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Showing 1–11 of 11 results
Advanced filters: Author: Joseph Strzalka Clear advanced filters

  • Researchers demonstrate coherent X-ray surface scattering imaging in a grazing-incidence geometry that takes advantage of enhanced X-ray surface scattering and interference near total external reflection. Surface patterns are reconstructed in three dimensions with nanometre resolution. The approach has applications in the analysis of buried nano-electronic and nanophotonic structures.

    • Tao Sun
    • Zhang Jiang
    • Jin Wang
    Research
    Nature Photonics
    Volume: 6, P: 586-590

  • Cooperative transitions have acquired much attention for low transition barriers, ultrafast kinetics, and structural reversibility but cooperative transitions are rare in molecular crystals and their origin is poorly understood. Here the authors show that reorientation of the alkyl side chains in a 2-dimensional quinoidal terthiophene triggers cooperative behavior, and establish alkyl chain engineering to control the polymorphic behavior.

    • Daniel William Davies
    • Bumjoon Seo
    • Ying Diao
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-14

  • Understanding mesoscale structure and dynamics in organic mixed ionic–electronic conductors is crucial. Mesoscale strain kinetics and structural hysteresis have been studied, and they uncover the coupling between charge carrier dynamics and mesoscale order in organic mixed ionic–electronic conductors.

    • Ruiheng Wu
    • Dilara Meli
    • Christopher J. Takacs
    Research
    Nature Materials
    Volume: 23, P: 648-655

  • Highly stretchable organic electrochemical transistors with stable charge transport under severe tensional strains are demonstrated using a honeycomb semiconducting polymer morphology, thereby enabling controllable signal output for diverse stretchable bioelectronic applications.

    • Jianhua Chen
    • Wei Huang
    • Antonio Facchetti
    Research
    Nature Materials
    Volume: 21, P: 564-571

  • New designs of donor polymers yield organic solar cells with fill factors approaching 80%, significantly higher than those of conventional cells. This enhanced performance is attributed to the close-packed and highly ordered structure of the polymers PTPD3T and PBT13T, which leads to efficient charge extraction and suppressed recombination.

    • Xugang Guo
    • Nanjia Zhou
    • Tobin J. Marks
    Research
    Nature Photonics
    Volume: 7, P: 825-833

  • Structures of surfaces and thin films can be investigated by performing X-ray diffraction under grazing incidence conditions. This Primer explores how grazing incidence X-ray diffraction is used to obtain crystallographic information, including in situ characterization, data collection, analysis and visualization, across a range of applications.

    • Oliver Werzer
    • Stefan Kowarik
    • Roland Resel
    Reviews
    Nature Reviews Methods Primers
    Volume: 4, P: 1-20