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Showing 1–3 of 3 results
Advanced filters: Author: Hanju Rhee Clear advanced filters

  • Circular dichroism spectroscopy can determine optical activity in a time-resolved manner, raising the exciting prospect of directly mapping structural changes of important chemical or biological processes involving chiral molecules. Rhee et al. have overcome experimental difficulties to show that optical activity in the infrared can be detected with femtosecond time-resolution by heterodyned spectral interferometry, setting the stage for making 'molecular motion pictures' of fundamental processes from a chiral perspective.

    • Hanju Rhee
    • Young-Gun June
    • Minhaeng Cho
    Research
    Nature
    Volume: 458, P: 310-313

  • One challenge with using circularly polarized light is an increased device complexity typically required to provide sufficient sensitivity to the polarization. Here, by integrating chiral plasmonic nanoparticles with a InGaZnO hot electron transistor, the authors present a polarization sensitive, optically active transistor.

    • Seok Daniel Namgung
    • Ryeong Myeong Kim
    • Ki Tae Nam
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-12

  • Electron dynamics in plasmonic nanoparticles are often studied with transient absorption spectroscopy. Here, Lietard et al. apply two-dimensional electronic spectroscopy, a method generally used for molecular spectroscopy, to study ultrafast nonlinear dynamics of electrons in excited gold nanorods.

    • Aude Lietard
    • Cho-Shuen Hsieh
    • Minhaeng Cho
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-10