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Bridging Nanoparticles Creates Reversible Color Change for Displays

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HOUSTON, Dec. 7, 2015 — A method for building tiny "drawbridges" could allow engineers to use standard electrical switching techniques to construct color displays from pairs of nanoparticles that scatter different colors of light. The chemical bridges can be created and eliminated simply by applying or reversing a voltage. Researchers from Rice University's Smalley-Curl Institute said it is the first method demonstrated to produce dramatic, reversible color changes for devices built from light-activated nanoparticles. Stained-glass makers have long employed the light-scattering properties of tiny gold...Read full article

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    Published: December 2015
    Glossary
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    plasmonics
    Plasmonics is a field of science and technology that focuses on the interaction between electromagnetic radiation and free electrons in a metal or semiconductor at the nanoscale. Specifically, plasmonics deals with the collective oscillations of these free electrons, known as surface plasmons, which can confine and manipulate light on the nanometer scale. Surface plasmons are formed when incident photons couple with the conduction electrons at the interface between a metal or semiconductor...
    AmericasTexasRiceSmalley-Curl InstituteChristy LandesnanoDisplaysResearch & Technologyplasmonics

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