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Hollow Spheres Improve PV Panels

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STANFORD, Calif., Feb. 7, 2012 — Hollow spheres of photovoltaic nanocrystalline silicon exploit a peculiar phenomenon usually associated with sound to better trap light and could dramatically reduce materials usage and processing costs for manufacturing PV panels. “Nanocrystalline silicon is a great photovoltaic material,” said Shanhui Fan, a professor of electrical engineering and a member of the Stanford University team that conducted the research. “It has a high electrical efficiency and is durable in the harsh sun. Both have been challenges for other types of thin solar films.” One...Read full article

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    Published: February 2012
    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.
    AmericasCommunicationsenergygreen photonicshollow spheresindustrialJie YaoMicroscopynanonanocrystalline siliconnanoshellsOpticsphotovoltaicsPVResearch & TechnologySensors & DetectorsShanhui Fansolar cell efficiencysolar cellssolar fuelsStanford UniversityVijay Narasimhanwhispering galleriesYan YaoYi Cui

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