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Graphene Photodetectors Boost Data Speed

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VIENNA, Austria, June 27, 2011 — Scientists at Vienna University of Technology (TU Vienna) have developed light detectors composed of graphene, demonstrating how remarkably fast the material converts light pulses into electrical signals, a capability that could considerably improve date flow between computers. When data is transmitted by light pulses (for instance in fiber optic cables), the pulses must be converted into electrical signals, which can be processed by a computer. In certain materials, light can cause electrons to leave their positions and travel through the material freely. Light makes the...Read full article

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    Published: June 2011
    Glossary
    photoelectric effect
    The emission of an electron from a surface that occurs when a photon impinges upon the surface and is absorbed. This effect is the means by which photons may be detected.
    Alexander UrichAustriaBasic Sciencecarbon structurecharge carrierselectrical signalelectronsEuropefiber optic cablesgraphene photodetectorsImagingKarl UnterrainerMaterials & Chemicalsphotoelectric effectResearch & TechnologysemiconductorsSensors & DetectorsThomas MüllerVienna University of Technology

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