in vitro when the encoded clutch selectively engages the engine with the rotor while external magnetic fields power the rotation.

    Research Briefing
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Review Articles

  • The Review discusses the state-of-the-art polymer nanocomposites from three key aspects: dipole activity, breakdown resistance and heat tolerance for capacitive energy storage applications.

    • Minzheng Yang
    • Mengfan Guo
    • Yang Shen
    Review Article
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  • An electric dipole spin resonance protocol making use of hyperfine interaction enacts high-fidelity initialization of a four-qubit nuclear spin register in silicon. This protocol allows for high-fidelity qubit control and a path towards a register-based quantum computer using the exceptional coherence properties of donors in silicon.

    • J. Reiner
    • Y. Chung
    • M. Y. Simmons
    Article Open Access
  • Ptychography is a coherent diffractive imaging method that enables atomic resolution in four-dimensional scanning transmission electron microscopy. Taking advantage of the nature of the investigated object, and therefore using atomic-orbital-like functions for the reconstruction of the object, the resolution can be further improved to an information limit of 14 pm.

    • Wenfeng Yang
    • Haozhi Sha
    • Rong Yu
  • A hybrid valley-centre tandem optical structure that combines perovskites and organic light-emitting diodes is demonstrated to obtain an efficient emitting device, showing the commercial potential of perovskite displays.

    • Hyeon-Dong Lee
    • Seung-Je Woo
    • Tae-Woo Lee
  • The nanospace confinement of a magnetic nanoparticle within a porous cage, coupled with an encodable DNA clutch interface, enables a remotely powered and controlled rotary nanomotor that is autoresponsive to its microenvironment.

    • Mouhong Lin
    • Jung-uk Lee
    • Jinwoo Cheon
  • Distinguishing proteoforms and post-translational modifications has remained a challenge. Here the authors explore single-molecule fluorescence resonance energy transfer to probe amino acids via DNA exchange and map the location of individual amino acids and post-translational modifications within single full-length protein molecules.

    • Mike Filius
    • Raman van Wee
    • Chirlmin Joo
  • Resolving interactions of negligibly charged or neutral small molecules with their binding partners in a label-free manner is challenging. Here the authors present a single-molecule carbon-nanotube biosensor device for capturing aptamer–neurotransmitter kinetics at high temporal resolution, uncovering four-state structural transitions.

    • Yoonhee Lee
    • Jakob Buchheim
    • Kenneth L. Shepard
  • In vivo positron emission particle tracking (PEPT) remains a challenge due to the lack of single-particle tracers. Here a sub-micrometre silica particle has been radiolabelled and isolated with high specific activity, allowing the dynamic tracing of a single particle in vivo using PEPT in mice.

    • Juan Pellico
    • Laurence Vass
    • Rafael T. M. de Rosales
    Article Open Access
  • Insects have been shown to have the ability to detect different chemical agents. Here, the authors present a nanomaterial-assisted neuromodulation strategy to augment the chemosensory abilities of insects via photothermal effect and on-demand neurotransmitter release from cargo-loaded nanovehicles to augment natural sensory function.

    • Prashant Gupta
    • Rishabh Chandak
    • Srikanth Singamaneni
  • A soft artificial retina with flexible phototransistors and three-dimensional liquid-metal microelectrodes is used to enhance proximity to retinal ganglion cells and minimize damage to soft tissue as well as improve charge injection for vision restoration in retinal degenerative in vivo models.

    • Won Gi Chung
    • Jiuk Jang
    • Jang-Ung Park
    Article Open Access
  • Proteins absorbed on nanomaterials often lose function due to denaturation. A poly(propylene sulfone) nanoparticle with site-specific dipole relaxation has been reported, which allows proteins to anchor to the nanoparticle without disrupting the hydrogen bonding or structure maintaining the protein functionality.

    • Fanfan Du
    • Clayton H. Rische
    • Evan A. Scott
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