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CASTECH INC - New Building the Bridge of Light

PVs Enabled from Any Semiconductor

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BERKELEY, Calif., July 31, 2012 — A technology that improves the photovoltaic qualities of virtually any semiconductor could lead to the use of plentiful, relatively inexpensive materials that once were considered unsuitable for solar cells because their properties were so difficult to tailor by chemical means. Semiconductor materials used in solar devices display what is called the photovoltaic effect — they absorb photons of light and release electrons that can be channeled into an electrical current. Not all semiconductor materials exhibit this effect, and those that do — such as silicon, cadmium...Read full article

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    Published: July 2012
    Glossary
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    photovoltaic effect
    The generation of a difference in electric potential between two electrodes when radiation is incident on one of them.
    Alex ZettlAmericasBerkeley LabCaliforniaDepartment of Energyelectric field effectenergyFeng Wanggreen photonicsLawrence Berkeley National LaboratoryMaterialsp-n junctionphotonicsphotovoltaic effectphotovoltaicsPV CellsResearch & Technologyscreening-engineered field-effect photovoltaicsself-gatingsemiconductor materialsSFPVsolar cell conversionsolar cellssunlight conversionUniversity of California BerkeleyWilliam Regan

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