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BAE Systems Sensor Solutions - Fairchild - Thermal Imaging Solutions 4/24 LB

QDs Are Entering the Mainstream

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Marie Freebody, Contributing Editor, [email protected]

Since their discovery in the 1980s, quantum dots have been quietly gaining momentum, making slow but steady headway in applications from displays and lighting to photovoltaics and health care. Unique and versatile, quantum dots (QDs) are no longer confined to the fringes of abstract research. They are finding their way into televisions, computer screens, lighting devices and even our bodies. With the promise of better light quality and unparalleled color performance, these minute particles also are popping up in some surprising places. Because of their controlled excitation...Read full article

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    Published: February 2013
    Glossary
    exciton
    An exciton is a quasiparticle that represents the bound state of an electron and a hole in a solid-state material, typically a semiconductor or an insulator. In simpler terms, an exciton is a paired electron and hole created when an electron absorbs a photon and is promoted to a higher energy state, leaving behind an empty state called a hole. Key characteristics of excitons include: Formation: Excitons are formed when an electron in the valence band of a material is excited to the...
    quantum dots
    A quantum dot is a nanoscale semiconductor structure, typically composed of materials like cadmium selenide or indium arsenide, that exhibits unique quantum mechanical properties. These properties arise from the confinement of electrons within the dot, leading to discrete energy levels, or "quantization" of energy, similar to the behavior of individual atoms or molecules. Quantum dots have a size on the order of a few nanometers and can emit or absorb photons (light) with precise wavelengths,...
    3MBell’s LabsBiophotonicsbiosensingBohr excitoncadmium-free QDscancercellular imagingCFQD™CommunicationsConsumerCornell UniversityCUNYdefenseDisplaysDr. Liangfeng SunEdelmanenergyEvident TechnologiesEvident Technologies CorporationexcitonFeatureshealthcareindustrialJeff YurekLCDLGLight SourceslightingMarie FreebodyMarkets and MarketsMaterials & ChemicalsmetamaterialsMichael EdelmanNanoconanocrystalsNanosysNature NanotechnologyOLEDsphotovoltaicsQD bioconjugatesQD displaysQD enhancement filmQD lasersQD LEDsQDEFqdsquantum dotsSamsungSamsung Electronics Co.Science magazineSensors & Detectorssize quantization effectsolar cellsThe City University of New YorkUniversity of AlbertaVinod MenonYurekLEDs

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