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Gold Nanoclusters Enhance Solar Power

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LONDON, Ontario, Canada, Sept. 30, 2014 — Gold nanoclusters could improve solar cell performance by more than 10 percent. A nanocluster made of just 144 gold atoms was used as a building block in the creation of a flexible network of plasmonic antennas that attracted extra light to solar panels. A team from Western University fused the cluster onto the transparent conducting layer of the solar panel. “Picture an extremely delicate fishnet of gold,” said professor Dr. Giovanni Fanchini. “The fishnet catches the light emitted by the sun and draws it into the active region of the cell.” Gold...Read full article

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    Published: September 2014
    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...
    AmericasenergyMaterialsnanoplasmonicsResearch & TechnologysolarWestern UniversityUWOgold nanoclustersGiovanni Fanchini

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